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Diffstat (limited to '1001_linux-4.0.2.patch')
-rw-r--r--1001_linux-4.0.2.patch8587
1 files changed, 0 insertions, 8587 deletions
diff --git a/1001_linux-4.0.2.patch b/1001_linux-4.0.2.patch
deleted file mode 100644
index 38a75b2f..00000000
--- a/1001_linux-4.0.2.patch
+++ /dev/null
@@ -1,8587 +0,0 @@
-diff --git a/Documentation/networking/scaling.txt b/Documentation/networking/scaling.txt
-index 99ca40e..5c204df 100644
---- a/Documentation/networking/scaling.txt
-+++ b/Documentation/networking/scaling.txt
-@@ -282,7 +282,7 @@ following is true:
-
- - The current CPU's queue head counter >= the recorded tail counter
- value in rps_dev_flow[i]
--- The current CPU is unset (equal to RPS_NO_CPU)
-+- The current CPU is unset (>= nr_cpu_ids)
- - The current CPU is offline
-
- After this check, the packet is sent to the (possibly updated) current
-diff --git a/Documentation/virtual/kvm/devices/s390_flic.txt b/Documentation/virtual/kvm/devices/s390_flic.txt
-index 4ceef53..d1ad9d5 100644
---- a/Documentation/virtual/kvm/devices/s390_flic.txt
-+++ b/Documentation/virtual/kvm/devices/s390_flic.txt
-@@ -27,6 +27,9 @@ Groups:
- Copies all floating interrupts into a buffer provided by userspace.
- When the buffer is too small it returns -ENOMEM, which is the indication
- for userspace to try again with a bigger buffer.
-+ -ENOBUFS is returned when the allocation of a kernelspace buffer has
-+ failed.
-+ -EFAULT is returned when copying data to userspace failed.
- All interrupts remain pending, i.e. are not deleted from the list of
- currently pending interrupts.
- attr->addr contains the userspace address of the buffer into which all
-diff --git a/Makefile b/Makefile
-index f499cd2..0649a60 100644
---- a/Makefile
-+++ b/Makefile
-@@ -1,6 +1,6 @@
- VERSION = 4
- PATCHLEVEL = 0
--SUBLEVEL = 1
-+SUBLEVEL = 2
- EXTRAVERSION =
- NAME = Hurr durr I'ma sheep
-
-diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
-index fec1fca..6c4bc53 100644
---- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts
-+++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
-@@ -167,7 +167,13 @@
-
- macb1: ethernet@f802c000 {
- phy-mode = "rmii";
-+ #address-cells = <1>;
-+ #size-cells = <0>;
- status = "okay";
-+
-+ ethernet-phy@1 {
-+ reg = <0x1>;
-+ };
- };
-
- dbgu: serial@ffffee00 {
-diff --git a/arch/arm/boot/dts/dove.dtsi b/arch/arm/boot/dts/dove.dtsi
-index a5441d5..3cc8b83 100644
---- a/arch/arm/boot/dts/dove.dtsi
-+++ b/arch/arm/boot/dts/dove.dtsi
-@@ -154,7 +154,7 @@
-
- uart2: serial@12200 {
- compatible = "ns16550a";
-- reg = <0x12000 0x100>;
-+ reg = <0x12200 0x100>;
- reg-shift = <2>;
- interrupts = <9>;
- clocks = <&core_clk 0>;
-@@ -163,7 +163,7 @@
-
- uart3: serial@12300 {
- compatible = "ns16550a";
-- reg = <0x12100 0x100>;
-+ reg = <0x12300 0x100>;
- reg-shift = <2>;
- interrupts = <10>;
- clocks = <&core_clk 0>;
-diff --git a/arch/arm/boot/dts/exynos5250-spring.dts b/arch/arm/boot/dts/exynos5250-spring.dts
-index f027754..c41600e 100644
---- a/arch/arm/boot/dts/exynos5250-spring.dts
-+++ b/arch/arm/boot/dts/exynos5250-spring.dts
-@@ -429,7 +429,6 @@
- &mmc_0 {
- status = "okay";
- num-slots = <1>;
-- supports-highspeed;
- broken-cd;
- card-detect-delay = <200>;
- samsung,dw-mshc-ciu-div = <3>;
-@@ -437,11 +436,8 @@
- samsung,dw-mshc-ddr-timing = <1 2>;
- pinctrl-names = "default";
- pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
--
-- slot@0 {
-- reg = <0>;
-- bus-width = <8>;
-- };
-+ bus-width = <8>;
-+ cap-mmc-highspeed;
- };
-
- /*
-@@ -451,7 +447,6 @@
- &mmc_1 {
- status = "okay";
- num-slots = <1>;
-- supports-highspeed;
- broken-cd;
- card-detect-delay = <200>;
- samsung,dw-mshc-ciu-div = <3>;
-@@ -459,11 +454,8 @@
- samsung,dw-mshc-ddr-timing = <1 2>;
- pinctrl-names = "default";
- pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
--
-- slot@0 {
-- reg = <0>;
-- bus-width = <4>;
-- };
-+ bus-width = <4>;
-+ cap-sd-highspeed;
- };
-
- &pinctrl_0 {
-diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
-index afb9caf..674d03f 100644
---- a/arch/arm/include/asm/elf.h
-+++ b/arch/arm/include/asm/elf.h
-@@ -115,7 +115,7 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
- the loader. We need to make sure that it is out of the way of the program
- that it will "exec", and that there is sufficient room for the brk. */
-
--#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
-+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
-
- /* When the program starts, a1 contains a pointer to a function to be
- registered with atexit, as per the SVR4 ABI. A value of 0 means we
-diff --git a/arch/arm/include/uapi/asm/kvm.h b/arch/arm/include/uapi/asm/kvm.h
-index 0db25bc..3a42ac6 100644
---- a/arch/arm/include/uapi/asm/kvm.h
-+++ b/arch/arm/include/uapi/asm/kvm.h
-@@ -195,8 +195,14 @@ struct kvm_arch_memory_slot {
- #define KVM_ARM_IRQ_CPU_IRQ 0
- #define KVM_ARM_IRQ_CPU_FIQ 1
-
--/* Highest supported SPI, from VGIC_NR_IRQS */
-+/*
-+ * This used to hold the highest supported SPI, but it is now obsolete
-+ * and only here to provide source code level compatibility with older
-+ * userland. The highest SPI number can be set via KVM_DEV_ARM_VGIC_GRP_NR_IRQS.
-+ */
-+#ifndef __KERNEL__
- #define KVM_ARM_IRQ_GIC_MAX 127
-+#endif
-
- /* PSCI interface */
- #define KVM_PSCI_FN_BASE 0x95c1ba5e
-diff --git a/arch/arm/kernel/hibernate.c b/arch/arm/kernel/hibernate.c
-index c4cc50e..cfb354f 100644
---- a/arch/arm/kernel/hibernate.c
-+++ b/arch/arm/kernel/hibernate.c
-@@ -22,6 +22,7 @@
- #include <asm/suspend.h>
- #include <asm/memory.h>
- #include <asm/sections.h>
-+#include "reboot.h"
-
- int pfn_is_nosave(unsigned long pfn)
- {
-@@ -61,7 +62,7 @@ static int notrace arch_save_image(unsigned long unused)
-
- ret = swsusp_save();
- if (ret == 0)
-- soft_restart(virt_to_phys(cpu_resume));
-+ _soft_restart(virt_to_phys(cpu_resume), false);
- return ret;
- }
-
-@@ -86,7 +87,7 @@ static void notrace arch_restore_image(void *unused)
- for (pbe = restore_pblist; pbe; pbe = pbe->next)
- copy_page(pbe->orig_address, pbe->address);
-
-- soft_restart(virt_to_phys(cpu_resume));
-+ _soft_restart(virt_to_phys(cpu_resume), false);
- }
-
- static u64 resume_stack[PAGE_SIZE/2/sizeof(u64)] __nosavedata;
-diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
-index fdfa3a7..2bf1a16 100644
---- a/arch/arm/kernel/process.c
-+++ b/arch/arm/kernel/process.c
-@@ -41,6 +41,7 @@
- #include <asm/system_misc.h>
- #include <asm/mach/time.h>
- #include <asm/tls.h>
-+#include "reboot.h"
-
- #ifdef CONFIG_CC_STACKPROTECTOR
- #include <linux/stackprotector.h>
-@@ -95,7 +96,7 @@ static void __soft_restart(void *addr)
- BUG();
- }
-
--void soft_restart(unsigned long addr)
-+void _soft_restart(unsigned long addr, bool disable_l2)
- {
- u64 *stack = soft_restart_stack + ARRAY_SIZE(soft_restart_stack);
-
-@@ -104,7 +105,7 @@ void soft_restart(unsigned long addr)
- local_fiq_disable();
-
- /* Disable the L2 if we're the last man standing. */
-- if (num_online_cpus() == 1)
-+ if (disable_l2)
- outer_disable();
-
- /* Change to the new stack and continue with the reset. */
-@@ -114,6 +115,11 @@ void soft_restart(unsigned long addr)
- BUG();
- }
-
-+void soft_restart(unsigned long addr)
-+{
-+ _soft_restart(addr, num_online_cpus() == 1);
-+}
-+
- /*
- * Function pointers to optional machine specific functions
- */
-diff --git a/arch/arm/kernel/reboot.h b/arch/arm/kernel/reboot.h
-new file mode 100644
-index 0000000..c87f058
---- /dev/null
-+++ b/arch/arm/kernel/reboot.h
-@@ -0,0 +1,6 @@
-+#ifndef REBOOT_H
-+#define REBOOT_H
-+
-+extern void _soft_restart(unsigned long addr, bool disable_l2);
-+
-+#endif
-diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
-index 5560f74..b652af5 100644
---- a/arch/arm/kvm/arm.c
-+++ b/arch/arm/kvm/arm.c
-@@ -651,8 +651,7 @@ int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level,
- if (!irqchip_in_kernel(kvm))
- return -ENXIO;
-
-- if (irq_num < VGIC_NR_PRIVATE_IRQS ||
-- irq_num > KVM_ARM_IRQ_GIC_MAX)
-+ if (irq_num < VGIC_NR_PRIVATE_IRQS)
- return -EINVAL;
-
- return kvm_vgic_inject_irq(kvm, 0, irq_num, level);
-diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
-index 8b9f5e2..4f4e222 100644
---- a/arch/arm/mach-mvebu/pmsu.c
-+++ b/arch/arm/mach-mvebu/pmsu.c
-@@ -415,6 +415,9 @@ static __init int armada_38x_cpuidle_init(void)
- void __iomem *mpsoc_base;
- u32 reg;
-
-+ pr_warn("CPU idle is currently broken on Armada 38x: disabling");
-+ return 0;
-+
- np = of_find_compatible_node(NULL, NULL,
- "marvell,armada-380-coherency-fabric");
- if (!np)
-@@ -476,6 +479,16 @@ static int __init mvebu_v7_cpu_pm_init(void)
- return 0;
- of_node_put(np);
-
-+ /*
-+ * Currently the CPU idle support for Armada 38x is broken, as
-+ * the CPU hotplug uses some of the CPU idle functions it is
-+ * broken too, so let's disable it
-+ */
-+ if (of_machine_is_compatible("marvell,armada380")) {
-+ cpu_hotplug_disable();
-+ pr_warn("CPU hotplug support is currently broken on Armada 38x: disabling");
-+ }
-+
- if (of_machine_is_compatible("marvell,armadaxp"))
- ret = armada_xp_cpuidle_init();
- else if (of_machine_is_compatible("marvell,armada370"))
-@@ -489,7 +502,8 @@ static int __init mvebu_v7_cpu_pm_init(void)
- return ret;
-
- mvebu_v7_pmsu_enable_l2_powerdown_onidle();
-- platform_device_register(&mvebu_v7_cpuidle_device);
-+ if (mvebu_v7_cpuidle_device.name)
-+ platform_device_register(&mvebu_v7_cpuidle_device);
- cpu_pm_register_notifier(&mvebu_v7_cpu_pm_notifier);
-
- return 0;
-diff --git a/arch/arm/mach-s3c64xx/crag6410.h b/arch/arm/mach-s3c64xx/crag6410.h
-index 7bc6668..dcbe17f 100644
---- a/arch/arm/mach-s3c64xx/crag6410.h
-+++ b/arch/arm/mach-s3c64xx/crag6410.h
-@@ -14,6 +14,7 @@
- #include <mach/gpio-samsung.h>
-
- #define GLENFARCLAS_PMIC_IRQ_BASE IRQ_BOARD_START
-+#define BANFF_PMIC_IRQ_BASE (IRQ_BOARD_START + 64)
-
- #define PCA935X_GPIO_BASE GPIO_BOARD_START
- #define CODEC_GPIO_BASE (GPIO_BOARD_START + 8)
-diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
-index 10b913b..65c426b 100644
---- a/arch/arm/mach-s3c64xx/mach-crag6410.c
-+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
-@@ -554,6 +554,7 @@ static struct wm831x_touch_pdata touch_pdata = {
-
- static struct wm831x_pdata crag_pmic_pdata = {
- .wm831x_num = 1,
-+ .irq_base = BANFF_PMIC_IRQ_BASE,
- .gpio_base = BANFF_PMIC_GPIO_BASE,
- .soft_shutdown = true,
-
-diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
-index 1b8e973..a6186c2 100644
---- a/arch/arm64/Kconfig
-+++ b/arch/arm64/Kconfig
-@@ -361,6 +361,27 @@ config ARM64_ERRATUM_832075
-
- If unsure, say Y.
-
-+config ARM64_ERRATUM_845719
-+ bool "Cortex-A53: 845719: a load might read incorrect data"
-+ depends on COMPAT
-+ default y
-+ help
-+ This option adds an alternative code sequence to work around ARM
-+ erratum 845719 on Cortex-A53 parts up to r0p4.
-+
-+ When running a compat (AArch32) userspace on an affected Cortex-A53
-+ part, a load at EL0 from a virtual address that matches the bottom 32
-+ bits of the virtual address used by a recent load at (AArch64) EL1
-+ might return incorrect data.
-+
-+ The workaround is to write the contextidr_el1 register on exception
-+ return to a 32-bit task.
-+ Please note that this does not necessarily enable the workaround,
-+ as it depends on the alternative framework, which will only patch
-+ the kernel if an affected CPU is detected.
-+
-+ If unsure, say Y.
-+
- endmenu
-
-
-@@ -470,6 +491,10 @@ config HOTPLUG_CPU
-
- source kernel/Kconfig.preempt
-
-+config UP_LATE_INIT
-+ def_bool y
-+ depends on !SMP
-+
- config HZ
- int
- default 100
-diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
-index 69ceedc..4d2a925 100644
---- a/arch/arm64/Makefile
-+++ b/arch/arm64/Makefile
-@@ -48,7 +48,7 @@ core-$(CONFIG_KVM) += arch/arm64/kvm/
- core-$(CONFIG_XEN) += arch/arm64/xen/
- core-$(CONFIG_CRYPTO) += arch/arm64/crypto/
- libs-y := arch/arm64/lib/ $(libs-y)
--libs-$(CONFIG_EFI_STUB) += drivers/firmware/efi/libstub/
-+core-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
-
- # Default target when executing plain make
- KBUILD_IMAGE := Image.gz
-diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
-index b6c16d5..3f0c53c 100644
---- a/arch/arm64/include/asm/cpufeature.h
-+++ b/arch/arm64/include/asm/cpufeature.h
-@@ -23,8 +23,9 @@
-
- #define ARM64_WORKAROUND_CLEAN_CACHE 0
- #define ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE 1
-+#define ARM64_WORKAROUND_845719 2
-
--#define ARM64_NCAPS 2
-+#define ARM64_NCAPS 3
-
- #ifndef __ASSEMBLY__
-
-diff --git a/arch/arm64/include/asm/smp_plat.h b/arch/arm64/include/asm/smp_plat.h
-index 59e2823..8dcd61e 100644
---- a/arch/arm64/include/asm/smp_plat.h
-+++ b/arch/arm64/include/asm/smp_plat.h
-@@ -40,4 +40,6 @@ static inline u32 mpidr_hash_size(void)
- extern u64 __cpu_logical_map[NR_CPUS];
- #define cpu_logical_map(cpu) __cpu_logical_map[cpu]
-
-+void __init do_post_cpus_up_work(void);
-+
- #endif /* __ASM_SMP_PLAT_H */
-diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h
-index 3ef77a4..bc49a18 100644
---- a/arch/arm64/include/uapi/asm/kvm.h
-+++ b/arch/arm64/include/uapi/asm/kvm.h
-@@ -188,8 +188,14 @@ struct kvm_arch_memory_slot {
- #define KVM_ARM_IRQ_CPU_IRQ 0
- #define KVM_ARM_IRQ_CPU_FIQ 1
-
--/* Highest supported SPI, from VGIC_NR_IRQS */
-+/*
-+ * This used to hold the highest supported SPI, but it is now obsolete
-+ * and only here to provide source code level compatibility with older
-+ * userland. The highest SPI number can be set via KVM_DEV_ARM_VGIC_GRP_NR_IRQS.
-+ */
-+#ifndef __KERNEL__
- #define KVM_ARM_IRQ_GIC_MAX 127
-+#endif
-
- /* PSCI interface */
- #define KVM_PSCI_FN_BASE 0x95c1ba5e
-diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
-index fa62637..ad6d523 100644
---- a/arch/arm64/kernel/cpu_errata.c
-+++ b/arch/arm64/kernel/cpu_errata.c
-@@ -88,7 +88,16 @@ struct arm64_cpu_capabilities arm64_errata[] = {
- /* Cortex-A57 r0p0 - r1p2 */
- .desc = "ARM erratum 832075",
- .capability = ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE,
-- MIDR_RANGE(MIDR_CORTEX_A57, 0x00, 0x12),
-+ MIDR_RANGE(MIDR_CORTEX_A57, 0x00,
-+ (1 << MIDR_VARIANT_SHIFT) | 2),
-+ },
-+#endif
-+#ifdef CONFIG_ARM64_ERRATUM_845719
-+ {
-+ /* Cortex-A53 r0p[01234] */
-+ .desc = "ARM erratum 845719",
-+ .capability = ARM64_WORKAROUND_845719,
-+ MIDR_RANGE(MIDR_CORTEX_A53, 0x00, 0x04),
- },
- #endif
- {
-diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
-index cf21bb3..959fe87 100644
---- a/arch/arm64/kernel/entry.S
-+++ b/arch/arm64/kernel/entry.S
-@@ -21,8 +21,10 @@
- #include <linux/init.h>
- #include <linux/linkage.h>
-
-+#include <asm/alternative-asm.h>
- #include <asm/assembler.h>
- #include <asm/asm-offsets.h>
-+#include <asm/cpufeature.h>
- #include <asm/errno.h>
- #include <asm/esr.h>
- #include <asm/thread_info.h>
-@@ -120,6 +122,24 @@
- ct_user_enter
- ldr x23, [sp, #S_SP] // load return stack pointer
- msr sp_el0, x23
-+
-+#ifdef CONFIG_ARM64_ERRATUM_845719
-+ alternative_insn \
-+ "nop", \
-+ "tbz x22, #4, 1f", \
-+ ARM64_WORKAROUND_845719
-+#ifdef CONFIG_PID_IN_CONTEXTIDR
-+ alternative_insn \
-+ "nop; nop", \
-+ "mrs x29, contextidr_el1; msr contextidr_el1, x29; 1:", \
-+ ARM64_WORKAROUND_845719
-+#else
-+ alternative_insn \
-+ "nop", \
-+ "msr contextidr_el1, xzr; 1:", \
-+ ARM64_WORKAROUND_845719
-+#endif
-+#endif
- .endif
- msr elr_el1, x21 // set up the return data
- msr spsr_el1, x22
-diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
-index 07f9305..c237ffb 100644
---- a/arch/arm64/kernel/head.S
-+++ b/arch/arm64/kernel/head.S
-@@ -426,6 +426,7 @@ __create_page_tables:
- */
- mov x0, x25
- add x1, x26, #SWAPPER_DIR_SIZE
-+ dmb sy
- bl __inval_cache_range
-
- mov lr, x27
-diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
-index e8420f6..781f469 100644
---- a/arch/arm64/kernel/setup.c
-+++ b/arch/arm64/kernel/setup.c
-@@ -207,6 +207,18 @@ static void __init smp_build_mpidr_hash(void)
- }
- #endif
-
-+void __init do_post_cpus_up_work(void)
-+{
-+ apply_alternatives_all();
-+}
-+
-+#ifdef CONFIG_UP_LATE_INIT
-+void __init up_late_init(void)
-+{
-+ do_post_cpus_up_work();
-+}
-+#endif /* CONFIG_UP_LATE_INIT */
-+
- static void __init setup_processor(void)
- {
- struct cpu_info *cpu_info;
-diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
-index 328b8ce..4257369 100644
---- a/arch/arm64/kernel/smp.c
-+++ b/arch/arm64/kernel/smp.c
-@@ -309,7 +309,7 @@ void cpu_die(void)
- void __init smp_cpus_done(unsigned int max_cpus)
- {
- pr_info("SMP: Total of %d processors activated.\n", num_online_cpus());
-- apply_alternatives_all();
-+ do_post_cpus_up_work();
- }
-
- void __init smp_prepare_boot_cpu(void)
-diff --git a/arch/c6x/kernel/time.c b/arch/c6x/kernel/time.c
-index 356ee84..04845aa 100644
---- a/arch/c6x/kernel/time.c
-+++ b/arch/c6x/kernel/time.c
-@@ -49,7 +49,7 @@ u64 sched_clock(void)
- return (tsc * sched_clock_multiplier) >> SCHED_CLOCK_SHIFT;
- }
-
--void time_init(void)
-+void __init time_init(void)
- {
- u64 tmp = (u64)NSEC_PER_SEC << SCHED_CLOCK_SHIFT;
-
-diff --git a/arch/mips/include/asm/asm-eva.h b/arch/mips/include/asm/asm-eva.h
-index e41c56e..1e38f0e 100644
---- a/arch/mips/include/asm/asm-eva.h
-+++ b/arch/mips/include/asm/asm-eva.h
-@@ -11,6 +11,36 @@
- #define __ASM_ASM_EVA_H
-
- #ifndef __ASSEMBLY__
-+
-+/* Kernel variants */
-+
-+#define kernel_cache(op, base) "cache " op ", " base "\n"
-+#define kernel_ll(reg, addr) "ll " reg ", " addr "\n"
-+#define kernel_sc(reg, addr) "sc " reg ", " addr "\n"
-+#define kernel_lw(reg, addr) "lw " reg ", " addr "\n"
-+#define kernel_lwl(reg, addr) "lwl " reg ", " addr "\n"
-+#define kernel_lwr(reg, addr) "lwr " reg ", " addr "\n"
-+#define kernel_lh(reg, addr) "lh " reg ", " addr "\n"
-+#define kernel_lb(reg, addr) "lb " reg ", " addr "\n"
-+#define kernel_lbu(reg, addr) "lbu " reg ", " addr "\n"
-+#define kernel_sw(reg, addr) "sw " reg ", " addr "\n"
-+#define kernel_swl(reg, addr) "swl " reg ", " addr "\n"
-+#define kernel_swr(reg, addr) "swr " reg ", " addr "\n"
-+#define kernel_sh(reg, addr) "sh " reg ", " addr "\n"
-+#define kernel_sb(reg, addr) "sb " reg ", " addr "\n"
-+
-+#ifdef CONFIG_32BIT
-+/*
-+ * No 'sd' or 'ld' instructions in 32-bit but the code will
-+ * do the correct thing
-+ */
-+#define kernel_sd(reg, addr) user_sw(reg, addr)
-+#define kernel_ld(reg, addr) user_lw(reg, addr)
-+#else
-+#define kernel_sd(reg, addr) "sd " reg", " addr "\n"
-+#define kernel_ld(reg, addr) "ld " reg", " addr "\n"
-+#endif /* CONFIG_32BIT */
-+
- #ifdef CONFIG_EVA
-
- #define __BUILD_EVA_INSN(insn, reg, addr) \
-@@ -41,37 +71,60 @@
-
- #else
-
--#define user_cache(op, base) "cache " op ", " base "\n"
--#define user_ll(reg, addr) "ll " reg ", " addr "\n"
--#define user_sc(reg, addr) "sc " reg ", " addr "\n"
--#define user_lw(reg, addr) "lw " reg ", " addr "\n"
--#define user_lwl(reg, addr) "lwl " reg ", " addr "\n"
--#define user_lwr(reg, addr) "lwr " reg ", " addr "\n"
--#define user_lh(reg, addr) "lh " reg ", " addr "\n"
--#define user_lb(reg, addr) "lb " reg ", " addr "\n"
--#define user_lbu(reg, addr) "lbu " reg ", " addr "\n"
--#define user_sw(reg, addr) "sw " reg ", " addr "\n"
--#define user_swl(reg, addr) "swl " reg ", " addr "\n"
--#define user_swr(reg, addr) "swr " reg ", " addr "\n"
--#define user_sh(reg, addr) "sh " reg ", " addr "\n"
--#define user_sb(reg, addr) "sb " reg ", " addr "\n"
-+#define user_cache(op, base) kernel_cache(op, base)
-+#define user_ll(reg, addr) kernel_ll(reg, addr)
-+#define user_sc(reg, addr) kernel_sc(reg, addr)
-+#define user_lw(reg, addr) kernel_lw(reg, addr)
-+#define user_lwl(reg, addr) kernel_lwl(reg, addr)
-+#define user_lwr(reg, addr) kernel_lwr(reg, addr)
-+#define user_lh(reg, addr) kernel_lh(reg, addr)
-+#define user_lb(reg, addr) kernel_lb(reg, addr)
-+#define user_lbu(reg, addr) kernel_lbu(reg, addr)
-+#define user_sw(reg, addr) kernel_sw(reg, addr)
-+#define user_swl(reg, addr) kernel_swl(reg, addr)
-+#define user_swr(reg, addr) kernel_swr(reg, addr)
-+#define user_sh(reg, addr) kernel_sh(reg, addr)
-+#define user_sb(reg, addr) kernel_sb(reg, addr)
-
- #ifdef CONFIG_32BIT
--/*
-- * No 'sd' or 'ld' instructions in 32-bit but the code will
-- * do the correct thing
-- */
--#define user_sd(reg, addr) user_sw(reg, addr)
--#define user_ld(reg, addr) user_lw(reg, addr)
-+#define user_sd(reg, addr) kernel_sw(reg, addr)
-+#define user_ld(reg, addr) kernel_lw(reg, addr)
- #else
--#define user_sd(reg, addr) "sd " reg", " addr "\n"
--#define user_ld(reg, addr) "ld " reg", " addr "\n"
-+#define user_sd(reg, addr) kernel_sd(reg, addr)
-+#define user_ld(reg, addr) kernel_ld(reg, addr)
- #endif /* CONFIG_32BIT */
-
- #endif /* CONFIG_EVA */
-
- #else /* __ASSEMBLY__ */
-
-+#define kernel_cache(op, base) cache op, base
-+#define kernel_ll(reg, addr) ll reg, addr
-+#define kernel_sc(reg, addr) sc reg, addr
-+#define kernel_lw(reg, addr) lw reg, addr
-+#define kernel_lwl(reg, addr) lwl reg, addr
-+#define kernel_lwr(reg, addr) lwr reg, addr
-+#define kernel_lh(reg, addr) lh reg, addr
-+#define kernel_lb(reg, addr) lb reg, addr
-+#define kernel_lbu(reg, addr) lbu reg, addr
-+#define kernel_sw(reg, addr) sw reg, addr
-+#define kernel_swl(reg, addr) swl reg, addr
-+#define kernel_swr(reg, addr) swr reg, addr
-+#define kernel_sh(reg, addr) sh reg, addr
-+#define kernel_sb(reg, addr) sb reg, addr
-+
-+#ifdef CONFIG_32BIT
-+/*
-+ * No 'sd' or 'ld' instructions in 32-bit but the code will
-+ * do the correct thing
-+ */
-+#define kernel_sd(reg, addr) user_sw(reg, addr)
-+#define kernel_ld(reg, addr) user_lw(reg, addr)
-+#else
-+#define kernel_sd(reg, addr) sd reg, addr
-+#define kernel_ld(reg, addr) ld reg, addr
-+#endif /* CONFIG_32BIT */
-+
- #ifdef CONFIG_EVA
-
- #define __BUILD_EVA_INSN(insn, reg, addr) \
-@@ -101,31 +154,27 @@
- #define user_sd(reg, addr) user_sw(reg, addr)
- #else
-
--#define user_cache(op, base) cache op, base
--#define user_ll(reg, addr) ll reg, addr
--#define user_sc(reg, addr) sc reg, addr
--#define user_lw(reg, addr) lw reg, addr
--#define user_lwl(reg, addr) lwl reg, addr
--#define user_lwr(reg, addr) lwr reg, addr
--#define user_lh(reg, addr) lh reg, addr
--#define user_lb(reg, addr) lb reg, addr
--#define user_lbu(reg, addr) lbu reg, addr
--#define user_sw(reg, addr) sw reg, addr
--#define user_swl(reg, addr) swl reg, addr
--#define user_swr(reg, addr) swr reg, addr
--#define user_sh(reg, addr) sh reg, addr
--#define user_sb(reg, addr) sb reg, addr
-+#define user_cache(op, base) kernel_cache(op, base)
-+#define user_ll(reg, addr) kernel_ll(reg, addr)
-+#define user_sc(reg, addr) kernel_sc(reg, addr)
-+#define user_lw(reg, addr) kernel_lw(reg, addr)
-+#define user_lwl(reg, addr) kernel_lwl(reg, addr)
-+#define user_lwr(reg, addr) kernel_lwr(reg, addr)
-+#define user_lh(reg, addr) kernel_lh(reg, addr)
-+#define user_lb(reg, addr) kernel_lb(reg, addr)
-+#define user_lbu(reg, addr) kernel_lbu(reg, addr)
-+#define user_sw(reg, addr) kernel_sw(reg, addr)
-+#define user_swl(reg, addr) kernel_swl(reg, addr)
-+#define user_swr(reg, addr) kernel_swr(reg, addr)
-+#define user_sh(reg, addr) kernel_sh(reg, addr)
-+#define user_sb(reg, addr) kernel_sb(reg, addr)
-
- #ifdef CONFIG_32BIT
--/*
-- * No 'sd' or 'ld' instructions in 32-bit but the code will
-- * do the correct thing
-- */
--#define user_sd(reg, addr) user_sw(reg, addr)
--#define user_ld(reg, addr) user_lw(reg, addr)
-+#define user_sd(reg, addr) kernel_sw(reg, addr)
-+#define user_ld(reg, addr) kernel_lw(reg, addr)
- #else
--#define user_sd(reg, addr) sd reg, addr
--#define user_ld(reg, addr) ld reg, addr
-+#define user_sd(reg, addr) kernel_sd(reg, addr)
-+#define user_ld(reg, addr) kernel_sd(reg, addr)
- #endif /* CONFIG_32BIT */
-
- #endif /* CONFIG_EVA */
-diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h
-index dd083e9..9f26b07 100644
---- a/arch/mips/include/asm/fpu.h
-+++ b/arch/mips/include/asm/fpu.h
-@@ -170,6 +170,7 @@ static inline void lose_fpu(int save)
- }
- disable_msa();
- clear_thread_flag(TIF_USEDMSA);
-+ __disable_fpu();
- } else if (is_fpu_owner()) {
- if (save)
- _save_fp(current);
-diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
-index ac4fc71..f722b05 100644
---- a/arch/mips/include/asm/kvm_host.h
-+++ b/arch/mips/include/asm/kvm_host.h
-@@ -322,6 +322,7 @@ enum mips_mmu_types {
- #define T_TRAP 13 /* Trap instruction */
- #define T_VCEI 14 /* Virtual coherency exception */
- #define T_FPE 15 /* Floating point exception */
-+#define T_MSADIS 21 /* MSA disabled exception */
- #define T_WATCH 23 /* Watch address reference */
- #define T_VCED 31 /* Virtual coherency data */
-
-@@ -578,6 +579,7 @@ struct kvm_mips_callbacks {
- int (*handle_syscall)(struct kvm_vcpu *vcpu);
- int (*handle_res_inst)(struct kvm_vcpu *vcpu);
- int (*handle_break)(struct kvm_vcpu *vcpu);
-+ int (*handle_msa_disabled)(struct kvm_vcpu *vcpu);
- int (*vm_init)(struct kvm *kvm);
- int (*vcpu_init)(struct kvm_vcpu *vcpu);
- int (*vcpu_setup)(struct kvm_vcpu *vcpu);
-diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
-index bbb6969..7659da2 100644
---- a/arch/mips/kernel/unaligned.c
-+++ b/arch/mips/kernel/unaligned.c
-@@ -109,10 +109,11 @@ static u32 unaligned_action;
- extern void show_registers(struct pt_regs *regs);
-
- #ifdef __BIG_ENDIAN
--#define LoadHW(addr, value, res) \
-+#define _LoadHW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ (".set\tnoat\n" \
-- "1:\t"user_lb("%0", "0(%2)")"\n" \
-- "2:\t"user_lbu("$1", "1(%2)")"\n\t" \
-+ "1:\t"type##_lb("%0", "0(%2)")"\n" \
-+ "2:\t"type##_lbu("$1", "1(%2)")"\n\t"\
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
-@@ -127,13 +128,15 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-
- #ifndef CONFIG_CPU_MIPSR6
--#define LoadW(addr, value, res) \
-+#define _LoadW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
-- "1:\t"user_lwl("%0", "(%2)")"\n" \
-- "2:\t"user_lwr("%0", "3(%2)")"\n\t" \
-+ "1:\t"type##_lwl("%0", "(%2)")"\n" \
-+ "2:\t"type##_lwr("%0", "3(%2)")"\n\t"\
- "li\t%1, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
-@@ -146,21 +149,24 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-+
- #else
- /* MIPSR6 has no lwl instruction */
--#define LoadW(addr, value, res) \
-+#define _LoadW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n" \
- ".set\tnoat\n\t" \
-- "1:"user_lb("%0", "0(%2)")"\n\t" \
-- "2:"user_lbu("$1", "1(%2)")"\n\t" \
-+ "1:"type##_lb("%0", "0(%2)")"\n\t" \
-+ "2:"type##_lbu("$1", "1(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
-- "3:"user_lbu("$1", "2(%2)")"\n\t" \
-+ "3:"type##_lbu("$1", "2(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
-- "4:"user_lbu("$1", "3(%2)")"\n\t" \
-+ "4:"type##_lbu("$1", "3(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
-@@ -178,14 +184,17 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t4b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-+
- #endif /* CONFIG_CPU_MIPSR6 */
-
--#define LoadHWU(addr, value, res) \
-+#define _LoadHWU(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tnoat\n" \
-- "1:\t"user_lbu("%0", "0(%2)")"\n" \
-- "2:\t"user_lbu("$1", "1(%2)")"\n\t" \
-+ "1:\t"type##_lbu("%0", "0(%2)")"\n" \
-+ "2:\t"type##_lbu("$1", "1(%2)")"\n\t"\
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
-@@ -201,13 +210,15 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-
- #ifndef CONFIG_CPU_MIPSR6
--#define LoadWU(addr, value, res) \
-+#define _LoadWU(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
-- "1:\t"user_lwl("%0", "(%2)")"\n" \
-- "2:\t"user_lwr("%0", "3(%2)")"\n\t" \
-+ "1:\t"type##_lwl("%0", "(%2)")"\n" \
-+ "2:\t"type##_lwr("%0", "3(%2)")"\n\t"\
- "dsll\t%0, %0, 32\n\t" \
- "dsrl\t%0, %0, 32\n\t" \
- "li\t%1, 0\n" \
-@@ -222,9 +233,11 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-
--#define LoadDW(addr, value, res) \
-+#define _LoadDW(addr, value, res) \
-+do { \
- __asm__ __volatile__ ( \
- "1:\tldl\t%0, (%2)\n" \
- "2:\tldr\t%0, 7(%2)\n\t" \
-@@ -240,21 +253,24 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-+
- #else
- /* MIPSR6 has not lwl and ldl instructions */
--#define LoadWU(addr, value, res) \
-+#define _LoadWU(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
-- "1:"user_lbu("%0", "0(%2)")"\n\t" \
-- "2:"user_lbu("$1", "1(%2)")"\n\t" \
-+ "1:"type##_lbu("%0", "0(%2)")"\n\t" \
-+ "2:"type##_lbu("$1", "1(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
-- "3:"user_lbu("$1", "2(%2)")"\n\t" \
-+ "3:"type##_lbu("$1", "2(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
-- "4:"user_lbu("$1", "3(%2)")"\n\t" \
-+ "4:"type##_lbu("$1", "3(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
-@@ -272,9 +288,11 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t4b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-
--#define LoadDW(addr, value, res) \
-+#define _LoadDW(addr, value, res) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
-@@ -319,16 +337,19 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t8b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-+
- #endif /* CONFIG_CPU_MIPSR6 */
-
-
--#define StoreHW(addr, value, res) \
-+#define _StoreHW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tnoat\n" \
-- "1:\t"user_sb("%1", "1(%2)")"\n" \
-+ "1:\t"type##_sb("%1", "1(%2)")"\n" \
- "srl\t$1, %1, 0x8\n" \
-- "2:\t"user_sb("$1", "0(%2)")"\n" \
-+ "2:\t"type##_sb("$1", "0(%2)")"\n" \
- ".set\tat\n\t" \
- "li\t%0, 0\n" \
- "3:\n\t" \
-@@ -342,13 +363,15 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
-- : "r" (value), "r" (addr), "i" (-EFAULT));
-+ : "r" (value), "r" (addr), "i" (-EFAULT));\
-+} while(0)
-
- #ifndef CONFIG_CPU_MIPSR6
--#define StoreW(addr, value, res) \
-+#define _StoreW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
-- "1:\t"user_swl("%1", "(%2)")"\n" \
-- "2:\t"user_swr("%1", "3(%2)")"\n\t" \
-+ "1:\t"type##_swl("%1", "(%2)")"\n" \
-+ "2:\t"type##_swr("%1", "3(%2)")"\n\t"\
- "li\t%0, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
-@@ -361,9 +384,11 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
-- : "r" (value), "r" (addr), "i" (-EFAULT));
-+ : "r" (value), "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-
--#define StoreDW(addr, value, res) \
-+#define _StoreDW(addr, value, res) \
-+do { \
- __asm__ __volatile__ ( \
- "1:\tsdl\t%1,(%2)\n" \
- "2:\tsdr\t%1, 7(%2)\n\t" \
-@@ -379,20 +404,23 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
-- : "r" (value), "r" (addr), "i" (-EFAULT));
-+ : "r" (value), "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-+
- #else
- /* MIPSR6 has no swl and sdl instructions */
--#define StoreW(addr, value, res) \
-+#define _StoreW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
-- "1:"user_sb("%1", "3(%2)")"\n\t" \
-+ "1:"type##_sb("%1", "3(%2)")"\n\t" \
- "srl\t$1, %1, 0x8\n\t" \
-- "2:"user_sb("$1", "2(%2)")"\n\t" \
-+ "2:"type##_sb("$1", "2(%2)")"\n\t" \
- "srl\t$1, $1, 0x8\n\t" \
-- "3:"user_sb("$1", "1(%2)")"\n\t" \
-+ "3:"type##_sb("$1", "1(%2)")"\n\t" \
- "srl\t$1, $1, 0x8\n\t" \
-- "4:"user_sb("$1", "0(%2)")"\n\t" \
-+ "4:"type##_sb("$1", "0(%2)")"\n\t" \
- ".set\tpop\n\t" \
- "li\t%0, 0\n" \
- "10:\n\t" \
-@@ -409,9 +437,11 @@ extern void show_registers(struct pt_regs *regs);
- ".previous" \
- : "=&r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT) \
-- : "memory");
-+ : "memory"); \
-+} while(0)
-
- #define StoreDW(addr, value, res) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
-@@ -451,15 +481,18 @@ extern void show_registers(struct pt_regs *regs);
- ".previous" \
- : "=&r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT) \
-- : "memory");
-+ : "memory"); \
-+} while(0)
-+
- #endif /* CONFIG_CPU_MIPSR6 */
-
- #else /* __BIG_ENDIAN */
-
--#define LoadHW(addr, value, res) \
-+#define _LoadHW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ (".set\tnoat\n" \
-- "1:\t"user_lb("%0", "1(%2)")"\n" \
-- "2:\t"user_lbu("$1", "0(%2)")"\n\t" \
-+ "1:\t"type##_lb("%0", "1(%2)")"\n" \
-+ "2:\t"type##_lbu("$1", "0(%2)")"\n\t"\
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
-@@ -474,13 +507,15 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-
- #ifndef CONFIG_CPU_MIPSR6
--#define LoadW(addr, value, res) \
-+#define _LoadW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
-- "1:\t"user_lwl("%0", "3(%2)")"\n" \
-- "2:\t"user_lwr("%0", "(%2)")"\n\t" \
-+ "1:\t"type##_lwl("%0", "3(%2)")"\n" \
-+ "2:\t"type##_lwr("%0", "(%2)")"\n\t"\
- "li\t%1, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
-@@ -493,21 +528,24 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-+
- #else
- /* MIPSR6 has no lwl instruction */
--#define LoadW(addr, value, res) \
-+#define _LoadW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n" \
- ".set\tnoat\n\t" \
-- "1:"user_lb("%0", "3(%2)")"\n\t" \
-- "2:"user_lbu("$1", "2(%2)")"\n\t" \
-+ "1:"type##_lb("%0", "3(%2)")"\n\t" \
-+ "2:"type##_lbu("$1", "2(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
-- "3:"user_lbu("$1", "1(%2)")"\n\t" \
-+ "3:"type##_lbu("$1", "1(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
-- "4:"user_lbu("$1", "0(%2)")"\n\t" \
-+ "4:"type##_lbu("$1", "0(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
-@@ -525,15 +563,18 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t4b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-+
- #endif /* CONFIG_CPU_MIPSR6 */
-
-
--#define LoadHWU(addr, value, res) \
-+#define _LoadHWU(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tnoat\n" \
-- "1:\t"user_lbu("%0", "1(%2)")"\n" \
-- "2:\t"user_lbu("$1", "0(%2)")"\n\t" \
-+ "1:\t"type##_lbu("%0", "1(%2)")"\n" \
-+ "2:\t"type##_lbu("$1", "0(%2)")"\n\t"\
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
-@@ -549,13 +590,15 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-
- #ifndef CONFIG_CPU_MIPSR6
--#define LoadWU(addr, value, res) \
-+#define _LoadWU(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
-- "1:\t"user_lwl("%0", "3(%2)")"\n" \
-- "2:\t"user_lwr("%0", "(%2)")"\n\t" \
-+ "1:\t"type##_lwl("%0", "3(%2)")"\n" \
-+ "2:\t"type##_lwr("%0", "(%2)")"\n\t"\
- "dsll\t%0, %0, 32\n\t" \
- "dsrl\t%0, %0, 32\n\t" \
- "li\t%1, 0\n" \
-@@ -570,9 +613,11 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-
--#define LoadDW(addr, value, res) \
-+#define _LoadDW(addr, value, res) \
-+do { \
- __asm__ __volatile__ ( \
- "1:\tldl\t%0, 7(%2)\n" \
- "2:\tldr\t%0, (%2)\n\t" \
-@@ -588,21 +633,24 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-+
- #else
- /* MIPSR6 has not lwl and ldl instructions */
--#define LoadWU(addr, value, res) \
-+#define _LoadWU(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
-- "1:"user_lbu("%0", "3(%2)")"\n\t" \
-- "2:"user_lbu("$1", "2(%2)")"\n\t" \
-+ "1:"type##_lbu("%0", "3(%2)")"\n\t" \
-+ "2:"type##_lbu("$1", "2(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
-- "3:"user_lbu("$1", "1(%2)")"\n\t" \
-+ "3:"type##_lbu("$1", "1(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
-- "4:"user_lbu("$1", "0(%2)")"\n\t" \
-+ "4:"type##_lbu("$1", "0(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
-@@ -620,9 +668,11 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t4b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-
--#define LoadDW(addr, value, res) \
-+#define _LoadDW(addr, value, res) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
-@@ -667,15 +717,17 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t8b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
-- : "r" (addr), "i" (-EFAULT));
-+ : "r" (addr), "i" (-EFAULT)); \
-+} while(0)
- #endif /* CONFIG_CPU_MIPSR6 */
-
--#define StoreHW(addr, value, res) \
-+#define _StoreHW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tnoat\n" \
-- "1:\t"user_sb("%1", "0(%2)")"\n" \
-+ "1:\t"type##_sb("%1", "0(%2)")"\n" \
- "srl\t$1,%1, 0x8\n" \
-- "2:\t"user_sb("$1", "1(%2)")"\n" \
-+ "2:\t"type##_sb("$1", "1(%2)")"\n" \
- ".set\tat\n\t" \
- "li\t%0, 0\n" \
- "3:\n\t" \
-@@ -689,12 +741,15 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
-- : "r" (value), "r" (addr), "i" (-EFAULT));
-+ : "r" (value), "r" (addr), "i" (-EFAULT));\
-+} while(0)
-+
- #ifndef CONFIG_CPU_MIPSR6
--#define StoreW(addr, value, res) \
-+#define _StoreW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
-- "1:\t"user_swl("%1", "3(%2)")"\n" \
-- "2:\t"user_swr("%1", "(%2)")"\n\t" \
-+ "1:\t"type##_swl("%1", "3(%2)")"\n" \
-+ "2:\t"type##_swr("%1", "(%2)")"\n\t"\
- "li\t%0, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
-@@ -707,9 +762,11 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
-- : "r" (value), "r" (addr), "i" (-EFAULT));
-+ : "r" (value), "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-
--#define StoreDW(addr, value, res) \
-+#define _StoreDW(addr, value, res) \
-+do { \
- __asm__ __volatile__ ( \
- "1:\tsdl\t%1, 7(%2)\n" \
- "2:\tsdr\t%1, (%2)\n\t" \
-@@ -725,20 +782,23 @@ extern void show_registers(struct pt_regs *regs);
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
-- : "r" (value), "r" (addr), "i" (-EFAULT));
-+ : "r" (value), "r" (addr), "i" (-EFAULT)); \
-+} while(0)
-+
- #else
- /* MIPSR6 has no swl and sdl instructions */
--#define StoreW(addr, value, res) \
-+#define _StoreW(addr, value, res, type) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
-- "1:"user_sb("%1", "0(%2)")"\n\t" \
-+ "1:"type##_sb("%1", "0(%2)")"\n\t" \
- "srl\t$1, %1, 0x8\n\t" \
-- "2:"user_sb("$1", "1(%2)")"\n\t" \
-+ "2:"type##_sb("$1", "1(%2)")"\n\t" \
- "srl\t$1, $1, 0x8\n\t" \
-- "3:"user_sb("$1", "2(%2)")"\n\t" \
-+ "3:"type##_sb("$1", "2(%2)")"\n\t" \
- "srl\t$1, $1, 0x8\n\t" \
-- "4:"user_sb("$1", "3(%2)")"\n\t" \
-+ "4:"type##_sb("$1", "3(%2)")"\n\t" \
- ".set\tpop\n\t" \
- "li\t%0, 0\n" \
- "10:\n\t" \
-@@ -755,9 +815,11 @@ extern void show_registers(struct pt_regs *regs);
- ".previous" \
- : "=&r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT) \
-- : "memory");
-+ : "memory"); \
-+} while(0)
-
--#define StoreDW(addr, value, res) \
-+#define _StoreDW(addr, value, res) \
-+do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
-@@ -797,10 +859,28 @@ extern void show_registers(struct pt_regs *regs);
- ".previous" \
- : "=&r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT) \
-- : "memory");
-+ : "memory"); \
-+} while(0)
-+
- #endif /* CONFIG_CPU_MIPSR6 */
- #endif
-
-+#define LoadHWU(addr, value, res) _LoadHWU(addr, value, res, kernel)
-+#define LoadHWUE(addr, value, res) _LoadHWU(addr, value, res, user)
-+#define LoadWU(addr, value, res) _LoadWU(addr, value, res, kernel)
-+#define LoadWUE(addr, value, res) _LoadWU(addr, value, res, user)
-+#define LoadHW(addr, value, res) _LoadHW(addr, value, res, kernel)
-+#define LoadHWE(addr, value, res) _LoadHW(addr, value, res, user)
-+#define LoadW(addr, value, res) _LoadW(addr, value, res, kernel)
-+#define LoadWE(addr, value, res) _LoadW(addr, value, res, user)
-+#define LoadDW(addr, value, res) _LoadDW(addr, value, res)
-+
-+#define StoreHW(addr, value, res) _StoreHW(addr, value, res, kernel)
-+#define StoreHWE(addr, value, res) _StoreHW(addr, value, res, user)
-+#define StoreW(addr, value, res) _StoreW(addr, value, res, kernel)
-+#define StoreWE(addr, value, res) _StoreW(addr, value, res, user)
-+#define StoreDW(addr, value, res) _StoreDW(addr, value, res)
-+
- static void emulate_load_store_insn(struct pt_regs *regs,
- void __user *addr, unsigned int __user *pc)
- {
-@@ -872,7 +952,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
- set_fs(seg);
- goto sigbus;
- }
-- LoadHW(addr, value, res);
-+ LoadHWE(addr, value, res);
- if (res) {
- set_fs(seg);
- goto fault;
-@@ -885,7 +965,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
- set_fs(seg);
- goto sigbus;
- }
-- LoadW(addr, value, res);
-+ LoadWE(addr, value, res);
- if (res) {
- set_fs(seg);
- goto fault;
-@@ -898,7 +978,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
- set_fs(seg);
- goto sigbus;
- }
-- LoadHWU(addr, value, res);
-+ LoadHWUE(addr, value, res);
- if (res) {
- set_fs(seg);
- goto fault;
-@@ -913,7 +993,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
- }
- compute_return_epc(regs);
- value = regs->regs[insn.spec3_format.rt];
-- StoreHW(addr, value, res);
-+ StoreHWE(addr, value, res);
- if (res) {
- set_fs(seg);
- goto fault;
-@@ -926,7 +1006,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
- }
- compute_return_epc(regs);
- value = regs->regs[insn.spec3_format.rt];
-- StoreW(addr, value, res);
-+ StoreWE(addr, value, res);
- if (res) {
- set_fs(seg);
- goto fault;
-@@ -943,7 +1023,15 @@ static void emulate_load_store_insn(struct pt_regs *regs,
- if (!access_ok(VERIFY_READ, addr, 2))
- goto sigbus;
-
-- LoadHW(addr, value, res);
-+ if (config_enabled(CONFIG_EVA)) {
-+ if (segment_eq(get_fs(), get_ds()))
-+ LoadHW(addr, value, res);
-+ else
-+ LoadHWE(addr, value, res);
-+ } else {
-+ LoadHW(addr, value, res);
-+ }
-+
- if (res)
- goto fault;
- compute_return_epc(regs);
-@@ -954,7 +1042,15 @@ static void emulate_load_store_insn(struct pt_regs *regs,
- if (!access_ok(VERIFY_READ, addr, 4))
- goto sigbus;
-
-- LoadW(addr, value, res);
-+ if (config_enabled(CONFIG_EVA)) {
-+ if (segment_eq(get_fs(), get_ds()))
-+ LoadW(addr, value, res);
-+ else
-+ LoadWE(addr, value, res);
-+ } else {
-+ LoadW(addr, value, res);
-+ }
-+
- if (res)
- goto fault;
- compute_return_epc(regs);
-@@ -965,7 +1061,15 @@ static void emulate_load_store_insn(struct pt_regs *regs,
- if (!access_ok(VERIFY_READ, addr, 2))
- goto sigbus;
-
-- LoadHWU(addr, value, res);
-+ if (config_enabled(CONFIG_EVA)) {
-+ if (segment_eq(get_fs(), get_ds()))
-+ LoadHWU(addr, value, res);
-+ else
-+ LoadHWUE(addr, value, res);
-+ } else {
-+ LoadHWU(addr, value, res);
-+ }
-+
- if (res)
- goto fault;
- compute_return_epc(regs);
-@@ -1024,7 +1128,16 @@ static void emulate_load_store_insn(struct pt_regs *regs,
-
- compute_return_epc(regs);
- value = regs->regs[insn.i_format.rt];
-- StoreHW(addr, value, res);
-+
-+ if (config_enabled(CONFIG_EVA)) {
-+ if (segment_eq(get_fs(), get_ds()))
-+ StoreHW(addr, value, res);
-+ else
-+ StoreHWE(addr, value, res);
-+ } else {
-+ StoreHW(addr, value, res);
-+ }
-+
- if (res)
- goto fault;
- break;
-@@ -1035,7 +1148,16 @@ static void emulate_load_store_insn(struct pt_regs *regs,
-
- compute_return_epc(regs);
- value = regs->regs[insn.i_format.rt];
-- StoreW(addr, value, res);
-+
-+ if (config_enabled(CONFIG_EVA)) {
-+ if (segment_eq(get_fs(), get_ds()))
-+ StoreW(addr, value, res);
-+ else
-+ StoreWE(addr, value, res);
-+ } else {
-+ StoreW(addr, value, res);
-+ }
-+
- if (res)
- goto fault;
- break;
-diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
-index fb3e8df..838d3a6 100644
---- a/arch/mips/kvm/emulate.c
-+++ b/arch/mips/kvm/emulate.c
-@@ -2176,6 +2176,7 @@ enum emulation_result kvm_mips_check_privilege(unsigned long cause,
- case T_SYSCALL:
- case T_BREAK:
- case T_RES_INST:
-+ case T_MSADIS:
- break;
-
- case T_COP_UNUSABLE:
-diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
-index c9eccf5..f5e7dda 100644
---- a/arch/mips/kvm/mips.c
-+++ b/arch/mips/kvm/mips.c
-@@ -1119,6 +1119,10 @@ int kvm_mips_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu)
- ret = kvm_mips_callbacks->handle_break(vcpu);
- break;
-
-+ case T_MSADIS:
-+ ret = kvm_mips_callbacks->handle_msa_disabled(vcpu);
-+ break;
-+
- default:
- kvm_err("Exception Code: %d, not yet handled, @ PC: %p, inst: 0x%08x BadVaddr: %#lx Status: %#lx\n",
- exccode, opc, kvm_get_inst(opc, vcpu), badvaddr,
-diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c
-index fd7257b..4372cc8 100644
---- a/arch/mips/kvm/trap_emul.c
-+++ b/arch/mips/kvm/trap_emul.c
-@@ -330,6 +330,33 @@ static int kvm_trap_emul_handle_break(struct kvm_vcpu *vcpu)
- return ret;
- }
-
-+static int kvm_trap_emul_handle_msa_disabled(struct kvm_vcpu *vcpu)
-+{
-+ struct kvm_run *run = vcpu->run;
-+ uint32_t __user *opc = (uint32_t __user *) vcpu->arch.pc;
-+ unsigned long cause = vcpu->arch.host_cp0_cause;
-+ enum emulation_result er = EMULATE_DONE;
-+ int ret = RESUME_GUEST;
-+
-+ /* No MSA supported in guest, guest reserved instruction exception */
-+ er = kvm_mips_emulate_ri_exc(cause, opc, run, vcpu);
-+
-+ switch (er) {
-+ case EMULATE_DONE:
-+ ret = RESUME_GUEST;
-+ break;
-+
-+ case EMULATE_FAIL:
-+ run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
-+ ret = RESUME_HOST;
-+ break;
-+
-+ default:
-+ BUG();
-+ }
-+ return ret;
-+}
-+
- static int kvm_trap_emul_vm_init(struct kvm *kvm)
- {
- return 0;
-@@ -470,6 +497,7 @@ static struct kvm_mips_callbacks kvm_trap_emul_callbacks = {
- .handle_syscall = kvm_trap_emul_handle_syscall,
- .handle_res_inst = kvm_trap_emul_handle_res_inst,
- .handle_break = kvm_trap_emul_handle_break,
-+ .handle_msa_disabled = kvm_trap_emul_handle_msa_disabled,
-
- .vm_init = kvm_trap_emul_vm_init,
- .vcpu_init = kvm_trap_emul_vcpu_init,
-diff --git a/arch/mips/loongson/loongson-3/irq.c b/arch/mips/loongson/loongson-3/irq.c
-index 21221ed..0f75b6b 100644
---- a/arch/mips/loongson/loongson-3/irq.c
-+++ b/arch/mips/loongson/loongson-3/irq.c
-@@ -44,6 +44,7 @@ void mach_irq_dispatch(unsigned int pending)
-
- static struct irqaction cascade_irqaction = {
- .handler = no_action,
-+ .flags = IRQF_NO_SUSPEND,
- .name = "cascade",
- };
-
-diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c
-index 8fddd2cd..efe366d 100644
---- a/arch/mips/mti-malta/malta-memory.c
-+++ b/arch/mips/mti-malta/malta-memory.c
-@@ -53,6 +53,12 @@ fw_memblock_t * __init fw_getmdesc(int eva)
- pr_warn("memsize not set in YAMON, set to default (32Mb)\n");
- physical_memsize = 0x02000000;
- } else {
-+ if (memsize > (256 << 20)) { /* memsize should be capped to 256M */
-+ pr_warn("Unsupported memsize value (0x%lx) detected! "
-+ "Using 0x10000000 (256M) instead\n",
-+ memsize);
-+ memsize = 256 << 20;
-+ }
- /* If ememsize is set, then set physical_memsize to that */
- physical_memsize = ememsize ? : memsize;
- }
-diff --git a/arch/mips/power/hibernate.S b/arch/mips/power/hibernate.S
-index 32a7c82..e7567c8 100644
---- a/arch/mips/power/hibernate.S
-+++ b/arch/mips/power/hibernate.S
-@@ -30,6 +30,8 @@ LEAF(swsusp_arch_suspend)
- END(swsusp_arch_suspend)
-
- LEAF(swsusp_arch_resume)
-+ /* Avoid TLB mismatch during and after kernel resume */
-+ jal local_flush_tlb_all
- PTR_L t0, restore_pblist
- 0:
- PTR_L t1, PBE_ADDRESS(t0) /* source */
-@@ -43,7 +45,6 @@ LEAF(swsusp_arch_resume)
- bne t1, t3, 1b
- PTR_L t0, PBE_NEXT(t0)
- bnez t0, 0b
-- jal local_flush_tlb_all /* Avoid TLB mismatch after kernel resume */
- PTR_LA t0, saved_regs
- PTR_L ra, PT_R31(t0)
- PTR_L sp, PT_R29(t0)
-diff --git a/arch/powerpc/kernel/cacheinfo.c b/arch/powerpc/kernel/cacheinfo.c
-index ae77b7e..c641983 100644
---- a/arch/powerpc/kernel/cacheinfo.c
-+++ b/arch/powerpc/kernel/cacheinfo.c
-@@ -61,12 +61,22 @@ struct cache_type_info {
- };
-
- /* These are used to index the cache_type_info array. */
--#define CACHE_TYPE_UNIFIED 0
--#define CACHE_TYPE_INSTRUCTION 1
--#define CACHE_TYPE_DATA 2
-+#define CACHE_TYPE_UNIFIED 0 /* cache-size, cache-block-size, etc. */
-+#define CACHE_TYPE_UNIFIED_D 1 /* d-cache-size, d-cache-block-size, etc */
-+#define CACHE_TYPE_INSTRUCTION 2
-+#define CACHE_TYPE_DATA 3
-
- static const struct cache_type_info cache_type_info[] = {
- {
-+ /* Embedded systems that use cache-size, cache-block-size,
-+ * etc. for the Unified (typically L2) cache. */
-+ .name = "Unified",
-+ .size_prop = "cache-size",
-+ .line_size_props = { "cache-line-size",
-+ "cache-block-size", },
-+ .nr_sets_prop = "cache-sets",
-+ },
-+ {
- /* PowerPC Processor binding says the [di]-cache-*
- * must be equal on unified caches, so just use
- * d-cache properties. */
-@@ -293,7 +303,8 @@ static struct cache *cache_find_first_sibling(struct cache *cache)
- {
- struct cache *iter;
-
-- if (cache->type == CACHE_TYPE_UNIFIED)
-+ if (cache->type == CACHE_TYPE_UNIFIED ||
-+ cache->type == CACHE_TYPE_UNIFIED_D)
- return cache;
-
- list_for_each_entry(iter, &cache_list, list)
-@@ -324,16 +335,29 @@ static bool cache_node_is_unified(const struct device_node *np)
- return of_get_property(np, "cache-unified", NULL);
- }
-
--static struct cache *cache_do_one_devnode_unified(struct device_node *node,
-- int level)
-+/*
-+ * Unified caches can have two different sets of tags. Most embedded
-+ * use cache-size, etc. for the unified cache size, but open firmware systems
-+ * use d-cache-size, etc. Check on initialization for which type we have, and
-+ * return the appropriate structure type. Assume it's embedded if it isn't
-+ * open firmware. If it's yet a 3rd type, then there will be missing entries
-+ * in /sys/devices/system/cpu/cpu0/cache/index2/, and this code will need
-+ * to be extended further.
-+ */
-+static int cache_is_unified_d(const struct device_node *np)
- {
-- struct cache *cache;
-+ return of_get_property(np,
-+ cache_type_info[CACHE_TYPE_UNIFIED_D].size_prop, NULL) ?
-+ CACHE_TYPE_UNIFIED_D : CACHE_TYPE_UNIFIED;
-+}
-
-+/*
-+ */
-+static struct cache *cache_do_one_devnode_unified(struct device_node *node, int level)
-+{
- pr_debug("creating L%d ucache for %s\n", level, node->full_name);
-
-- cache = new_cache(CACHE_TYPE_UNIFIED, level, node);
--
-- return cache;
-+ return new_cache(cache_is_unified_d(node), level, node);
- }
-
- static struct cache *cache_do_one_devnode_split(struct device_node *node,
-diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
-index 7e408bf..cecbe00 100644
---- a/arch/powerpc/mm/hugetlbpage.c
-+++ b/arch/powerpc/mm/hugetlbpage.c
-@@ -581,6 +581,7 @@ static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
- pmd = pmd_offset(pud, start);
- pud_clear(pud);
- pmd_free_tlb(tlb, pmd, start);
-+ mm_dec_nr_pmds(tlb->mm);
- }
-
- static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
-diff --git a/arch/powerpc/perf/callchain.c b/arch/powerpc/perf/callchain.c
-index 2396dda..ead5535 100644
---- a/arch/powerpc/perf/callchain.c
-+++ b/arch/powerpc/perf/callchain.c
-@@ -243,7 +243,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
- sp = regs->gpr[1];
- perf_callchain_store(entry, next_ip);
-
-- for (;;) {
-+ while (entry->nr < PERF_MAX_STACK_DEPTH) {
- fp = (unsigned long __user *) sp;
- if (!valid_user_sp(sp, 1) || read_user_stack_64(fp, &next_sp))
- return;
-diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
-index 4c11421..3af8324 100644
---- a/arch/powerpc/platforms/cell/interrupt.c
-+++ b/arch/powerpc/platforms/cell/interrupt.c
-@@ -163,7 +163,7 @@ static unsigned int iic_get_irq(void)
-
- void iic_setup_cpu(void)
- {
-- out_be64(this_cpu_ptr(&cpu_iic.regs->prio), 0xff);
-+ out_be64(&this_cpu_ptr(&cpu_iic)->regs->prio, 0xff);
- }
-
- u8 iic_get_target_id(int cpu)
-diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
-index c7c8720..63db1b0 100644
---- a/arch/powerpc/platforms/cell/iommu.c
-+++ b/arch/powerpc/platforms/cell/iommu.c
-@@ -197,7 +197,7 @@ static int tce_build_cell(struct iommu_table *tbl, long index, long npages,
-
- io_pte = (unsigned long *)tbl->it_base + (index - tbl->it_offset);
-
-- for (i = 0; i < npages; i++, uaddr += tbl->it_page_shift)
-+ for (i = 0; i < npages; i++, uaddr += (1 << tbl->it_page_shift))
- io_pte[i] = base_pte | (__pa(uaddr) & CBE_IOPTE_RPN_Mask);
-
- mb();
-diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
-index 6c9ff2b..1d9369e 100644
---- a/arch/powerpc/platforms/powernv/pci-ioda.c
-+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
-@@ -1777,7 +1777,8 @@ static void pnv_ioda_setup_pe_seg(struct pci_controller *hose,
- region.start += phb->ioda.io_segsize;
- index++;
- }
-- } else if (res->flags & IORESOURCE_MEM) {
-+ } else if ((res->flags & IORESOURCE_MEM) &&
-+ !pnv_pci_is_mem_pref_64(res->flags)) {
- region.start = res->start -
- hose->mem_offset[0] -
- phb->ioda.m32_pci_base;
-diff --git a/arch/s390/kernel/suspend.c b/arch/s390/kernel/suspend.c
-index 1c4c5ac..d3236c9 100644
---- a/arch/s390/kernel/suspend.c
-+++ b/arch/s390/kernel/suspend.c
-@@ -138,6 +138,8 @@ int pfn_is_nosave(unsigned long pfn)
- {
- unsigned long nosave_begin_pfn = PFN_DOWN(__pa(&__nosave_begin));
- unsigned long nosave_end_pfn = PFN_DOWN(__pa(&__nosave_end));
-+ unsigned long eshared_pfn = PFN_DOWN(__pa(&_eshared)) - 1;
-+ unsigned long stext_pfn = PFN_DOWN(__pa(&_stext));
-
- /* Always save lowcore pages (LC protection might be enabled). */
- if (pfn <= LC_PAGES)
-@@ -145,6 +147,8 @@ int pfn_is_nosave(unsigned long pfn)
- if (pfn >= nosave_begin_pfn && pfn < nosave_end_pfn)
- return 1;
- /* Skip memory holes and read-only pages (NSS, DCSS, ...). */
-+ if (pfn >= stext_pfn && pfn <= eshared_pfn)
-+ return ipl_info.type == IPL_TYPE_NSS ? 1 : 0;
- if (tprot(PFN_PHYS(pfn)))
- return 1;
- return 0;
-diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
-index 073b5f3..e7bc2fd 100644
---- a/arch/s390/kvm/interrupt.c
-+++ b/arch/s390/kvm/interrupt.c
-@@ -17,6 +17,7 @@
- #include <linux/signal.h>
- #include <linux/slab.h>
- #include <linux/bitmap.h>
-+#include <linux/vmalloc.h>
- #include <asm/asm-offsets.h>
- #include <asm/uaccess.h>
- #include <asm/sclp.h>
-@@ -1332,10 +1333,10 @@ int kvm_s390_inject_vm(struct kvm *kvm,
- return rc;
- }
-
--void kvm_s390_reinject_io_int(struct kvm *kvm,
-+int kvm_s390_reinject_io_int(struct kvm *kvm,
- struct kvm_s390_interrupt_info *inti)
- {
-- __inject_vm(kvm, inti);
-+ return __inject_vm(kvm, inti);
- }
-
- int s390int_to_s390irq(struct kvm_s390_interrupt *s390int,
-@@ -1455,61 +1456,66 @@ void kvm_s390_clear_float_irqs(struct kvm *kvm)
- spin_unlock(&fi->lock);
- }
-
--static inline int copy_irq_to_user(struct kvm_s390_interrupt_info *inti,
-- u8 *addr)
-+static void inti_to_irq(struct kvm_s390_interrupt_info *inti,
-+ struct kvm_s390_irq *irq)
- {
-- struct kvm_s390_irq __user *uptr = (struct kvm_s390_irq __user *) addr;
-- struct kvm_s390_irq irq = {0};
--
-- irq.type = inti->type;
-+ irq->type = inti->type;
- switch (inti->type) {
- case KVM_S390_INT_PFAULT_INIT:
- case KVM_S390_INT_PFAULT_DONE:
- case KVM_S390_INT_VIRTIO:
- case KVM_S390_INT_SERVICE:
-- irq.u.ext = inti->ext;
-+ irq->u.ext = inti->ext;
- break;
- case KVM_S390_INT_IO_MIN...KVM_S390_INT_IO_MAX:
-- irq.u.io = inti->io;
-+ irq->u.io = inti->io;
- break;
- case KVM_S390_MCHK:
-- irq.u.mchk = inti->mchk;
-+ irq->u.mchk = inti->mchk;
- break;
-- default:
-- return -EINVAL;
- }
--
-- if (copy_to_user(uptr, &irq, sizeof(irq)))
-- return -EFAULT;
--
-- return 0;
- }
-
--static int get_all_floating_irqs(struct kvm *kvm, __u8 *buf, __u64 len)
-+static int get_all_floating_irqs(struct kvm *kvm, u8 __user *usrbuf, u64 len)
- {
- struct kvm_s390_interrupt_info *inti;
- struct kvm_s390_float_interrupt *fi;
-+ struct kvm_s390_irq *buf;
-+ int max_irqs;
- int ret = 0;
- int n = 0;
-
-+ if (len > KVM_S390_FLIC_MAX_BUFFER || len == 0)
-+ return -EINVAL;
-+
-+ /*
-+ * We are already using -ENOMEM to signal
-+ * userspace it may retry with a bigger buffer,
-+ * so we need to use something else for this case
-+ */
-+ buf = vzalloc(len);
-+ if (!buf)
-+ return -ENOBUFS;
-+
-+ max_irqs = len / sizeof(struct kvm_s390_irq);
-+
- fi = &kvm->arch.float_int;
- spin_lock(&fi->lock);
--
- list_for_each_entry(inti, &fi->list, list) {
-- if (len < sizeof(struct kvm_s390_irq)) {
-+ if (n == max_irqs) {
- /* signal userspace to try again */
- ret = -ENOMEM;
- break;
- }
-- ret = copy_irq_to_user(inti, buf);
-- if (ret)
-- break;
-- buf += sizeof(struct kvm_s390_irq);
-- len -= sizeof(struct kvm_s390_irq);
-+ inti_to_irq(inti, &buf[n]);
- n++;
- }
--
- spin_unlock(&fi->lock);
-+ if (!ret && n > 0) {
-+ if (copy_to_user(usrbuf, buf, sizeof(struct kvm_s390_irq) * n))
-+ ret = -EFAULT;
-+ }
-+ vfree(buf);
-
- return ret < 0 ? ret : n;
- }
-@@ -1520,7 +1526,7 @@ static int flic_get_attr(struct kvm_device *dev, struct kvm_device_attr *attr)
-
- switch (attr->group) {
- case KVM_DEV_FLIC_GET_ALL_IRQS:
-- r = get_all_floating_irqs(dev->kvm, (u8 *) attr->addr,
-+ r = get_all_floating_irqs(dev->kvm, (u8 __user *) attr->addr,
- attr->attr);
- break;
- default:
-diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
-index c34109a..6995a30 100644
---- a/arch/s390/kvm/kvm-s390.h
-+++ b/arch/s390/kvm/kvm-s390.h
-@@ -151,8 +151,8 @@ int __must_check kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu,
- int __must_check kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code);
- struct kvm_s390_interrupt_info *kvm_s390_get_io_int(struct kvm *kvm,
- u64 cr6, u64 schid);
--void kvm_s390_reinject_io_int(struct kvm *kvm,
-- struct kvm_s390_interrupt_info *inti);
-+int kvm_s390_reinject_io_int(struct kvm *kvm,
-+ struct kvm_s390_interrupt_info *inti);
- int kvm_s390_mask_adapter(struct kvm *kvm, unsigned int id, bool masked);
-
- /* implemented in intercept.c */
-diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
-index 3511169..b982fbc 100644
---- a/arch/s390/kvm/priv.c
-+++ b/arch/s390/kvm/priv.c
-@@ -229,18 +229,19 @@ static int handle_tpi(struct kvm_vcpu *vcpu)
- struct kvm_s390_interrupt_info *inti;
- unsigned long len;
- u32 tpi_data[3];
-- int cc, rc;
-+ int rc;
- u64 addr;
-
-- rc = 0;
- addr = kvm_s390_get_base_disp_s(vcpu);
- if (addr & 3)
- return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
-- cc = 0;
-+
- inti = kvm_s390_get_io_int(vcpu->kvm, vcpu->arch.sie_block->gcr[6], 0);
-- if (!inti)
-- goto no_interrupt;
-- cc = 1;
-+ if (!inti) {
-+ kvm_s390_set_psw_cc(vcpu, 0);
-+ return 0;
-+ }
-+
- tpi_data[0] = inti->io.subchannel_id << 16 | inti->io.subchannel_nr;
- tpi_data[1] = inti->io.io_int_parm;
- tpi_data[2] = inti->io.io_int_word;
-@@ -251,30 +252,38 @@ static int handle_tpi(struct kvm_vcpu *vcpu)
- */
- len = sizeof(tpi_data) - 4;
- rc = write_guest(vcpu, addr, &tpi_data, len);
-- if (rc)
-- return kvm_s390_inject_prog_cond(vcpu, rc);
-+ if (rc) {
-+ rc = kvm_s390_inject_prog_cond(vcpu, rc);
-+ goto reinject_interrupt;
-+ }
- } else {
- /*
- * Store the three-word I/O interruption code into
- * the appropriate lowcore area.
- */
- len = sizeof(tpi_data);
-- if (write_guest_lc(vcpu, __LC_SUBCHANNEL_ID, &tpi_data, len))
-+ if (write_guest_lc(vcpu, __LC_SUBCHANNEL_ID, &tpi_data, len)) {
-+ /* failed writes to the low core are not recoverable */
- rc = -EFAULT;
-+ goto reinject_interrupt;
-+ }
- }
-+
-+ /* irq was successfully handed to the guest */
-+ kfree(inti);
-+ kvm_s390_set_psw_cc(vcpu, 1);
-+ return 0;
-+reinject_interrupt:
- /*
- * If we encounter a problem storing the interruption code, the
- * instruction is suppressed from the guest's view: reinject the
- * interrupt.
- */
-- if (!rc)
-+ if (kvm_s390_reinject_io_int(vcpu->kvm, inti)) {
- kfree(inti);
-- else
-- kvm_s390_reinject_io_int(vcpu->kvm, inti);
--no_interrupt:
-- /* Set condition code and we're done. */
-- if (!rc)
-- kvm_s390_set_psw_cc(vcpu, cc);
-+ rc = -EFAULT;
-+ }
-+ /* don't set the cc, a pgm irq was injected or we drop to user space */
- return rc ? -EFAULT : 0;
- }
-
-@@ -467,6 +476,7 @@ static void handle_stsi_3_2_2(struct kvm_vcpu *vcpu, struct sysinfo_3_2_2 *mem)
- for (n = mem->count - 1; n > 0 ; n--)
- memcpy(&mem->vm[n], &mem->vm[n - 1], sizeof(mem->vm[0]));
-
-+ memset(&mem->vm[0], 0, sizeof(mem->vm[0]));
- mem->vm[0].cpus_total = cpus;
- mem->vm[0].cpus_configured = cpus;
- mem->vm[0].cpus_standby = 0;
-diff --git a/arch/x86/include/asm/insn.h b/arch/x86/include/asm/insn.h
-index 47f29b1..e7814b7 100644
---- a/arch/x86/include/asm/insn.h
-+++ b/arch/x86/include/asm/insn.h
-@@ -69,7 +69,7 @@ struct insn {
- const insn_byte_t *next_byte;
- };
-
--#define MAX_INSN_SIZE 16
-+#define MAX_INSN_SIZE 15
-
- #define X86_MODRM_MOD(modrm) (((modrm) & 0xc0) >> 6)
- #define X86_MODRM_REG(modrm) (((modrm) & 0x38) >> 3)
-diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h
-index a1410db..653dfa7 100644
---- a/arch/x86/include/asm/mwait.h
-+++ b/arch/x86/include/asm/mwait.h
-@@ -30,6 +30,14 @@ static inline void __mwait(unsigned long eax, unsigned long ecx)
- :: "a" (eax), "c" (ecx));
- }
-
-+static inline void __sti_mwait(unsigned long eax, unsigned long ecx)
-+{
-+ trace_hardirqs_on();
-+ /* "mwait %eax, %ecx;" */
-+ asm volatile("sti; .byte 0x0f, 0x01, 0xc9;"
-+ :: "a" (eax), "c" (ecx));
-+}
-+
- /*
- * This uses new MONITOR/MWAIT instructions on P4 processors with PNI,
- * which can obviate IPI to trigger checking of need_resched.
-diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h
-index d6b078e..25b1cc0 100644
---- a/arch/x86/include/asm/pvclock.h
-+++ b/arch/x86/include/asm/pvclock.h
-@@ -95,6 +95,7 @@ unsigned __pvclock_read_cycles(const struct pvclock_vcpu_time_info *src,
-
- struct pvclock_vsyscall_time_info {
- struct pvclock_vcpu_time_info pvti;
-+ u32 migrate_count;
- } __attribute__((__aligned__(SMP_CACHE_BYTES)));
-
- #define PVTI_SIZE sizeof(struct pvclock_vsyscall_time_info)
-diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
-index 0739833..666bcf1 100644
---- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
-+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
-@@ -557,6 +557,8 @@ struct event_constraint intel_core2_pebs_event_constraints[] = {
- INTEL_FLAGS_UEVENT_CONSTRAINT(0x00c5, 0x1), /* BR_INST_RETIRED.MISPRED */
- INTEL_FLAGS_UEVENT_CONSTRAINT(0x1fc7, 0x1), /* SIMD_INST_RETURED.ANY */
- INTEL_FLAGS_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED.* */
-+ /* INST_RETIRED.ANY_P, inv=1, cmask=16 (cycles:p). */
-+ INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x01),
- EVENT_CONSTRAINT_END
- };
-
-@@ -564,6 +566,8 @@ struct event_constraint intel_atom_pebs_event_constraints[] = {
- INTEL_FLAGS_UEVENT_CONSTRAINT(0x00c0, 0x1), /* INST_RETIRED.ANY */
- INTEL_FLAGS_UEVENT_CONSTRAINT(0x00c5, 0x1), /* MISPREDICTED_BRANCH_RETIRED */
- INTEL_FLAGS_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED.* */
-+ /* INST_RETIRED.ANY_P, inv=1, cmask=16 (cycles:p). */
-+ INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x01),
- EVENT_CONSTRAINT_END
- };
-
-@@ -587,6 +591,8 @@ struct event_constraint intel_nehalem_pebs_event_constraints[] = {
- INTEL_FLAGS_UEVENT_CONSTRAINT(0x20c8, 0xf), /* ITLB_MISS_RETIRED */
- INTEL_FLAGS_EVENT_CONSTRAINT(0xcb, 0xf), /* MEM_LOAD_RETIRED.* */
- INTEL_FLAGS_EVENT_CONSTRAINT(0xf7, 0xf), /* FP_ASSIST.* */
-+ /* INST_RETIRED.ANY_P, inv=1, cmask=16 (cycles:p). */
-+ INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x0f),
- EVENT_CONSTRAINT_END
- };
-
-@@ -602,6 +608,8 @@ struct event_constraint intel_westmere_pebs_event_constraints[] = {
- INTEL_FLAGS_UEVENT_CONSTRAINT(0x20c8, 0xf), /* ITLB_MISS_RETIRED */
- INTEL_FLAGS_EVENT_CONSTRAINT(0xcb, 0xf), /* MEM_LOAD_RETIRED.* */
- INTEL_FLAGS_EVENT_CONSTRAINT(0xf7, 0xf), /* FP_ASSIST.* */
-+ /* INST_RETIRED.ANY_P, inv=1, cmask=16 (cycles:p). */
-+ INTEL_FLAGS_EVENT_CONSTRAINT(0x108000c0, 0x0f),
- EVENT_CONSTRAINT_END
- };
-
-diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
-index 046e2d6..a388bb8 100644
---- a/arch/x86/kernel/process.c
-+++ b/arch/x86/kernel/process.c
-@@ -24,6 +24,7 @@
- #include <asm/syscalls.h>
- #include <asm/idle.h>
- #include <asm/uaccess.h>
-+#include <asm/mwait.h>
- #include <asm/i387.h>
- #include <asm/fpu-internal.h>
- #include <asm/debugreg.h>
-@@ -399,6 +400,53 @@ static void amd_e400_idle(void)
- default_idle();
- }
-
-+/*
-+ * Intel Core2 and older machines prefer MWAIT over HALT for C1.
-+ * We can't rely on cpuidle installing MWAIT, because it will not load
-+ * on systems that support only C1 -- so the boot default must be MWAIT.
-+ *
-+ * Some AMD machines are the opposite, they depend on using HALT.
-+ *
-+ * So for default C1, which is used during boot until cpuidle loads,
-+ * use MWAIT-C1 on Intel HW that has it, else use HALT.
-+ */
-+static int prefer_mwait_c1_over_halt(const struct cpuinfo_x86 *c)
-+{
-+ if (c->x86_vendor != X86_VENDOR_INTEL)
-+ return 0;
-+
-+ if (!cpu_has(c, X86_FEATURE_MWAIT))
-+ return 0;
-+
-+ return 1;
-+}
-+
-+/*
-+ * MONITOR/MWAIT with no hints, used for default default C1 state.
-+ * This invokes MWAIT with interrutps enabled and no flags,
-+ * which is backwards compatible with the original MWAIT implementation.
-+ */
-+
-+static void mwait_idle(void)
-+{
-+ if (!current_set_polling_and_test()) {
-+ if (this_cpu_has(X86_BUG_CLFLUSH_MONITOR)) {
-+ smp_mb(); /* quirk */
-+ clflush((void *)&current_thread_info()->flags);
-+ smp_mb(); /* quirk */
-+ }
-+
-+ __monitor((void *)&current_thread_info()->flags, 0, 0);
-+ if (!need_resched())
-+ __sti_mwait(0, 0);
-+ else
-+ local_irq_enable();
-+ } else {
-+ local_irq_enable();
-+ }
-+ __current_clr_polling();
-+}
-+
- void select_idle_routine(const struct cpuinfo_x86 *c)
- {
- #ifdef CONFIG_SMP
-@@ -412,6 +460,9 @@ void select_idle_routine(const struct cpuinfo_x86 *c)
- /* E400: APIC timer interrupt does not wake up CPU from C1e */
- pr_info("using AMD E400 aware idle routine\n");
- x86_idle = amd_e400_idle;
-+ } else if (prefer_mwait_c1_over_halt(c)) {
-+ pr_info("using mwait in idle threads\n");
-+ x86_idle = mwait_idle;
- } else
- x86_idle = default_idle;
- }
-diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
-index 2f355d2..e5ecd20 100644
---- a/arch/x86/kernel/pvclock.c
-+++ b/arch/x86/kernel/pvclock.c
-@@ -141,7 +141,46 @@ void pvclock_read_wallclock(struct pvclock_wall_clock *wall_clock,
- set_normalized_timespec(ts, now.tv_sec, now.tv_nsec);
- }
-
-+static struct pvclock_vsyscall_time_info *pvclock_vdso_info;
-+
-+static struct pvclock_vsyscall_time_info *
-+pvclock_get_vsyscall_user_time_info(int cpu)
-+{
-+ if (!pvclock_vdso_info) {
-+ BUG();
-+ return NULL;
-+ }
-+
-+ return &pvclock_vdso_info[cpu];
-+}
-+
-+struct pvclock_vcpu_time_info *pvclock_get_vsyscall_time_info(int cpu)
-+{
-+ return &pvclock_get_vsyscall_user_time_info(cpu)->pvti;
-+}
-+
- #ifdef CONFIG_X86_64
-+static int pvclock_task_migrate(struct notifier_block *nb, unsigned long l,
-+ void *v)
-+{
-+ struct task_migration_notifier *mn = v;
-+ struct pvclock_vsyscall_time_info *pvti;
-+
-+ pvti = pvclock_get_vsyscall_user_time_info(mn->from_cpu);
-+
-+ /* this is NULL when pvclock vsyscall is not initialized */
-+ if (unlikely(pvti == NULL))
-+ return NOTIFY_DONE;
-+
-+ pvti->migrate_count++;
-+
-+ return NOTIFY_DONE;
-+}
-+
-+static struct notifier_block pvclock_migrate = {
-+ .notifier_call = pvclock_task_migrate,
-+};
-+
- /*
- * Initialize the generic pvclock vsyscall state. This will allocate
- * a/some page(s) for the per-vcpu pvclock information, set up a
-@@ -155,12 +194,17 @@ int __init pvclock_init_vsyscall(struct pvclock_vsyscall_time_info *i,
-
- WARN_ON (size != PVCLOCK_VSYSCALL_NR_PAGES*PAGE_SIZE);
-
-+ pvclock_vdso_info = i;
-+
- for (idx = 0; idx <= (PVCLOCK_FIXMAP_END-PVCLOCK_FIXMAP_BEGIN); idx++) {
- __set_fixmap(PVCLOCK_FIXMAP_BEGIN + idx,
- __pa(i) + (idx*PAGE_SIZE),
- PAGE_KERNEL_VVAR);
- }
-
-+
-+ register_task_migration_notifier(&pvclock_migrate);
-+
- return 0;
- }
- #endif
-diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
-index ae4f6d3..a60bd3a 100644
---- a/arch/x86/kvm/vmx.c
-+++ b/arch/x86/kvm/vmx.c
-@@ -3621,8 +3621,16 @@ static void vmx_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
-
- static int vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
- {
-- unsigned long hw_cr4 = cr4 | (to_vmx(vcpu)->rmode.vm86_active ?
-- KVM_RMODE_VM_CR4_ALWAYS_ON : KVM_PMODE_VM_CR4_ALWAYS_ON);
-+ /*
-+ * Pass through host's Machine Check Enable value to hw_cr4, which
-+ * is in force while we are in guest mode. Do not let guests control
-+ * this bit, even if host CR4.MCE == 0.
-+ */
-+ unsigned long hw_cr4 =
-+ (cr4_read_shadow() & X86_CR4_MCE) |
-+ (cr4 & ~X86_CR4_MCE) |
-+ (to_vmx(vcpu)->rmode.vm86_active ?
-+ KVM_RMODE_VM_CR4_ALWAYS_ON : KVM_PMODE_VM_CR4_ALWAYS_ON);
-
- if (cr4 & X86_CR4_VMXE) {
- /*
-diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
-index 32bf19e..e222ba5 100644
---- a/arch/x86/kvm/x86.c
-+++ b/arch/x86/kvm/x86.c
-@@ -5775,7 +5775,6 @@ int kvm_arch_init(void *opaque)
- kvm_set_mmio_spte_mask();
-
- kvm_x86_ops = ops;
-- kvm_init_msr_list();
-
- kvm_mmu_set_mask_ptes(PT_USER_MASK, PT_ACCESSED_MASK,
- PT_DIRTY_MASK, PT64_NX_MASK, 0);
-@@ -7209,7 +7208,14 @@ void kvm_arch_hardware_disable(void)
-
- int kvm_arch_hardware_setup(void)
- {
-- return kvm_x86_ops->hardware_setup();
-+ int r;
-+
-+ r = kvm_x86_ops->hardware_setup();
-+ if (r != 0)
-+ return r;
-+
-+ kvm_init_msr_list();
-+ return 0;
- }
-
- void kvm_arch_hardware_unsetup(void)
-diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c
-index 1313ae6..85994f5 100644
---- a/arch/x86/lib/insn.c
-+++ b/arch/x86/lib/insn.c
-@@ -52,6 +52,13 @@
- */
- void insn_init(struct insn *insn, const void *kaddr, int buf_len, int x86_64)
- {
-+ /*
-+ * Instructions longer than MAX_INSN_SIZE (15 bytes) are invalid
-+ * even if the input buffer is long enough to hold them.
-+ */
-+ if (buf_len > MAX_INSN_SIZE)
-+ buf_len = MAX_INSN_SIZE;
-+
- memset(insn, 0, sizeof(*insn));
- insn->kaddr = kaddr;
- insn->end_kaddr = kaddr + buf_len;
-diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
-index 1f33b3d..0a42327 100644
---- a/arch/x86/lib/usercopy_64.c
-+++ b/arch/x86/lib/usercopy_64.c
-@@ -82,7 +82,7 @@ copy_user_handle_tail(char *to, char *from, unsigned len)
- clac();
-
- /* If the destination is a kernel buffer, we always clear the end */
-- if ((unsigned long)to >= TASK_SIZE_MAX)
-+ if (!__addr_ok(to))
- memset(to, 0, len);
- return len;
- }
-diff --git a/arch/x86/vdso/vclock_gettime.c b/arch/x86/vdso/vclock_gettime.c
-index 9793322..40d2473 100644
---- a/arch/x86/vdso/vclock_gettime.c
-+++ b/arch/x86/vdso/vclock_gettime.c
-@@ -82,18 +82,15 @@ static notrace cycle_t vread_pvclock(int *mode)
- cycle_t ret;
- u64 last;
- u32 version;
-+ u32 migrate_count;
- u8 flags;
- unsigned cpu, cpu1;
-
-
- /*
-- * Note: hypervisor must guarantee that:
-- * 1. cpu ID number maps 1:1 to per-CPU pvclock time info.
-- * 2. that per-CPU pvclock time info is updated if the
-- * underlying CPU changes.
-- * 3. that version is increased whenever underlying CPU
-- * changes.
-- *
-+ * When looping to get a consistent (time-info, tsc) pair, we
-+ * also need to deal with the possibility we can switch vcpus,
-+ * so make sure we always re-fetch time-info for the current vcpu.
- */
- do {
- cpu = __getcpu() & VGETCPU_CPU_MASK;
-@@ -102,20 +99,27 @@ static notrace cycle_t vread_pvclock(int *mode)
- * __getcpu() calls (Gleb).
- */
-
-- pvti = get_pvti(cpu);
-+ /* Make sure migrate_count will change if we leave the VCPU. */
-+ do {
-+ pvti = get_pvti(cpu);
-+ migrate_count = pvti->migrate_count;
-+
-+ cpu1 = cpu;
-+ cpu = __getcpu() & VGETCPU_CPU_MASK;
-+ } while (unlikely(cpu != cpu1));
-
- version = __pvclock_read_cycles(&pvti->pvti, &ret, &flags);
-
- /*
- * Test we're still on the cpu as well as the version.
-- * We could have been migrated just after the first
-- * vgetcpu but before fetching the version, so we
-- * wouldn't notice a version change.
-+ * - We must read TSC of pvti's VCPU.
-+ * - KVM doesn't follow the versioning protocol, so data could
-+ * change before version if we left the VCPU.
- */
-- cpu1 = __getcpu() & VGETCPU_CPU_MASK;
-- } while (unlikely(cpu != cpu1 ||
-- (pvti->pvti.version & 1) ||
-- pvti->pvti.version != version));
-+ smp_rmb();
-+ } while (unlikely((pvti->pvti.version & 1) ||
-+ pvti->pvti.version != version ||
-+ pvti->migrate_count != migrate_count));
-
- if (unlikely(!(flags & PVCLOCK_TSC_STABLE_BIT)))
- *mode = VCLOCK_NONE;
-diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
-index e31d494..87be10e 100644
---- a/arch/xtensa/Kconfig
-+++ b/arch/xtensa/Kconfig
-@@ -428,6 +428,36 @@ config DEFAULT_MEM_SIZE
-
- If unsure, leave the default value here.
-
-+config XTFPGA_LCD
-+ bool "Enable XTFPGA LCD driver"
-+ depends on XTENSA_PLATFORM_XTFPGA
-+ default n
-+ help
-+ There's a 2x16 LCD on most of XTFPGA boards, kernel may output
-+ progress messages there during bootup/shutdown. It may be useful
-+ during board bringup.
-+
-+ If unsure, say N.
-+
-+config XTFPGA_LCD_BASE_ADDR
-+ hex "XTFPGA LCD base address"
-+ depends on XTFPGA_LCD
-+ default "0x0d0c0000"
-+ help
-+ Base address of the LCD controller inside KIO region.
-+ Different boards from XTFPGA family have LCD controller at different
-+ addresses. Please consult prototyping user guide for your board for
-+ the correct address. Wrong address here may lead to hardware lockup.
-+
-+config XTFPGA_LCD_8BIT_ACCESS
-+ bool "Use 8-bit access to XTFPGA LCD"
-+ depends on XTFPGA_LCD
-+ default n
-+ help
-+ LCD may be connected with 4- or 8-bit interface, 8-bit access may
-+ only be used with 8-bit interface. Please consult prototyping user
-+ guide for your board for the correct interface width.
-+
- endmenu
-
- menu "Executable file formats"
-diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h
-index db5bb72..62d8465 100644
---- a/arch/xtensa/include/uapi/asm/unistd.h
-+++ b/arch/xtensa/include/uapi/asm/unistd.h
-@@ -715,7 +715,7 @@ __SYSCALL(323, sys_process_vm_writev, 6)
- __SYSCALL(324, sys_name_to_handle_at, 5)
- #define __NR_open_by_handle_at 325
- __SYSCALL(325, sys_open_by_handle_at, 3)
--#define __NR_sync_file_range 326
-+#define __NR_sync_file_range2 326
- __SYSCALL(326, sys_sync_file_range2, 6)
- #define __NR_perf_event_open 327
- __SYSCALL(327, sys_perf_event_open, 5)
-diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c
-index d05f8fe..17b1ef3 100644
---- a/arch/xtensa/platforms/iss/network.c
-+++ b/arch/xtensa/platforms/iss/network.c
-@@ -349,8 +349,8 @@ static void iss_net_timer(unsigned long priv)
- {
- struct iss_net_private *lp = (struct iss_net_private *)priv;
-
-- spin_lock(&lp->lock);
- iss_net_poll();
-+ spin_lock(&lp->lock);
- mod_timer(&lp->timer, jiffies + lp->timer_val);
- spin_unlock(&lp->lock);
- }
-@@ -361,7 +361,7 @@ static int iss_net_open(struct net_device *dev)
- struct iss_net_private *lp = netdev_priv(dev);
- int err;
-
-- spin_lock(&lp->lock);
-+ spin_lock_bh(&lp->lock);
-
- err = lp->tp.open(lp);
- if (err < 0)
-@@ -376,9 +376,11 @@ static int iss_net_open(struct net_device *dev)
- while ((err = iss_net_rx(dev)) > 0)
- ;
-
-- spin_lock(&opened_lock);
-+ spin_unlock_bh(&lp->lock);
-+ spin_lock_bh(&opened_lock);
- list_add(&lp->opened_list, &opened);
-- spin_unlock(&opened_lock);
-+ spin_unlock_bh(&opened_lock);
-+ spin_lock_bh(&lp->lock);
-
- init_timer(&lp->timer);
- lp->timer_val = ISS_NET_TIMER_VALUE;
-@@ -387,7 +389,7 @@ static int iss_net_open(struct net_device *dev)
- mod_timer(&lp->timer, jiffies + lp->timer_val);
-
- out:
-- spin_unlock(&lp->lock);
-+ spin_unlock_bh(&lp->lock);
- return err;
- }
-
-@@ -395,7 +397,7 @@ static int iss_net_close(struct net_device *dev)
- {
- struct iss_net_private *lp = netdev_priv(dev);
- netif_stop_queue(dev);
-- spin_lock(&lp->lock);
-+ spin_lock_bh(&lp->lock);
-
- spin_lock(&opened_lock);
- list_del(&opened);
-@@ -405,18 +407,17 @@ static int iss_net_close(struct net_device *dev)
-
- lp->tp.close(lp);
-
-- spin_unlock(&lp->lock);
-+ spin_unlock_bh(&lp->lock);
- return 0;
- }
-
- static int iss_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
- {
- struct iss_net_private *lp = netdev_priv(dev);
-- unsigned long flags;
- int len;
-
- netif_stop_queue(dev);
-- spin_lock_irqsave(&lp->lock, flags);
-+ spin_lock_bh(&lp->lock);
-
- len = lp->tp.write(lp, &skb);
-
-@@ -438,7 +439,7 @@ static int iss_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
- pr_err("%s: %s failed(%d)\n", dev->name, __func__, len);
- }
-
-- spin_unlock_irqrestore(&lp->lock, flags);
-+ spin_unlock_bh(&lp->lock);
-
- dev_kfree_skb(skb);
- return NETDEV_TX_OK;
-@@ -466,9 +467,9 @@ static int iss_net_set_mac(struct net_device *dev, void *addr)
-
- if (!is_valid_ether_addr(hwaddr->sa_data))
- return -EADDRNOTAVAIL;
-- spin_lock(&lp->lock);
-+ spin_lock_bh(&lp->lock);
- memcpy(dev->dev_addr, hwaddr->sa_data, ETH_ALEN);
-- spin_unlock(&lp->lock);
-+ spin_unlock_bh(&lp->lock);
- return 0;
- }
-
-@@ -520,11 +521,11 @@ static int iss_net_configure(int index, char *init)
- *lp = (struct iss_net_private) {
- .device_list = LIST_HEAD_INIT(lp->device_list),
- .opened_list = LIST_HEAD_INIT(lp->opened_list),
-- .lock = __SPIN_LOCK_UNLOCKED(lp.lock),
- .dev = dev,
- .index = index,
-- };
-+ };
-
-+ spin_lock_init(&lp->lock);
- /*
- * If this name ends up conflicting with an existing registered
- * netdevice, that is OK, register_netdev{,ice}() will notice this
-diff --git a/arch/xtensa/platforms/xtfpga/Makefile b/arch/xtensa/platforms/xtfpga/Makefile
-index b9ae206..7839d38 100644
---- a/arch/xtensa/platforms/xtfpga/Makefile
-+++ b/arch/xtensa/platforms/xtfpga/Makefile
-@@ -6,4 +6,5 @@
- #
- # Note 2! The CFLAGS definitions are in the main makefile...
-
--obj-y = setup.o lcd.o
-+obj-y += setup.o
-+obj-$(CONFIG_XTFPGA_LCD) += lcd.o
-diff --git a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h
-index 6edd20b..4e0af26 100644
---- a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h
-+++ b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h
-@@ -40,9 +40,6 @@
-
- /* UART */
- #define DUART16552_PADDR (XCHAL_KIO_PADDR + 0x0D050020)
--/* LCD instruction and data addresses. */
--#define LCD_INSTR_ADDR ((char *)IOADDR(0x0D040000))
--#define LCD_DATA_ADDR ((char *)IOADDR(0x0D040004))
-
- /* Misc. */
- #define XTFPGA_FPGAREGS_VADDR IOADDR(0x0D020000)
-diff --git a/arch/xtensa/platforms/xtfpga/include/platform/lcd.h b/arch/xtensa/platforms/xtfpga/include/platform/lcd.h
-index 0e43564..4c8541e 100644
---- a/arch/xtensa/platforms/xtfpga/include/platform/lcd.h
-+++ b/arch/xtensa/platforms/xtfpga/include/platform/lcd.h
-@@ -11,10 +11,25 @@
- #ifndef __XTENSA_XTAVNET_LCD_H
- #define __XTENSA_XTAVNET_LCD_H
-
-+#ifdef CONFIG_XTFPGA_LCD
- /* Display string STR at position POS on the LCD. */
- void lcd_disp_at_pos(char *str, unsigned char pos);
-
- /* Shift the contents of the LCD display left or right. */
- void lcd_shiftleft(void);
- void lcd_shiftright(void);
-+#else
-+static inline void lcd_disp_at_pos(char *str, unsigned char pos)
-+{
-+}
-+
-+static inline void lcd_shiftleft(void)
-+{
-+}
-+
-+static inline void lcd_shiftright(void)
-+{
-+}
-+#endif
-+
- #endif
-diff --git a/arch/xtensa/platforms/xtfpga/lcd.c b/arch/xtensa/platforms/xtfpga/lcd.c
-index 2872301..4dc0c1b 100644
---- a/arch/xtensa/platforms/xtfpga/lcd.c
-+++ b/arch/xtensa/platforms/xtfpga/lcd.c
-@@ -1,50 +1,63 @@
- /*
-- * Driver for the LCD display on the Tensilica LX60 Board.
-+ * Driver for the LCD display on the Tensilica XTFPGA board family.
-+ * http://www.mytechcorp.com/cfdata/productFile/File1/MOC-16216B-B-A0A04.pdf
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2001, 2006 Tensilica Inc.
-+ * Copyright (C) 2015 Cadence Design Systems Inc.
- */
-
--/*
-- *
-- * FIXME: this code is from the examples from the LX60 user guide.
-- *
-- * The lcd_pause function does busy waiting, which is probably not
-- * great. Maybe the code could be changed to use kernel timers, or
-- * change the hardware to not need to wait.
-- */
--
-+#include <linux/delay.h>
- #include <linux/init.h>
- #include <linux/io.h>
-
- #include <platform/hardware.h>
- #include <platform/lcd.h>
--#include <linux/delay.h>
-
--#define LCD_PAUSE_ITERATIONS 4000
-+/* LCD instruction and data addresses. */
-+#define LCD_INSTR_ADDR ((char *)IOADDR(CONFIG_XTFPGA_LCD_BASE_ADDR))
-+#define LCD_DATA_ADDR (LCD_INSTR_ADDR + 4)
-+
- #define LCD_CLEAR 0x1
- #define LCD_DISPLAY_ON 0xc
-
- /* 8bit and 2 lines display */
- #define LCD_DISPLAY_MODE8BIT 0x38
-+#define LCD_DISPLAY_MODE4BIT 0x28
- #define LCD_DISPLAY_POS 0x80
- #define LCD_SHIFT_LEFT 0x18
- #define LCD_SHIFT_RIGHT 0x1c
-
-+static void lcd_put_byte(u8 *addr, u8 data)
-+{
-+#ifdef CONFIG_XTFPGA_LCD_8BIT_ACCESS
-+ ACCESS_ONCE(*addr) = data;
-+#else
-+ ACCESS_ONCE(*addr) = data & 0xf0;
-+ ACCESS_ONCE(*addr) = (data << 4) & 0xf0;
-+#endif
-+}
-+
- static int __init lcd_init(void)
- {
-- *LCD_INSTR_ADDR = LCD_DISPLAY_MODE8BIT;
-+ ACCESS_ONCE(*LCD_INSTR_ADDR) = LCD_DISPLAY_MODE8BIT;
- mdelay(5);
-- *LCD_INSTR_ADDR = LCD_DISPLAY_MODE8BIT;
-+ ACCESS_ONCE(*LCD_INSTR_ADDR) = LCD_DISPLAY_MODE8BIT;
- udelay(200);
-- *LCD_INSTR_ADDR = LCD_DISPLAY_MODE8BIT;
-+ ACCESS_ONCE(*LCD_INSTR_ADDR) = LCD_DISPLAY_MODE8BIT;
-+ udelay(50);
-+#ifndef CONFIG_XTFPGA_LCD_8BIT_ACCESS
-+ ACCESS_ONCE(*LCD_INSTR_ADDR) = LCD_DISPLAY_MODE4BIT;
-+ udelay(50);
-+ lcd_put_byte(LCD_INSTR_ADDR, LCD_DISPLAY_MODE4BIT);
- udelay(50);
-- *LCD_INSTR_ADDR = LCD_DISPLAY_ON;
-+#endif
-+ lcd_put_byte(LCD_INSTR_ADDR, LCD_DISPLAY_ON);
- udelay(50);
-- *LCD_INSTR_ADDR = LCD_CLEAR;
-+ lcd_put_byte(LCD_INSTR_ADDR, LCD_CLEAR);
- mdelay(10);
- lcd_disp_at_pos("XTENSA LINUX", 0);
- return 0;
-@@ -52,10 +65,10 @@ static int __init lcd_init(void)
-
- void lcd_disp_at_pos(char *str, unsigned char pos)
- {
-- *LCD_INSTR_ADDR = LCD_DISPLAY_POS | pos;
-+ lcd_put_byte(LCD_INSTR_ADDR, LCD_DISPLAY_POS | pos);
- udelay(100);
- while (*str != 0) {
-- *LCD_DATA_ADDR = *str;
-+ lcd_put_byte(LCD_DATA_ADDR, *str);
- udelay(200);
- str++;
- }
-@@ -63,13 +76,13 @@ void lcd_disp_at_pos(char *str, unsigned char pos)
-
- void lcd_shiftleft(void)
- {
-- *LCD_INSTR_ADDR = LCD_SHIFT_LEFT;
-+ lcd_put_byte(LCD_INSTR_ADDR, LCD_SHIFT_LEFT);
- udelay(50);
- }
-
- void lcd_shiftright(void)
- {
-- *LCD_INSTR_ADDR = LCD_SHIFT_RIGHT;
-+ lcd_put_byte(LCD_INSTR_ADDR, LCD_SHIFT_RIGHT);
- udelay(50);
- }
-
-diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
-index 5ed064e..ccf7932 100644
---- a/drivers/acpi/acpica/evgpe.c
-+++ b/drivers/acpi/acpica/evgpe.c
-@@ -92,6 +92,7 @@ acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info)
- ACPI_SET_BIT(gpe_register_info->enable_for_run,
- (u8)register_bit);
- }
-+ gpe_register_info->enable_mask = gpe_register_info->enable_for_run;
-
- return_ACPI_STATUS(AE_OK);
- }
-@@ -123,7 +124,7 @@ acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
-
- /* Enable the requested GPE */
-
-- status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE_SAVE);
-+ status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE);
- return_ACPI_STATUS(status);
- }
-
-@@ -202,7 +203,7 @@ acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info)
- if (ACPI_SUCCESS(status)) {
- status =
- acpi_hw_low_set_gpe(gpe_event_info,
-- ACPI_GPE_DISABLE_SAVE);
-+ ACPI_GPE_DISABLE);
- }
-
- if (ACPI_FAILURE(status)) {
-diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
-index 84bc550..af6514e 100644
---- a/drivers/acpi/acpica/hwgpe.c
-+++ b/drivers/acpi/acpica/hwgpe.c
-@@ -89,6 +89,8 @@ u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info)
- * RETURN: Status
- *
- * DESCRIPTION: Enable or disable a single GPE in the parent enable register.
-+ * The enable_mask field of the involved GPE register must be
-+ * updated by the caller if necessary.
- *
- ******************************************************************************/
-
-@@ -119,7 +121,7 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action)
- /* Set or clear just the bit that corresponds to this GPE */
-
- register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info);
-- switch (action & ~ACPI_GPE_SAVE_MASK) {
-+ switch (action) {
- case ACPI_GPE_CONDITIONAL_ENABLE:
-
- /* Only enable if the corresponding enable_mask bit is set */
-@@ -149,9 +151,6 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action)
- /* Write the updated enable mask */
-
- status = acpi_hw_write(enable_mask, &gpe_register_info->enable_address);
-- if (ACPI_SUCCESS(status) && (action & ACPI_GPE_SAVE_MASK)) {
-- gpe_register_info->enable_mask = (u8)enable_mask;
-- }
- return (status);
- }
-
-@@ -286,10 +285,8 @@ acpi_hw_gpe_enable_write(u8 enable_mask,
- {
- acpi_status status;
-
-+ gpe_register_info->enable_mask = enable_mask;
- status = acpi_hw_write(enable_mask, &gpe_register_info->enable_address);
-- if (ACPI_SUCCESS(status)) {
-- gpe_register_info->enable_mask = enable_mask;
-- }
- return (status);
- }
-
-diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
-index 9bad45e..7fbc2b9 100644
---- a/drivers/acpi/acpica/tbinstal.c
-+++ b/drivers/acpi/acpica/tbinstal.c
-@@ -346,7 +346,6 @@ acpi_tb_install_standard_table(acpi_physical_address address,
- */
- acpi_tb_uninstall_table(&new_table_desc);
- *table_index = i;
-- (void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
- return_ACPI_STATUS(AE_OK);
- }
- }
-diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
-index bbca783..349f4fd 100644
---- a/drivers/acpi/scan.c
-+++ b/drivers/acpi/scan.c
-@@ -298,7 +298,11 @@ bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent)
- struct acpi_device_physical_node *pn;
- bool offline = true;
-
-- mutex_lock(&adev->physical_node_lock);
-+ /*
-+ * acpi_container_offline() calls this for all of the container's
-+ * children under the container's physical_node_lock lock.
-+ */
-+ mutex_lock_nested(&adev->physical_node_lock, SINGLE_DEPTH_NESTING);
-
- list_for_each_entry(pn, &adev->physical_node_list, node)
- if (device_supports_offline(pn->dev) && !pn->dev->offline) {
-diff --git a/drivers/base/bus.c b/drivers/base/bus.c
-index 876bae5..79bc203 100644
---- a/drivers/base/bus.c
-+++ b/drivers/base/bus.c
-@@ -515,11 +515,11 @@ int bus_add_device(struct device *dev)
- goto out_put;
- error = device_add_groups(dev, bus->dev_groups);
- if (error)
-- goto out_groups;
-+ goto out_id;
- error = sysfs_create_link(&bus->p->devices_kset->kobj,
- &dev->kobj, dev_name(dev));
- if (error)
-- goto out_id;
-+ goto out_groups;
- error = sysfs_create_link(&dev->kobj,
- &dev->bus->p->subsys.kobj, "subsystem");
- if (error)
-diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
-index 6e64563..9c2ba1c 100644
---- a/drivers/base/cacheinfo.c
-+++ b/drivers/base/cacheinfo.c
-@@ -62,15 +62,21 @@ static int cache_setup_of_node(unsigned int cpu)
- return -ENOENT;
- }
-
-- while (np && index < cache_leaves(cpu)) {
-+ while (index < cache_leaves(cpu)) {
- this_leaf = this_cpu_ci->info_list + index;
- if (this_leaf->level != 1)
- np = of_find_next_cache_node(np);
- else
- np = of_node_get(np);/* cpu node itself */
-+ if (!np)
-+ break;
- this_leaf->of_node = np;
- index++;
- }
-+
-+ if (index != cache_leaves(cpu)) /* not all OF nodes populated */
-+ return -ENOENT;
-+
- return 0;
- }
-
-@@ -189,8 +195,11 @@ static int detect_cache_attributes(unsigned int cpu)
- * will be set up here only if they are not populated already
- */
- ret = cache_shared_cpu_map_setup(cpu);
-- if (ret)
-+ if (ret) {
-+ pr_warn("Unable to detect cache hierarcy from DT for CPU %d\n",
-+ cpu);
- goto free_ci;
-+ }
- return 0;
-
- free_ci:
-diff --git a/drivers/base/platform.c b/drivers/base/platform.c
-index 9421fed..e68ab79 100644
---- a/drivers/base/platform.c
-+++ b/drivers/base/platform.c
-@@ -101,6 +101,15 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
- }
-
- r = platform_get_resource(dev, IORESOURCE_IRQ, num);
-+ /*
-+ * The resources may pass trigger flags to the irqs that need
-+ * to be set up. It so happens that the trigger flags for
-+ * IORESOURCE_BITS correspond 1-to-1 to the IRQF_TRIGGER*
-+ * settings.
-+ */
-+ if (r && r->flags & IORESOURCE_BITS)
-+ irqd_set_trigger_type(irq_get_irq_data(r->start),
-+ r->flags & IORESOURCE_BITS);
-
- return r ? r->start : -ENXIO;
- #endif
-diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
-index de4c849..288547a 100644
---- a/drivers/bluetooth/ath3k.c
-+++ b/drivers/bluetooth/ath3k.c
-@@ -65,6 +65,7 @@ static const struct usb_device_id ath3k_table[] = {
- /* Atheros AR3011 with sflash firmware*/
- { USB_DEVICE(0x0489, 0xE027) },
- { USB_DEVICE(0x0489, 0xE03D) },
-+ { USB_DEVICE(0x04F2, 0xAFF1) },
- { USB_DEVICE(0x0930, 0x0215) },
- { USB_DEVICE(0x0CF3, 0x3002) },
- { USB_DEVICE(0x0CF3, 0xE019) },
-diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
-index 8bfc4c2..2c527da 100644
---- a/drivers/bluetooth/btusb.c
-+++ b/drivers/bluetooth/btusb.c
-@@ -159,6 +159,7 @@ static const struct usb_device_id blacklist_table[] = {
- /* Atheros 3011 with sflash firmware */
- { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
- { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
-+ { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
- { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
- { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
- { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
-diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
-index e096e9c..283f00a 100644
---- a/drivers/char/tpm/tpm-chip.c
-+++ b/drivers/char/tpm/tpm-chip.c
-@@ -170,6 +170,41 @@ static void tpm_dev_del_device(struct tpm_chip *chip)
- device_unregister(&chip->dev);
- }
-
-+static int tpm1_chip_register(struct tpm_chip *chip)
-+{
-+ int rc;
-+
-+ if (chip->flags & TPM_CHIP_FLAG_TPM2)
-+ return 0;
-+
-+ rc = tpm_sysfs_add_device(chip);
-+ if (rc)
-+ return rc;
-+
-+ rc = tpm_add_ppi(chip);
-+ if (rc) {
-+ tpm_sysfs_del_device(chip);
-+ return rc;
-+ }
-+
-+ chip->bios_dir = tpm_bios_log_setup(chip->devname);
-+
-+ return 0;
-+}
-+
-+static void tpm1_chip_unregister(struct tpm_chip *chip)
-+{
-+ if (chip->flags & TPM_CHIP_FLAG_TPM2)
-+ return;
-+
-+ if (chip->bios_dir)
-+ tpm_bios_log_teardown(chip->bios_dir);
-+
-+ tpm_remove_ppi(chip);
-+
-+ tpm_sysfs_del_device(chip);
-+}
-+
- /*
- * tpm_chip_register() - create a character device for the TPM chip
- * @chip: TPM chip to use.
-@@ -185,22 +220,13 @@ int tpm_chip_register(struct tpm_chip *chip)
- {
- int rc;
-
-- /* Populate sysfs for TPM1 devices. */
-- if (!(chip->flags & TPM_CHIP_FLAG_TPM2)) {
-- rc = tpm_sysfs_add_device(chip);
-- if (rc)
-- goto del_misc;
--
-- rc = tpm_add_ppi(chip);
-- if (rc)
-- goto del_sysfs;
--
-- chip->bios_dir = tpm_bios_log_setup(chip->devname);
-- }
-+ rc = tpm1_chip_register(chip);
-+ if (rc)
-+ return rc;
-
- rc = tpm_dev_add_device(chip);
- if (rc)
-- return rc;
-+ goto out_err;
-
- /* Make the chip available. */
- spin_lock(&driver_lock);
-@@ -210,10 +236,8 @@ int tpm_chip_register(struct tpm_chip *chip)
- chip->flags |= TPM_CHIP_FLAG_REGISTERED;
-
- return 0;
--del_sysfs:
-- tpm_sysfs_del_device(chip);
--del_misc:
-- tpm_dev_del_device(chip);
-+out_err:
-+ tpm1_chip_unregister(chip);
- return rc;
- }
- EXPORT_SYMBOL_GPL(tpm_chip_register);
-@@ -238,13 +262,7 @@ void tpm_chip_unregister(struct tpm_chip *chip)
- spin_unlock(&driver_lock);
- synchronize_rcu();
-
-- if (!(chip->flags & TPM_CHIP_FLAG_TPM2)) {
-- if (chip->bios_dir)
-- tpm_bios_log_teardown(chip->bios_dir);
-- tpm_remove_ppi(chip);
-- tpm_sysfs_del_device(chip);
-- }
--
-+ tpm1_chip_unregister(chip);
- tpm_dev_del_device(chip);
- }
- EXPORT_SYMBOL_GPL(tpm_chip_unregister);
-diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
-index a23ac0c..0b7c3e8 100644
---- a/drivers/clk/at91/clk-usb.c
-+++ b/drivers/clk/at91/clk-usb.c
-@@ -56,22 +56,55 @@ static unsigned long at91sam9x5_clk_usb_recalc_rate(struct clk_hw *hw,
- return DIV_ROUND_CLOSEST(parent_rate, (usbdiv + 1));
- }
-
--static long at91sam9x5_clk_usb_round_rate(struct clk_hw *hw, unsigned long rate,
-- unsigned long *parent_rate)
-+static long at91sam9x5_clk_usb_determine_rate(struct clk_hw *hw,
-+ unsigned long rate,
-+ unsigned long min_rate,
-+ unsigned long max_rate,
-+ unsigned long *best_parent_rate,
-+ struct clk_hw **best_parent_hw)
- {
-- unsigned long div;
-+ struct clk *parent = NULL;
-+ long best_rate = -EINVAL;
-+ unsigned long tmp_rate;
-+ int best_diff = -1;
-+ int tmp_diff;
-+ int i;
-
-- if (!rate)
-- return -EINVAL;
-+ for (i = 0; i < __clk_get_num_parents(hw->clk); i++) {
-+ int div;
-
-- if (rate >= *parent_rate)
-- return *parent_rate;
-+ parent = clk_get_parent_by_index(hw->clk, i);
-+ if (!parent)
-+ continue;
-+
-+ for (div = 1; div < SAM9X5_USB_MAX_DIV + 2; div++) {
-+ unsigned long tmp_parent_rate;
-+
-+ tmp_parent_rate = rate * div;
-+ tmp_parent_rate = __clk_round_rate(parent,
-+ tmp_parent_rate);
-+ tmp_rate = DIV_ROUND_CLOSEST(tmp_parent_rate, div);
-+ if (tmp_rate < rate)
-+ tmp_diff = rate - tmp_rate;
-+ else
-+ tmp_diff = tmp_rate - rate;
-+
-+ if (best_diff < 0 || best_diff > tmp_diff) {
-+ best_rate = tmp_rate;
-+ best_diff = tmp_diff;
-+ *best_parent_rate = tmp_parent_rate;
-+ *best_parent_hw = __clk_get_hw(parent);
-+ }
-+
-+ if (!best_diff || tmp_rate < rate)
-+ break;
-+ }
-
-- div = DIV_ROUND_CLOSEST(*parent_rate, rate);
-- if (div > SAM9X5_USB_MAX_DIV + 1)
-- div = SAM9X5_USB_MAX_DIV + 1;
-+ if (!best_diff)
-+ break;
-+ }
-
-- return DIV_ROUND_CLOSEST(*parent_rate, div);
-+ return best_rate;
- }
-
- static int at91sam9x5_clk_usb_set_parent(struct clk_hw *hw, u8 index)
-@@ -121,7 +154,7 @@ static int at91sam9x5_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
-
- static const struct clk_ops at91sam9x5_usb_ops = {
- .recalc_rate = at91sam9x5_clk_usb_recalc_rate,
-- .round_rate = at91sam9x5_clk_usb_round_rate,
-+ .determine_rate = at91sam9x5_clk_usb_determine_rate,
- .get_parent = at91sam9x5_clk_usb_get_parent,
- .set_parent = at91sam9x5_clk_usb_set_parent,
- .set_rate = at91sam9x5_clk_usb_set_rate,
-@@ -159,7 +192,7 @@ static const struct clk_ops at91sam9n12_usb_ops = {
- .disable = at91sam9n12_clk_usb_disable,
- .is_enabled = at91sam9n12_clk_usb_is_enabled,
- .recalc_rate = at91sam9x5_clk_usb_recalc_rate,
-- .round_rate = at91sam9x5_clk_usb_round_rate,
-+ .determine_rate = at91sam9x5_clk_usb_determine_rate,
- .set_rate = at91sam9x5_clk_usb_set_rate,
- };
-
-@@ -179,7 +212,8 @@ at91sam9x5_clk_register_usb(struct at91_pmc *pmc, const char *name,
- init.ops = &at91sam9x5_usb_ops;
- init.parent_names = parent_names;
- init.num_parents = num_parents;
-- init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE;
-+ init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
-+ CLK_SET_RATE_PARENT;
-
- usb->hw.init = &init;
- usb->pmc = pmc;
-@@ -207,7 +241,7 @@ at91sam9n12_clk_register_usb(struct at91_pmc *pmc, const char *name,
- init.ops = &at91sam9n12_usb_ops;
- init.parent_names = &parent_name;
- init.num_parents = 1;
-- init.flags = CLK_SET_RATE_GATE;
-+ init.flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT;
-
- usb->hw.init = &init;
- usb->pmc = pmc;
-diff --git a/drivers/clk/qcom/clk-rcg.c b/drivers/clk/qcom/clk-rcg.c
-index 0039bd7..466f30c 100644
---- a/drivers/clk/qcom/clk-rcg.c
-+++ b/drivers/clk/qcom/clk-rcg.c
-@@ -495,6 +495,57 @@ static int clk_rcg_bypass_set_rate(struct clk_hw *hw, unsigned long rate,
- return __clk_rcg_set_rate(rcg, rcg->freq_tbl);
- }
-
-+/*
-+ * This type of clock has a glitch-free mux that switches between the output of
-+ * the M/N counter and an always on clock source (XO). When clk_set_rate() is
-+ * called we need to make sure that we don't switch to the M/N counter if it
-+ * isn't clocking because the mux will get stuck and the clock will stop
-+ * outputting a clock. This can happen if the framework isn't aware that this
-+ * clock is on and so clk_set_rate() doesn't turn on the new parent. To fix
-+ * this we switch the mux in the enable/disable ops and reprogram the M/N
-+ * counter in the set_rate op. We also make sure to switch away from the M/N
-+ * counter in set_rate if software thinks the clock is off.
-+ */
-+static int clk_rcg_lcc_set_rate(struct clk_hw *hw, unsigned long rate,
-+ unsigned long parent_rate)
-+{
-+ struct clk_rcg *rcg = to_clk_rcg(hw);
-+ const struct freq_tbl *f;
-+ int ret;
-+ u32 gfm = BIT(10);
-+
-+ f = qcom_find_freq(rcg->freq_tbl, rate);
-+ if (!f)
-+ return -EINVAL;
-+
-+ /* Switch to XO to avoid glitches */
-+ regmap_update_bits(rcg->clkr.regmap, rcg->ns_reg, gfm, 0);
-+ ret = __clk_rcg_set_rate(rcg, f);
-+ /* Switch back to M/N if it's clocking */
-+ if (__clk_is_enabled(hw->clk))
-+ regmap_update_bits(rcg->clkr.regmap, rcg->ns_reg, gfm, gfm);
-+
-+ return ret;
-+}
-+
-+static int clk_rcg_lcc_enable(struct clk_hw *hw)
-+{
-+ struct clk_rcg *rcg = to_clk_rcg(hw);
-+ u32 gfm = BIT(10);
-+
-+ /* Use M/N */
-+ return regmap_update_bits(rcg->clkr.regmap, rcg->ns_reg, gfm, gfm);
-+}
-+
-+static void clk_rcg_lcc_disable(struct clk_hw *hw)
-+{
-+ struct clk_rcg *rcg = to_clk_rcg(hw);
-+ u32 gfm = BIT(10);
-+
-+ /* Use XO */
-+ regmap_update_bits(rcg->clkr.regmap, rcg->ns_reg, gfm, 0);
-+}
-+
- static int __clk_dyn_rcg_set_rate(struct clk_hw *hw, unsigned long rate)
- {
- struct clk_dyn_rcg *rcg = to_clk_dyn_rcg(hw);
-@@ -543,6 +594,17 @@ const struct clk_ops clk_rcg_bypass_ops = {
- };
- EXPORT_SYMBOL_GPL(clk_rcg_bypass_ops);
-
-+const struct clk_ops clk_rcg_lcc_ops = {
-+ .enable = clk_rcg_lcc_enable,
-+ .disable = clk_rcg_lcc_disable,
-+ .get_parent = clk_rcg_get_parent,
-+ .set_parent = clk_rcg_set_parent,
-+ .recalc_rate = clk_rcg_recalc_rate,
-+ .determine_rate = clk_rcg_determine_rate,
-+ .set_rate = clk_rcg_lcc_set_rate,
-+};
-+EXPORT_SYMBOL_GPL(clk_rcg_lcc_ops);
-+
- const struct clk_ops clk_dyn_rcg_ops = {
- .enable = clk_enable_regmap,
- .is_enabled = clk_is_enabled_regmap,
-diff --git a/drivers/clk/qcom/clk-rcg.h b/drivers/clk/qcom/clk-rcg.h
-index 687e41f..d09d06b 100644
---- a/drivers/clk/qcom/clk-rcg.h
-+++ b/drivers/clk/qcom/clk-rcg.h
-@@ -96,6 +96,7 @@ struct clk_rcg {
-
- extern const struct clk_ops clk_rcg_ops;
- extern const struct clk_ops clk_rcg_bypass_ops;
-+extern const struct clk_ops clk_rcg_lcc_ops;
-
- #define to_clk_rcg(_hw) container_of(to_clk_regmap(_hw), struct clk_rcg, clkr)
-
-diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c
-index 742acfa..381f274 100644
---- a/drivers/clk/qcom/clk-rcg2.c
-+++ b/drivers/clk/qcom/clk-rcg2.c
-@@ -243,7 +243,7 @@ static int clk_rcg2_configure(struct clk_rcg2 *rcg, const struct freq_tbl *f)
- mask |= CFG_SRC_SEL_MASK | CFG_MODE_MASK;
- cfg = f->pre_div << CFG_SRC_DIV_SHIFT;
- cfg |= rcg->parent_map[f->src] << CFG_SRC_SEL_SHIFT;
-- if (rcg->mnd_width && f->n)
-+ if (rcg->mnd_width && f->n && (f->m != f->n))
- cfg |= CFG_MODE_DUAL_EDGE;
- ret = regmap_update_bits(rcg->clkr.regmap,
- rcg->cmd_rcgr + CFG_REG, mask, cfg);
-diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c
-index cbdc31d..a015bb0 100644
---- a/drivers/clk/qcom/gcc-ipq806x.c
-+++ b/drivers/clk/qcom/gcc-ipq806x.c
-@@ -525,8 +525,8 @@ static struct freq_tbl clk_tbl_gsbi_qup[] = {
- { 10800000, P_PXO, 1, 2, 5 },
- { 15060000, P_PLL8, 1, 2, 51 },
- { 24000000, P_PLL8, 4, 1, 4 },
-+ { 25000000, P_PXO, 1, 0, 0 },
- { 25600000, P_PLL8, 1, 1, 15 },
-- { 27000000, P_PXO, 1, 0, 0 },
- { 48000000, P_PLL8, 4, 1, 2 },
- { 51200000, P_PLL8, 1, 2, 15 },
- { }
-diff --git a/drivers/clk/qcom/lcc-ipq806x.c b/drivers/clk/qcom/lcc-ipq806x.c
-index c9ff27b..a6d3a67 100644
---- a/drivers/clk/qcom/lcc-ipq806x.c
-+++ b/drivers/clk/qcom/lcc-ipq806x.c
-@@ -294,14 +294,14 @@ static struct clk_regmap_mux pcm_clk = {
- };
-
- static struct freq_tbl clk_tbl_aif_osr[] = {
-- { 22050, P_PLL4, 1, 147, 20480 },
-- { 32000, P_PLL4, 1, 1, 96 },
-- { 44100, P_PLL4, 1, 147, 10240 },
-- { 48000, P_PLL4, 1, 1, 64 },
-- { 88200, P_PLL4, 1, 147, 5120 },
-- { 96000, P_PLL4, 1, 1, 32 },
-- { 176400, P_PLL4, 1, 147, 2560 },
-- { 192000, P_PLL4, 1, 1, 16 },
-+ { 2822400, P_PLL4, 1, 147, 20480 },
-+ { 4096000, P_PLL4, 1, 1, 96 },
-+ { 5644800, P_PLL4, 1, 147, 10240 },
-+ { 6144000, P_PLL4, 1, 1, 64 },
-+ { 11289600, P_PLL4, 1, 147, 5120 },
-+ { 12288000, P_PLL4, 1, 1, 32 },
-+ { 22579200, P_PLL4, 1, 147, 2560 },
-+ { 24576000, P_PLL4, 1, 1, 16 },
- { },
- };
-
-@@ -360,7 +360,7 @@ static struct clk_branch spdif_clk = {
- };
-
- static struct freq_tbl clk_tbl_ahbix[] = {
-- { 131072, P_PLL4, 1, 1, 3 },
-+ { 131072000, P_PLL4, 1, 1, 3 },
- { },
- };
-
-@@ -386,13 +386,12 @@ static struct clk_rcg ahbix_clk = {
- .freq_tbl = clk_tbl_ahbix,
- .clkr = {
- .enable_reg = 0x38,
-- .enable_mask = BIT(10), /* toggle the gfmux to select mn/pxo */
-+ .enable_mask = BIT(11),
- .hw.init = &(struct clk_init_data){
- .name = "ahbix",
- .parent_names = lcc_pxo_pll4,
- .num_parents = 2,
-- .ops = &clk_rcg_ops,
-- .flags = CLK_SET_RATE_GATE,
-+ .ops = &clk_rcg_lcc_ops,
- },
- },
- };
-diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
-index 51462e8..714d6ba 100644
---- a/drivers/clk/samsung/clk-exynos4.c
-+++ b/drivers/clk/samsung/clk-exynos4.c
-@@ -1354,7 +1354,7 @@ static struct samsung_pll_clock exynos4x12_plls[nr_plls] __initdata = {
- VPLL_LOCK, VPLL_CON0, NULL),
- };
-
--static void __init exynos4_core_down_clock(enum exynos4_soc soc)
-+static void __init exynos4x12_core_down_clock(void)
- {
- unsigned int tmp;
-
-@@ -1373,11 +1373,9 @@ static void __init exynos4_core_down_clock(enum exynos4_soc soc)
- __raw_writel(tmp, reg_base + PWR_CTRL1);
-
- /*
-- * Disable the clock up feature on Exynos4x12, in case it was
-- * enabled by bootloader.
-+ * Disable the clock up feature in case it was enabled by bootloader.
- */
-- if (exynos4_soc == EXYNOS4X12)
-- __raw_writel(0x0, reg_base + E4X12_PWR_CTRL2);
-+ __raw_writel(0x0, reg_base + E4X12_PWR_CTRL2);
- }
-
- /* register exynos4 clocks */
-@@ -1474,7 +1472,8 @@ static void __init exynos4_clk_init(struct device_node *np,
- samsung_clk_register_alias(ctx, exynos4_aliases,
- ARRAY_SIZE(exynos4_aliases));
-
-- exynos4_core_down_clock(soc);
-+ if (soc == EXYNOS4X12)
-+ exynos4x12_core_down_clock();
- exynos4_clk_sleep_init();
-
- samsung_clk_of_add_provider(np, ctx);
-diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
-index 9a893f2..23ce0af 100644
---- a/drivers/clk/tegra/clk-tegra124.c
-+++ b/drivers/clk/tegra/clk-tegra124.c
-@@ -1110,16 +1110,18 @@ static __init void tegra124_periph_clk_init(void __iomem *clk_base,
- 1, 2);
- clks[TEGRA124_CLK_XUSB_SS_DIV2] = clk;
-
-- clk = clk_register_gate(NULL, "plld_dsi", "plld_out0", 0,
-+ clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
- clk_base + PLLD_MISC, 30, 0, &pll_d_lock);
-- clks[TEGRA124_CLK_PLLD_DSI] = clk;
-+ clks[TEGRA124_CLK_PLL_D_DSI_OUT] = clk;
-
-- clk = tegra_clk_register_periph_gate("dsia", "plld_dsi", 0, clk_base,
-- 0, 48, periph_clk_enb_refcnt);
-+ clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
-+ clk_base, 0, 48,
-+ periph_clk_enb_refcnt);
- clks[TEGRA124_CLK_DSIA] = clk;
-
-- clk = tegra_clk_register_periph_gate("dsib", "plld_dsi", 0, clk_base,
-- 0, 82, periph_clk_enb_refcnt);
-+ clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
-+ clk_base, 0, 82,
-+ periph_clk_enb_refcnt);
- clks[TEGRA124_CLK_DSIB] = clk;
-
- /* emc mux */
-diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
-index 9ddb754..7a1df61 100644
---- a/drivers/clk/tegra/clk.c
-+++ b/drivers/clk/tegra/clk.c
-@@ -272,7 +272,7 @@ void __init tegra_add_of_provider(struct device_node *np)
- of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
-
- rst_ctlr.of_node = np;
-- rst_ctlr.nr_resets = clk_num * 32;
-+ rst_ctlr.nr_resets = periph_banks * 32;
- reset_controller_register(&rst_ctlr);
- }
-
-diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c
-index 42f95a4..9a28b7e 100644
---- a/drivers/crypto/omap-aes.c
-+++ b/drivers/crypto/omap-aes.c
-@@ -554,15 +554,23 @@ static int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd)
- return err;
- }
-
--static int omap_aes_check_aligned(struct scatterlist *sg)
-+static int omap_aes_check_aligned(struct scatterlist *sg, int total)
- {
-+ int len = 0;
-+
- while (sg) {
- if (!IS_ALIGNED(sg->offset, 4))
- return -1;
- if (!IS_ALIGNED(sg->length, AES_BLOCK_SIZE))
- return -1;
-+
-+ len += sg->length;
- sg = sg_next(sg);
- }
-+
-+ if (len != total)
-+ return -1;
-+
- return 0;
- }
-
-@@ -633,8 +641,8 @@ static int omap_aes_handle_queue(struct omap_aes_dev *dd,
- dd->in_sg = req->src;
- dd->out_sg = req->dst;
-
-- if (omap_aes_check_aligned(dd->in_sg) ||
-- omap_aes_check_aligned(dd->out_sg)) {
-+ if (omap_aes_check_aligned(dd->in_sg, dd->total) ||
-+ omap_aes_check_aligned(dd->out_sg, dd->total)) {
- if (omap_aes_copy_sgs(dd))
- pr_err("Failed to copy SGs for unaligned cases\n");
- dd->sgs_copied = 1;
-diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
-index d0bc123..1a54205 100644
---- a/drivers/gpio/gpio-mvebu.c
-+++ b/drivers/gpio/gpio-mvebu.c
-@@ -320,11 +320,13 @@ static void mvebu_gpio_edge_irq_mask(struct irq_data *d)
- {
- struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
- struct mvebu_gpio_chip *mvchip = gc->private;
-+ struct irq_chip_type *ct = irq_data_get_chip_type(d);
- u32 mask = 1 << (d->irq - gc->irq_base);
-
- irq_gc_lock(gc);
-- gc->mask_cache &= ~mask;
-- writel_relaxed(gc->mask_cache, mvebu_gpioreg_edge_mask(mvchip));
-+ ct->mask_cache_priv &= ~mask;
-+
-+ writel_relaxed(ct->mask_cache_priv, mvebu_gpioreg_edge_mask(mvchip));
- irq_gc_unlock(gc);
- }
-
-@@ -332,11 +334,13 @@ static void mvebu_gpio_edge_irq_unmask(struct irq_data *d)
- {
- struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
- struct mvebu_gpio_chip *mvchip = gc->private;
-+ struct irq_chip_type *ct = irq_data_get_chip_type(d);
-+
- u32 mask = 1 << (d->irq - gc->irq_base);
-
- irq_gc_lock(gc);
-- gc->mask_cache |= mask;
-- writel_relaxed(gc->mask_cache, mvebu_gpioreg_edge_mask(mvchip));
-+ ct->mask_cache_priv |= mask;
-+ writel_relaxed(ct->mask_cache_priv, mvebu_gpioreg_edge_mask(mvchip));
- irq_gc_unlock(gc);
- }
-
-@@ -344,11 +348,13 @@ static void mvebu_gpio_level_irq_mask(struct irq_data *d)
- {
- struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
- struct mvebu_gpio_chip *mvchip = gc->private;
-+ struct irq_chip_type *ct = irq_data_get_chip_type(d);
-+
- u32 mask = 1 << (d->irq - gc->irq_base);
-
- irq_gc_lock(gc);
-- gc->mask_cache &= ~mask;
-- writel_relaxed(gc->mask_cache, mvebu_gpioreg_level_mask(mvchip));
-+ ct->mask_cache_priv &= ~mask;
-+ writel_relaxed(ct->mask_cache_priv, mvebu_gpioreg_level_mask(mvchip));
- irq_gc_unlock(gc);
- }
-
-@@ -356,11 +362,13 @@ static void mvebu_gpio_level_irq_unmask(struct irq_data *d)
- {
- struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
- struct mvebu_gpio_chip *mvchip = gc->private;
-+ struct irq_chip_type *ct = irq_data_get_chip_type(d);
-+
- u32 mask = 1 << (d->irq - gc->irq_base);
-
- irq_gc_lock(gc);
-- gc->mask_cache |= mask;
-- writel_relaxed(gc->mask_cache, mvebu_gpioreg_level_mask(mvchip));
-+ ct->mask_cache_priv |= mask;
-+ writel_relaxed(ct->mask_cache_priv, mvebu_gpioreg_level_mask(mvchip));
- irq_gc_unlock(gc);
- }
-
-diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
-index bf17a60..1dbfba5 100644
---- a/drivers/gpu/drm/exynos/exynos_dp_core.c
-+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
-@@ -32,10 +32,16 @@
- #include <drm/bridge/ptn3460.h>
-
- #include "exynos_dp_core.h"
-+#include "exynos_drm_fimd.h"
-
- #define ctx_from_connector(c) container_of(c, struct exynos_dp_device, \
- connector)
-
-+static inline struct exynos_drm_crtc *dp_to_crtc(struct exynos_dp_device *dp)
-+{
-+ return to_exynos_crtc(dp->encoder->crtc);
-+}
-+
- static inline struct exynos_dp_device *
- display_to_dp(struct exynos_drm_display *d)
- {
-@@ -1070,6 +1076,8 @@ static void exynos_dp_poweron(struct exynos_dp_device *dp)
- }
- }
-
-+ fimd_dp_clock_enable(dp_to_crtc(dp), true);
-+
- clk_prepare_enable(dp->clock);
- exynos_dp_phy_init(dp);
- exynos_dp_init_dp(dp);
-@@ -1094,6 +1102,8 @@ static void exynos_dp_poweroff(struct exynos_dp_device *dp)
- exynos_dp_phy_exit(dp);
- clk_disable_unprepare(dp->clock);
-
-+ fimd_dp_clock_enable(dp_to_crtc(dp), false);
-+
- if (dp->panel) {
- if (drm_panel_unprepare(dp->panel))
- DRM_ERROR("failed to turnoff the panel\n");
-diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
-index 33a10ce..5d58f6c 100644
---- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
-+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
-@@ -32,6 +32,7 @@
- #include "exynos_drm_fbdev.h"
- #include "exynos_drm_crtc.h"
- #include "exynos_drm_iommu.h"
-+#include "exynos_drm_fimd.h"
-
- /*
- * FIMD stands for Fully Interactive Mobile Display and
-@@ -1233,6 +1234,24 @@ static int fimd_remove(struct platform_device *pdev)
- return 0;
- }
-
-+void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable)
-+{
-+ struct fimd_context *ctx = crtc->ctx;
-+ u32 val;
-+
-+ /*
-+ * Only Exynos 5250, 5260, 5410 and 542x requires enabling DP/MIE
-+ * clock. On these SoCs the bootloader may enable it but any
-+ * power domain off/on will reset it to disable state.
-+ */
-+ if (ctx->driver_data != &exynos5_fimd_driver_data)
-+ return;
-+
-+ val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
-+ writel(DP_MIE_CLK_DP_ENABLE, ctx->regs + DP_MIE_CLKCON);
-+}
-+EXPORT_SYMBOL_GPL(fimd_dp_clock_enable);
-+
- struct platform_driver fimd_driver = {
- .probe = fimd_probe,
- .remove = fimd_remove,
-diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.h b/drivers/gpu/drm/exynos/exynos_drm_fimd.h
-new file mode 100644
-index 0000000..b4fcaa5
---- /dev/null
-+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.h
-@@ -0,0 +1,15 @@
-+/*
-+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2 of the License, or (at your
-+ * option) any later version.
-+ */
-+
-+#ifndef _EXYNOS_DRM_FIMD_H_
-+#define _EXYNOS_DRM_FIMD_H_
-+
-+extern void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable);
-+
-+#endif /* _EXYNOS_DRM_FIMD_H_ */
-diff --git a/drivers/gpu/drm/i2c/adv7511.c b/drivers/gpu/drm/i2c/adv7511.c
-index fa140e0..60ab1f7 100644
---- a/drivers/gpu/drm/i2c/adv7511.c
-+++ b/drivers/gpu/drm/i2c/adv7511.c
-@@ -33,6 +33,7 @@ struct adv7511 {
-
- unsigned int current_edid_segment;
- uint8_t edid_buf[256];
-+ bool edid_read;
-
- wait_queue_head_t wq;
- struct drm_encoder *encoder;
-@@ -379,69 +380,71 @@ static bool adv7511_hpd(struct adv7511 *adv7511)
- return false;
- }
-
--static irqreturn_t adv7511_irq_handler(int irq, void *devid)
--{
-- struct adv7511 *adv7511 = devid;
--
-- if (adv7511_hpd(adv7511))
-- drm_helper_hpd_irq_event(adv7511->encoder->dev);
--
-- wake_up_all(&adv7511->wq);
--
-- return IRQ_HANDLED;
--}
--
--static unsigned int adv7511_is_interrupt_pending(struct adv7511 *adv7511,
-- unsigned int irq)
-+static int adv7511_irq_process(struct adv7511 *adv7511)
- {
- unsigned int irq0, irq1;
-- unsigned int pending;
- int ret;
-
- ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(0), &irq0);
- if (ret < 0)
-- return 0;
-+ return ret;
-+
- ret = regmap_read(adv7511->regmap, ADV7511_REG_INT(1), &irq1);
- if (ret < 0)
-- return 0;
-+ return ret;
-+
-+ regmap_write(adv7511->regmap, ADV7511_REG_INT(0), irq0);
-+ regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1);
-+
-+ if (irq0 & ADV7511_INT0_HDP)
-+ drm_helper_hpd_irq_event(adv7511->encoder->dev);
-+
-+ if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) {
-+ adv7511->edid_read = true;
-+
-+ if (adv7511->i2c_main->irq)
-+ wake_up_all(&adv7511->wq);
-+ }
-+
-+ return 0;
-+}
-
-- pending = (irq1 << 8) | irq0;
-+static irqreturn_t adv7511_irq_handler(int irq, void *devid)
-+{
-+ struct adv7511 *adv7511 = devid;
-+ int ret;
-
-- return pending & irq;
-+ ret = adv7511_irq_process(adv7511);
-+ return ret < 0 ? IRQ_NONE : IRQ_HANDLED;
- }
-
--static int adv7511_wait_for_interrupt(struct adv7511 *adv7511, int irq,
-- int timeout)
-+/* -----------------------------------------------------------------------------
-+ * EDID retrieval
-+ */
-+
-+static int adv7511_wait_for_edid(struct adv7511 *adv7511, int timeout)
- {
-- unsigned int pending;
- int ret;
-
- if (adv7511->i2c_main->irq) {
- ret = wait_event_interruptible_timeout(adv7511->wq,
-- adv7511_is_interrupt_pending(adv7511, irq),
-- msecs_to_jiffies(timeout));
-- if (ret <= 0)
-- return 0;
-- pending = adv7511_is_interrupt_pending(adv7511, irq);
-+ adv7511->edid_read, msecs_to_jiffies(timeout));
- } else {
-- if (timeout < 25)
-- timeout = 25;
-- do {
-- pending = adv7511_is_interrupt_pending(adv7511, irq);
-- if (pending)
-+ for (; timeout > 0; timeout -= 25) {
-+ ret = adv7511_irq_process(adv7511);
-+ if (ret < 0)
- break;
-+
-+ if (adv7511->edid_read)
-+ break;
-+
- msleep(25);
-- timeout -= 25;
-- } while (timeout >= 25);
-+ }
- }
-
-- return pending;
-+ return adv7511->edid_read ? 0 : -EIO;
- }
-
--/* -----------------------------------------------------------------------------
-- * EDID retrieval
-- */
--
- static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block,
- size_t len)
- {
-@@ -463,19 +466,14 @@ static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block,
- return ret;
-
- if (status != 2) {
-+ adv7511->edid_read = false;
- regmap_write(adv7511->regmap, ADV7511_REG_EDID_SEGMENT,
- block);
-- ret = adv7511_wait_for_interrupt(adv7511,
-- ADV7511_INT0_EDID_READY |
-- ADV7511_INT1_DDC_ERROR, 200);
--
-- if (!(ret & ADV7511_INT0_EDID_READY))
-- return -EIO;
-+ ret = adv7511_wait_for_edid(adv7511, 200);
-+ if (ret < 0)
-+ return ret;
- }
-
-- regmap_write(adv7511->regmap, ADV7511_REG_INT(0),
-- ADV7511_INT0_EDID_READY | ADV7511_INT1_DDC_ERROR);
--
- /* Break this apart, hopefully more I2C controllers will
- * support 64 byte transfers than 256 byte transfers
- */
-@@ -528,7 +526,9 @@ static int adv7511_get_modes(struct drm_encoder *encoder,
- /* Reading the EDID only works if the device is powered */
- if (adv7511->dpms_mode != DRM_MODE_DPMS_ON) {
- regmap_write(adv7511->regmap, ADV7511_REG_INT(0),
-- ADV7511_INT0_EDID_READY | ADV7511_INT1_DDC_ERROR);
-+ ADV7511_INT0_EDID_READY);
-+ regmap_write(adv7511->regmap, ADV7511_REG_INT(1),
-+ ADV7511_INT1_DDC_ERROR);
- regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
- ADV7511_POWER_POWER_DOWN, 0);
- adv7511->current_edid_segment = -1;
-@@ -563,7 +563,9 @@ static void adv7511_encoder_dpms(struct drm_encoder *encoder, int mode)
- adv7511->current_edid_segment = -1;
-
- regmap_write(adv7511->regmap, ADV7511_REG_INT(0),
-- ADV7511_INT0_EDID_READY | ADV7511_INT1_DDC_ERROR);
-+ ADV7511_INT0_EDID_READY);
-+ regmap_write(adv7511->regmap, ADV7511_REG_INT(1),
-+ ADV7511_INT1_DDC_ERROR);
- regmap_update_bits(adv7511->regmap, ADV7511_REG_POWER,
- ADV7511_POWER_POWER_DOWN, 0);
- /*
-diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
-index 5c66b56..ec4d932 100644
---- a/drivers/gpu/drm/i915/i915_drv.c
-+++ b/drivers/gpu/drm/i915/i915_drv.c
-@@ -1042,7 +1042,7 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv)
- s->lra_limits[i] = I915_READ(GEN7_LRA_LIMITS_BASE + i * 4);
-
- s->media_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT);
-- s->gfx_max_req_count = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT);
-+ s->gfx_max_req_count = I915_READ(GEN7_GFX_MAX_REQ_COUNT);
-
- s->render_hwsp = I915_READ(RENDER_HWS_PGA_GEN7);
- s->ecochk = I915_READ(GAM_ECOCHK);
-@@ -1124,7 +1124,7 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv)
- I915_WRITE(GEN7_LRA_LIMITS_BASE + i * 4, s->lra_limits[i]);
-
- I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->media_max_req_count);
-- I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->gfx_max_req_count);
-+ I915_WRITE(GEN7_GFX_MAX_REQ_COUNT, s->gfx_max_req_count);
-
- I915_WRITE(RENDER_HWS_PGA_GEN7, s->render_hwsp);
- I915_WRITE(GAM_ECOCHK, s->ecochk);
-diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
-index ede5bbb..07320cb 100644
---- a/drivers/gpu/drm/i915/i915_irq.c
-+++ b/drivers/gpu/drm/i915/i915_irq.c
-@@ -3718,14 +3718,12 @@ static int i8xx_irq_postinstall(struct drm_device *dev)
- ~(I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
- I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
- I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
-- I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT |
-- I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT);
-+ I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT);
- I915_WRITE16(IMR, dev_priv->irq_mask);
-
- I915_WRITE16(IER,
- I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
- I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
-- I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT |
- I915_USER_INTERRUPT);
- POSTING_READ16(IER);
-
-@@ -3887,14 +3885,12 @@ static int i915_irq_postinstall(struct drm_device *dev)
- I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
- I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
- I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
-- I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT |
-- I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT);
-+ I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT);
-
- enable_mask =
- I915_ASLE_INTERRUPT |
- I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
- I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
-- I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT |
- I915_USER_INTERRUPT;
-
- if (I915_HAS_HOTPLUG(dev)) {
-diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
-index 33b3d0a2..f536ff2 100644
---- a/drivers/gpu/drm/i915/i915_reg.h
-+++ b/drivers/gpu/drm/i915/i915_reg.h
-@@ -1740,6 +1740,7 @@ enum punit_power_well {
- #define GMBUS_CYCLE_INDEX (2<<25)
- #define GMBUS_CYCLE_STOP (4<<25)
- #define GMBUS_BYTE_COUNT_SHIFT 16
-+#define GMBUS_BYTE_COUNT_MAX 256U
- #define GMBUS_SLAVE_INDEX_SHIFT 8
- #define GMBUS_SLAVE_ADDR_SHIFT 1
- #define GMBUS_SLAVE_READ (1<<0)
-diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
-index b31088a..56e437e 100644
---- a/drivers/gpu/drm/i915/intel_i2c.c
-+++ b/drivers/gpu/drm/i915/intel_i2c.c
-@@ -270,18 +270,17 @@ gmbus_wait_idle(struct drm_i915_private *dev_priv)
- }
-
- static int
--gmbus_xfer_read(struct drm_i915_private *dev_priv, struct i2c_msg *msg,
-- u32 gmbus1_index)
-+gmbus_xfer_read_chunk(struct drm_i915_private *dev_priv,
-+ unsigned short addr, u8 *buf, unsigned int len,
-+ u32 gmbus1_index)
- {
- int reg_offset = dev_priv->gpio_mmio_base;
-- u16 len = msg->len;
-- u8 *buf = msg->buf;
-
- I915_WRITE(GMBUS1 + reg_offset,
- gmbus1_index |
- GMBUS_CYCLE_WAIT |
- (len << GMBUS_BYTE_COUNT_SHIFT) |
-- (msg->addr << GMBUS_SLAVE_ADDR_SHIFT) |
-+ (addr << GMBUS_SLAVE_ADDR_SHIFT) |
- GMBUS_SLAVE_READ | GMBUS_SW_RDY);
- while (len) {
- int ret;
-@@ -303,11 +302,35 @@ gmbus_xfer_read(struct drm_i915_private *dev_priv, struct i2c_msg *msg,
- }
-
- static int
--gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg)
-+gmbus_xfer_read(struct drm_i915_private *dev_priv, struct i2c_msg *msg,
-+ u32 gmbus1_index)
- {
-- int reg_offset = dev_priv->gpio_mmio_base;
-- u16 len = msg->len;
- u8 *buf = msg->buf;
-+ unsigned int rx_size = msg->len;
-+ unsigned int len;
-+ int ret;
-+
-+ do {
-+ len = min(rx_size, GMBUS_BYTE_COUNT_MAX);
-+
-+ ret = gmbus_xfer_read_chunk(dev_priv, msg->addr,
-+ buf, len, gmbus1_index);
-+ if (ret)
-+ return ret;
-+
-+ rx_size -= len;
-+ buf += len;
-+ } while (rx_size != 0);
-+
-+ return 0;
-+}
-+
-+static int
-+gmbus_xfer_write_chunk(struct drm_i915_private *dev_priv,
-+ unsigned short addr, u8 *buf, unsigned int len)
-+{
-+ int reg_offset = dev_priv->gpio_mmio_base;
-+ unsigned int chunk_size = len;
- u32 val, loop;
-
- val = loop = 0;
-@@ -319,8 +342,8 @@ gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg)
- I915_WRITE(GMBUS3 + reg_offset, val);
- I915_WRITE(GMBUS1 + reg_offset,
- GMBUS_CYCLE_WAIT |
-- (msg->len << GMBUS_BYTE_COUNT_SHIFT) |
-- (msg->addr << GMBUS_SLAVE_ADDR_SHIFT) |
-+ (chunk_size << GMBUS_BYTE_COUNT_SHIFT) |
-+ (addr << GMBUS_SLAVE_ADDR_SHIFT) |
- GMBUS_SLAVE_WRITE | GMBUS_SW_RDY);
- while (len) {
- int ret;
-@@ -337,6 +360,29 @@ gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg)
- if (ret)
- return ret;
- }
-+
-+ return 0;
-+}
-+
-+static int
-+gmbus_xfer_write(struct drm_i915_private *dev_priv, struct i2c_msg *msg)
-+{
-+ u8 *buf = msg->buf;
-+ unsigned int tx_size = msg->len;
-+ unsigned int len;
-+ int ret;
-+
-+ do {
-+ len = min(tx_size, GMBUS_BYTE_COUNT_MAX);
-+
-+ ret = gmbus_xfer_write_chunk(dev_priv, msg->addr, buf, len);
-+ if (ret)
-+ return ret;
-+
-+ buf += len;
-+ tx_size -= len;
-+ } while (tx_size != 0);
-+
- return 0;
- }
-
-diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
-index 86807ee..9bd5611 100644
---- a/drivers/gpu/drm/radeon/atombios_crtc.c
-+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
-@@ -330,8 +330,10 @@ atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
- misc |= ATOM_COMPOSITESYNC;
- if (mode->flags & DRM_MODE_FLAG_INTERLACE)
- misc |= ATOM_INTERLACE;
-- if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-+ if (mode->flags & DRM_MODE_FLAG_DBLCLK)
- misc |= ATOM_DOUBLE_CLOCK_MODE;
-+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-+ misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2;
-
- args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
- args.ucCRTC = radeon_crtc->crtc_id;
-@@ -374,8 +376,10 @@ static void atombios_crtc_set_timing(struct drm_crtc *crtc,
- misc |= ATOM_COMPOSITESYNC;
- if (mode->flags & DRM_MODE_FLAG_INTERLACE)
- misc |= ATOM_INTERLACE;
-- if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-+ if (mode->flags & DRM_MODE_FLAG_DBLCLK)
- misc |= ATOM_DOUBLE_CLOCK_MODE;
-+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-+ misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2;
-
- args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
- args.ucCRTC = radeon_crtc->crtc_id;
-diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
-index 9c47867..7fe5590 100644
---- a/drivers/hid/hid-ids.h
-+++ b/drivers/hid/hid-ids.h
-@@ -459,6 +459,10 @@
- #define USB_DEVICE_ID_UGCI_FLYING 0x0020
- #define USB_DEVICE_ID_UGCI_FIGHTING 0x0030
-
-+#define USB_VENDOR_ID_HP 0x03f0
-+#define USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE 0x0a4a
-+#define USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE 0x134a
-+
- #define USB_VENDOR_ID_HUION 0x256c
- #define USB_DEVICE_ID_HUION_TABLET 0x006e
-
-diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
-index a821277..4e3ae9f 100644
---- a/drivers/hid/usbhid/hid-quirks.c
-+++ b/drivers/hid/usbhid/hid-quirks.c
-@@ -78,6 +78,8 @@ static const struct hid_blacklist {
- { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
- { USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
- { USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
-+ { USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
-+ { USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
- { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_C077, HID_QUIRK_ALWAYS_POLL },
- { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET },
- { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3, HID_QUIRK_NO_INIT_REPORTS },
-diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
-index 2978f5e..00bc30e 100644
---- a/drivers/hv/channel.c
-+++ b/drivers/hv/channel.c
-@@ -135,7 +135,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
- GFP_KERNEL);
- if (!open_info) {
- err = -ENOMEM;
-- goto error0;
-+ goto error_gpadl;
- }
-
- init_completion(&open_info->waitevent);
-@@ -151,7 +151,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
-
- if (userdatalen > MAX_USER_DEFINED_BYTES) {
- err = -EINVAL;
-- goto error0;
-+ goto error_gpadl;
- }
-
- if (userdatalen)
-@@ -195,6 +195,9 @@ error1:
- list_del(&open_info->msglistentry);
- spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
-
-+error_gpadl:
-+ vmbus_teardown_gpadl(newchannel, newchannel->ringbuffer_gpadlhandle);
-+
- error0:
- free_pages((unsigned long)out,
- get_order(send_ringbuffer_size + recv_ringbuffer_size));
-diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
-index 5f96b1b..019d542 100644
---- a/drivers/i2c/busses/i2c-rk3x.c
-+++ b/drivers/i2c/busses/i2c-rk3x.c
-@@ -833,7 +833,7 @@ static int rk3x_i2c_xfer(struct i2c_adapter *adap,
- clk_disable(i2c->clk);
- spin_unlock_irqrestore(&i2c->lock, flags);
-
-- return ret;
-+ return ret < 0 ? ret : num;
- }
-
- static u32 rk3x_i2c_func(struct i2c_adapter *adap)
-diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
-index edf274c..8143162 100644
---- a/drivers/i2c/i2c-core.c
-+++ b/drivers/i2c/i2c-core.c
-@@ -596,6 +596,7 @@ int i2c_generic_scl_recovery(struct i2c_adapter *adap)
- adap->bus_recovery_info->set_scl(adap, 1);
- return i2c_generic_recovery(adap);
- }
-+EXPORT_SYMBOL_GPL(i2c_generic_scl_recovery);
-
- int i2c_generic_gpio_recovery(struct i2c_adapter *adap)
- {
-@@ -610,6 +611,7 @@ int i2c_generic_gpio_recovery(struct i2c_adapter *adap)
-
- return ret;
- }
-+EXPORT_SYMBOL_GPL(i2c_generic_gpio_recovery);
-
- int i2c_recover_bus(struct i2c_adapter *adap)
- {
-@@ -619,6 +621,7 @@ int i2c_recover_bus(struct i2c_adapter *adap)
- dev_dbg(&adap->dev, "Trying i2c bus recovery\n");
- return adap->bus_recovery_info->recover_bus(adap);
- }
-+EXPORT_SYMBOL_GPL(i2c_recover_bus);
-
- static int i2c_device_probe(struct device *dev)
- {
-@@ -1410,6 +1413,8 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
-
- dev_dbg(&adap->dev, "adapter [%s] registered\n", adap->name);
-
-+ pm_runtime_no_callbacks(&adap->dev);
-+
- #ifdef CONFIG_I2C_COMPAT
- res = class_compat_create_link(i2c_adapter_compat_class, &adap->dev,
- adap->dev.parent);
-diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
-index 593f7ca..06cc1ff 100644
---- a/drivers/i2c/i2c-mux.c
-+++ b/drivers/i2c/i2c-mux.c
-@@ -32,8 +32,9 @@ struct i2c_mux_priv {
- struct i2c_algorithm algo;
-
- struct i2c_adapter *parent;
-- void *mux_priv; /* the mux chip/device */
-- u32 chan_id; /* the channel id */
-+ struct device *mux_dev;
-+ void *mux_priv;
-+ u32 chan_id;
-
- int (*select)(struct i2c_adapter *, void *mux_priv, u32 chan_id);
- int (*deselect)(struct i2c_adapter *, void *mux_priv, u32 chan_id);
-@@ -119,6 +120,7 @@ struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent,
-
- /* Set up private adapter data */
- priv->parent = parent;
-+ priv->mux_dev = mux_dev;
- priv->mux_priv = mux_priv;
- priv->chan_id = chan_id;
- priv->select = select;
-@@ -203,7 +205,7 @@ void i2c_del_mux_adapter(struct i2c_adapter *adap)
- char symlink_name[20];
-
- snprintf(symlink_name, sizeof(symlink_name), "channel-%u", priv->chan_id);
-- sysfs_remove_link(&adap->dev.parent->kobj, symlink_name);
-+ sysfs_remove_link(&priv->mux_dev->kobj, symlink_name);
-
- sysfs_remove_link(&priv->adap.dev.kobj, "mux_device");
- i2c_del_adapter(adap);
-diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
-index b0e5852..44d1d79 100644
---- a/drivers/idle/intel_idle.c
-+++ b/drivers/idle/intel_idle.c
-@@ -218,18 +218,10 @@ static struct cpuidle_state byt_cstates[] = {
- .enter = &intel_idle,
- .enter_freeze = intel_idle_freeze, },
- {
-- .name = "C1E-BYT",
-- .desc = "MWAIT 0x01",
-- .flags = MWAIT2flg(0x01),
-- .exit_latency = 15,
-- .target_residency = 30,
-- .enter = &intel_idle,
-- .enter_freeze = intel_idle_freeze, },
-- {
- .name = "C6N-BYT",
- .desc = "MWAIT 0x58",
- .flags = MWAIT2flg(0x58) | CPUIDLE_FLAG_TLB_FLUSHED,
-- .exit_latency = 40,
-+ .exit_latency = 300,
- .target_residency = 275,
- .enter = &intel_idle,
- .enter_freeze = intel_idle_freeze, },
-@@ -237,7 +229,7 @@ static struct cpuidle_state byt_cstates[] = {
- .name = "C6S-BYT",
- .desc = "MWAIT 0x52",
- .flags = MWAIT2flg(0x52) | CPUIDLE_FLAG_TLB_FLUSHED,
-- .exit_latency = 140,
-+ .exit_latency = 500,
- .target_residency = 560,
- .enter = &intel_idle,
- .enter_freeze = intel_idle_freeze, },
-@@ -246,7 +238,7 @@ static struct cpuidle_state byt_cstates[] = {
- .desc = "MWAIT 0x60",
- .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED,
- .exit_latency = 1200,
-- .target_residency = 1500,
-+ .target_residency = 4000,
- .enter = &intel_idle,
- .enter_freeze = intel_idle_freeze, },
- {
-diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
-index 8c014b5..38acb3c 100644
---- a/drivers/infiniband/core/umem.c
-+++ b/drivers/infiniband/core/umem.c
-@@ -99,12 +99,15 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
- if (dmasync)
- dma_set_attr(DMA_ATTR_WRITE_BARRIER, &attrs);
-
-+ if (!size)
-+ return ERR_PTR(-EINVAL);
-+
- /*
- * If the combination of the addr and size requested for this memory
- * region causes an integer overflow, return error.
- */
-- if ((PAGE_ALIGN(addr + size) <= size) ||
-- (PAGE_ALIGN(addr + size) <= addr))
-+ if (((addr + size) < addr) ||
-+ PAGE_ALIGN(addr + size) < (addr + size))
- return ERR_PTR(-EINVAL);
-
- if (!can_do_mlock())
-diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
-index ed2bd67..fbde33a 100644
---- a/drivers/infiniband/hw/mlx4/qp.c
-+++ b/drivers/infiniband/hw/mlx4/qp.c
-@@ -2605,8 +2605,7 @@ static int build_lso_seg(struct mlx4_wqe_lso_seg *wqe, struct ib_send_wr *wr,
-
- memcpy(wqe->header, wr->wr.ud.header, wr->wr.ud.hlen);
-
-- *lso_hdr_sz = cpu_to_be32((wr->wr.ud.mss - wr->wr.ud.hlen) << 16 |
-- wr->wr.ud.hlen);
-+ *lso_hdr_sz = cpu_to_be32(wr->wr.ud.mss << 16 | wr->wr.ud.hlen);
- *lso_seg_len = halign;
- return 0;
- }
-diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
-index 20e859a..76eb57b 100644
---- a/drivers/infiniband/ulp/iser/iser_initiator.c
-+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
-@@ -409,8 +409,8 @@ int iser_send_command(struct iscsi_conn *conn,
- if (scsi_prot_sg_count(sc)) {
- prot_buf->buf = scsi_prot_sglist(sc);
- prot_buf->size = scsi_prot_sg_count(sc);
-- prot_buf->data_len = data_buf->data_len >>
-- ilog2(sc->device->sector_size) * 8;
-+ prot_buf->data_len = (data_buf->data_len >>
-+ ilog2(sc->device->sector_size)) * 8;
- }
-
- if (hdr->flags & ISCSI_FLAG_CMD_READ) {
-diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
-index 075b19c..147029a 100644
---- a/drivers/infiniband/ulp/isert/ib_isert.c
-+++ b/drivers/infiniband/ulp/isert/ib_isert.c
-@@ -222,7 +222,7 @@ fail:
- static void
- isert_free_rx_descriptors(struct isert_conn *isert_conn)
- {
-- struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
-+ struct ib_device *ib_dev = isert_conn->conn_device->ib_device;
- struct iser_rx_desc *rx_desc;
- int i;
-
-@@ -719,8 +719,8 @@ out:
- static void
- isert_connect_release(struct isert_conn *isert_conn)
- {
-- struct ib_device *ib_dev = isert_conn->conn_cm_id->device;
- struct isert_device *device = isert_conn->conn_device;
-+ struct ib_device *ib_dev = device->ib_device;
-
- isert_dbg("conn %p\n", isert_conn);
-
-@@ -728,7 +728,8 @@ isert_connect_release(struct isert_conn *isert_conn)
- isert_conn_free_fastreg_pool(isert_conn);
-
- isert_free_rx_descriptors(isert_conn);
-- rdma_destroy_id(isert_conn->conn_cm_id);
-+ if (isert_conn->conn_cm_id)
-+ rdma_destroy_id(isert_conn->conn_cm_id);
-
- if (isert_conn->conn_qp) {
- struct isert_comp *comp = isert_conn->conn_qp->recv_cq->cq_context;
-@@ -878,12 +879,15 @@ isert_disconnected_handler(struct rdma_cm_id *cma_id,
- return 0;
- }
-
--static void
-+static int
- isert_connect_error(struct rdma_cm_id *cma_id)
- {
- struct isert_conn *isert_conn = cma_id->qp->qp_context;
-
-+ isert_conn->conn_cm_id = NULL;
- isert_put_conn(isert_conn);
-+
-+ return -1;
- }
-
- static int
-@@ -912,7 +916,7 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
- case RDMA_CM_EVENT_REJECTED: /* FALLTHRU */
- case RDMA_CM_EVENT_UNREACHABLE: /* FALLTHRU */
- case RDMA_CM_EVENT_CONNECT_ERROR:
-- isert_connect_error(cma_id);
-+ ret = isert_connect_error(cma_id);
- break;
- default:
- isert_err("Unhandled RDMA CMA event: %d\n", event->event);
-@@ -1861,11 +1865,13 @@ isert_completion_rdma_read(struct iser_tx_desc *tx_desc,
- cmd->i_state = ISTATE_RECEIVED_LAST_DATAOUT;
- spin_unlock_bh(&cmd->istate_lock);
-
-- if (ret)
-+ if (ret) {
-+ target_put_sess_cmd(se_cmd->se_sess, se_cmd);
- transport_send_check_condition_and_sense(se_cmd,
- se_cmd->pi_err, 0);
-- else
-+ } else {
- target_execute_cmd(se_cmd);
-+ }
- }
-
- static void
-diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
-index 27bcdbc..ea6cb64 100644
---- a/drivers/input/mouse/alps.c
-+++ b/drivers/input/mouse/alps.c
-@@ -1159,13 +1159,14 @@ static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
- bool report_buttons)
- {
- struct alps_data *priv = psmouse->private;
-- struct input_dev *dev;
-+ struct input_dev *dev, *dev2 = NULL;
-
- /* Figure out which device to use to report the bare packet */
- if (priv->proto_version == ALPS_PROTO_V2 &&
- (priv->flags & ALPS_DUALPOINT)) {
- /* On V2 devices the DualPoint Stick reports bare packets */
- dev = priv->dev2;
-+ dev2 = psmouse->dev;
- } else if (unlikely(IS_ERR_OR_NULL(priv->dev3))) {
- /* Register dev3 mouse if we received PS/2 packet first time */
- if (!IS_ERR(priv->dev3))
-@@ -1177,7 +1178,7 @@ static void alps_report_bare_ps2_packet(struct psmouse *psmouse,
- }
-
- if (report_buttons)
-- alps_report_buttons(dev, NULL,
-+ alps_report_buttons(dev, dev2,
- packet[0] & 1, packet[0] & 2, packet[0] & 4);
-
- input_report_rel(dev, REL_X,
-diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
-index 6e22682..991dc6b 100644
---- a/drivers/input/mouse/elantech.c
-+++ b/drivers/input/mouse/elantech.c
-@@ -893,6 +893,21 @@ static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse)
- }
-
- /*
-+ * This writes the reg_07 value again to the hardware at the end of every
-+ * set_rate call because the register loses its value. reg_07 allows setting
-+ * absolute mode on v4 hardware
-+ */
-+static void elantech_set_rate_restore_reg_07(struct psmouse *psmouse,
-+ unsigned int rate)
-+{
-+ struct elantech_data *etd = psmouse->private;
-+
-+ etd->original_set_rate(psmouse, rate);
-+ if (elantech_write_reg(psmouse, 0x07, etd->reg_07))
-+ psmouse_err(psmouse, "restoring reg_07 failed\n");
-+}
-+
-+/*
- * Put the touchpad into absolute mode
- */
- static int elantech_set_absolute_mode(struct psmouse *psmouse)
-@@ -1094,6 +1109,8 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse,
- * Asus K53SV 0x450f01 78, 15, 0c 2 hw buttons
- * Asus G46VW 0x460f02 00, 18, 0c 2 hw buttons
- * Asus G750JX 0x360f00 00, 16, 0c 2 hw buttons
-+ * Asus TP500LN 0x381f17 10, 14, 0e clickpad
-+ * Asus X750JN 0x381f17 10, 14, 0e clickpad
- * Asus UX31 0x361f00 20, 15, 0e clickpad
- * Asus UX32VD 0x361f02 00, 15, 0e clickpad
- * Avatar AVIU-145A2 0x361f00 ? clickpad
-@@ -1635,6 +1652,11 @@ int elantech_init(struct psmouse *psmouse)
- goto init_fail;
- }
-
-+ if (etd->fw_version == 0x381f17) {
-+ etd->original_set_rate = psmouse->set_rate;
-+ psmouse->set_rate = elantech_set_rate_restore_reg_07;
-+ }
-+
- if (elantech_set_input_params(psmouse)) {
- psmouse_err(psmouse, "failed to query touchpad range.\n");
- goto init_fail;
-diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
-index 6f3afec..f965d15 100644
---- a/drivers/input/mouse/elantech.h
-+++ b/drivers/input/mouse/elantech.h
-@@ -142,6 +142,7 @@ struct elantech_data {
- struct finger_pos mt[ETP_MAX_FINGERS];
- unsigned char parity[256];
- int (*send_cmd)(struct psmouse *psmouse, unsigned char c, unsigned char *param);
-+ void (*original_set_rate)(struct psmouse *psmouse, unsigned int rate);
- };
-
- #ifdef CONFIG_MOUSE_PS2_ELANTECH
-diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
-index 713a962..41473929 100644
---- a/drivers/md/dm-crypt.c
-+++ b/drivers/md/dm-crypt.c
-@@ -925,11 +925,10 @@ static int crypt_convert(struct crypt_config *cc,
-
- switch (r) {
- /* async */
-+ case -EINPROGRESS:
- case -EBUSY:
- wait_for_completion(&ctx->restart);
- reinit_completion(&ctx->restart);
-- /* fall through*/
-- case -EINPROGRESS:
- ctx->req = NULL;
- ctx->cc_sector++;
- continue;
-@@ -1346,10 +1345,8 @@ static void kcryptd_async_done(struct crypto_async_request *async_req,
- struct dm_crypt_io *io = container_of(ctx, struct dm_crypt_io, ctx);
- struct crypt_config *cc = io->cc;
-
-- if (error == -EINPROGRESS) {
-- complete(&ctx->restart);
-+ if (error == -EINPROGRESS)
- return;
-- }
-
- if (!error && cc->iv_gen_ops && cc->iv_gen_ops->post)
- error = cc->iv_gen_ops->post(cc, iv_of_dmreq(cc, dmreq), dmreq);
-@@ -1360,12 +1357,15 @@ static void kcryptd_async_done(struct crypto_async_request *async_req,
- crypt_free_req(cc, req_of_dmreq(cc, dmreq), io->base_bio);
-
- if (!atomic_dec_and_test(&ctx->cc_pending))
-- return;
-+ goto done;
-
- if (bio_data_dir(io->base_bio) == READ)
- kcryptd_crypt_read_done(io);
- else
- kcryptd_crypt_write_io_submit(io, 1);
-+done:
-+ if (!completion_done(&ctx->restart))
-+ complete(&ctx->restart);
- }
-
- static void kcryptd_crypt(struct work_struct *work)
-diff --git a/drivers/md/md.c b/drivers/md/md.c
-index 717daad..e617878 100644
---- a/drivers/md/md.c
-+++ b/drivers/md/md.c
-@@ -249,6 +249,7 @@ static void md_make_request(struct request_queue *q, struct bio *bio)
- const int rw = bio_data_dir(bio);
- struct mddev *mddev = q->queuedata;
- unsigned int sectors;
-+ int cpu;
-
- if (mddev == NULL || mddev->pers == NULL
- || !mddev->ready) {
-@@ -284,7 +285,10 @@ static void md_make_request(struct request_queue *q, struct bio *bio)
- sectors = bio_sectors(bio);
- mddev->pers->make_request(mddev, bio);
-
-- generic_start_io_acct(rw, sectors, &mddev->gendisk->part0);
-+ cpu = part_stat_lock();
-+ part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
-+ part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw], sectors);
-+ part_stat_unlock();
-
- if (atomic_dec_and_test(&mddev->active_io) && mddev->suspended)
- wake_up(&mddev->sb_wait);
-diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
-index 3ed9f42..3b5d7f7 100644
---- a/drivers/md/raid0.c
-+++ b/drivers/md/raid0.c
-@@ -313,7 +313,7 @@ static struct strip_zone *find_zone(struct r0conf *conf,
-
- /*
- * remaps the bio to the target device. we separate two flows.
-- * power 2 flow and a general flow for the sake of perfromance
-+ * power 2 flow and a general flow for the sake of performance
- */
- static struct md_rdev *map_sector(struct mddev *mddev, struct strip_zone *zone,
- sector_t sector, sector_t *sector_offset)
-@@ -524,6 +524,7 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio)
- split = bio;
- }
-
-+ sector = bio->bi_iter.bi_sector;
- zone = find_zone(mddev->private, &sector);
- tmp_dev = map_sector(mddev, zone, sector, &sector);
- split->bi_bdev = tmp_dev->bdev;
-diff --git a/drivers/media/rc/img-ir/img-ir-core.c b/drivers/media/rc/img-ir/img-ir-core.c
-index 77c78de..7020659 100644
---- a/drivers/media/rc/img-ir/img-ir-core.c
-+++ b/drivers/media/rc/img-ir/img-ir-core.c
-@@ -146,7 +146,7 @@ static int img_ir_remove(struct platform_device *pdev)
- {
- struct img_ir_priv *priv = platform_get_drvdata(pdev);
-
-- free_irq(priv->irq, img_ir_isr);
-+ free_irq(priv->irq, priv);
- img_ir_remove_hw(priv);
- img_ir_remove_raw(priv);
-
-diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
-index 65a326c..749ad56 100644
---- a/drivers/media/usb/stk1160/stk1160-v4l.c
-+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
-@@ -240,6 +240,11 @@ static int stk1160_stop_streaming(struct stk1160 *dev)
- if (mutex_lock_interruptible(&dev->v4l_lock))
- return -ERESTARTSYS;
-
-+ /*
-+ * Once URBs are cancelled, the URB complete handler
-+ * won't be running. This is required to safely release the
-+ * current buffer (dev->isoc_ctl.buf).
-+ */
- stk1160_cancel_isoc(dev);
-
- /*
-@@ -620,8 +625,16 @@ void stk1160_clear_queue(struct stk1160 *dev)
- stk1160_info("buffer [%p/%d] aborted\n",
- buf, buf->vb.v4l2_buf.index);
- }
-- /* It's important to clear current buffer */
-- dev->isoc_ctl.buf = NULL;
-+
-+ /* It's important to release the current buffer */
-+ if (dev->isoc_ctl.buf) {
-+ buf = dev->isoc_ctl.buf;
-+ dev->isoc_ctl.buf = NULL;
-+
-+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
-+ stk1160_info("buffer [%p/%d] aborted\n",
-+ buf, buf->vb.v4l2_buf.index);
-+ }
- spin_unlock_irqrestore(&dev->buf_lock, flags);
- }
-
-diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
-index fc145d2..922a750 100644
---- a/drivers/memstick/core/mspro_block.c
-+++ b/drivers/memstick/core/mspro_block.c
-@@ -758,7 +758,7 @@ static int mspro_block_complete_req(struct memstick_dev *card, int error)
-
- if (error || (card->current_mrq.tpc == MSPRO_CMD_STOP)) {
- if (msb->data_dir == READ) {
-- for (cnt = 0; cnt < msb->current_seg; cnt++)
-+ for (cnt = 0; cnt < msb->current_seg; cnt++) {
- t_len += msb->req_sg[cnt].length
- / msb->page_size;
-
-@@ -766,6 +766,7 @@ static int mspro_block_complete_req(struct memstick_dev *card, int error)
- t_len += msb->current_page - 1;
-
- t_len *= msb->page_size;
-+ }
- }
- } else
- t_len = blk_rq_bytes(msb->block_req);
-diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
-index 2a87f69..1aed3b7 100644
---- a/drivers/mfd/mfd-core.c
-+++ b/drivers/mfd/mfd-core.c
-@@ -128,7 +128,7 @@ static int mfd_add_device(struct device *parent, int id,
- int platform_id;
- int r;
-
-- if (id < 0)
-+ if (id == PLATFORM_DEVID_AUTO)
- platform_id = id;
- else
- platform_id = id + cell->id;
-diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
-index e8a4218..459ed1b 100644
---- a/drivers/mmc/host/sunxi-mmc.c
-+++ b/drivers/mmc/host/sunxi-mmc.c
-@@ -930,7 +930,9 @@ static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host,
- return PTR_ERR(host->clk_sample);
- }
-
-- host->reset = devm_reset_control_get(&pdev->dev, "ahb");
-+ host->reset = devm_reset_control_get_optional(&pdev->dev, "ahb");
-+ if (PTR_ERR(host->reset) == -EPROBE_DEFER)
-+ return PTR_ERR(host->reset);
-
- ret = clk_prepare_enable(host->clk_ahb);
- if (ret) {
-diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
-index a31c357..dba7e1c 100644
---- a/drivers/mmc/host/tmio_mmc_pio.c
-+++ b/drivers/mmc/host/tmio_mmc_pio.c
-@@ -1073,8 +1073,6 @@ EXPORT_SYMBOL(tmio_mmc_host_alloc);
- void tmio_mmc_host_free(struct tmio_mmc_host *host)
- {
- mmc_free_host(host->mmc);
--
-- host->mmc = NULL;
- }
- EXPORT_SYMBOL(tmio_mmc_host_free);
-
-diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
-index 9d2e16f..b5e1548 100644
---- a/drivers/mtd/ubi/attach.c
-+++ b/drivers/mtd/ubi/attach.c
-@@ -410,7 +410,7 @@ int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb,
- second_is_newer = !second_is_newer;
- } else {
- dbg_bld("PEB %d CRC is OK", pnum);
-- bitflips = !!err;
-+ bitflips |= !!err;
- }
- mutex_unlock(&ubi->buf_mutex);
-
-diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
-index d647e50..d16fccf 100644
---- a/drivers/mtd/ubi/cdev.c
-+++ b/drivers/mtd/ubi/cdev.c
-@@ -455,7 +455,7 @@ static long vol_cdev_ioctl(struct file *file, unsigned int cmd,
- /* Validate the request */
- err = -EINVAL;
- if (req.lnum < 0 || req.lnum >= vol->reserved_pebs ||
-- req.bytes < 0 || req.lnum >= vol->usable_leb_size)
-+ req.bytes < 0 || req.bytes > vol->usable_leb_size)
- break;
-
- err = get_exclusive(desc);
-diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
-index 16e34b3..8c9a710 100644
---- a/drivers/mtd/ubi/eba.c
-+++ b/drivers/mtd/ubi/eba.c
-@@ -1419,7 +1419,8 @@ int ubi_eba_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
- * during re-size.
- */
- ubi_move_aeb_to_list(av, aeb, &ai->erase);
-- vol->eba_tbl[aeb->lnum] = aeb->pnum;
-+ else
-+ vol->eba_tbl[aeb->lnum] = aeb->pnum;
- }
- }
-
-diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
-index 8f7bde6..0bd92d8 100644
---- a/drivers/mtd/ubi/wl.c
-+++ b/drivers/mtd/ubi/wl.c
-@@ -1002,7 +1002,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
- int shutdown)
- {
- int err, scrubbing = 0, torture = 0, protect = 0, erroneous = 0;
-- int vol_id = -1, uninitialized_var(lnum);
-+ int vol_id = -1, lnum = -1;
- #ifdef CONFIG_MTD_UBI_FASTMAP
- int anchor = wrk->anchor;
- #endif
-diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
-index 81d4153..77bf133 100644
---- a/drivers/net/ethernet/cadence/macb.c
-+++ b/drivers/net/ethernet/cadence/macb.c
-@@ -2165,7 +2165,7 @@ static void macb_configure_caps(struct macb *bp)
- }
- }
-
-- if (MACB_BFEXT(IDNUM, macb_readl(bp, MID)) == 0x2)
-+ if (MACB_BFEXT(IDNUM, macb_readl(bp, MID)) >= 0x2)
- bp->caps |= MACB_CAPS_MACB_IS_GEM;
-
- if (macb_is_gem(bp)) {
-diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
-index 7f997d3..a71c446 100644
---- a/drivers/net/ethernet/intel/e1000/e1000_main.c
-+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
-@@ -144,6 +144,11 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
- static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring,
- int *work_done, int work_to_do);
-+static void e1000_alloc_dummy_rx_buffers(struct e1000_adapter *adapter,
-+ struct e1000_rx_ring *rx_ring,
-+ int cleaned_count)
-+{
-+}
- static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring,
- int cleaned_count);
-@@ -3552,8 +3557,11 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
- msleep(1);
- /* e1000_down has a dependency on max_frame_size */
- hw->max_frame_size = max_frame;
-- if (netif_running(netdev))
-+ if (netif_running(netdev)) {
-+ /* prevent buffers from being reallocated */
-+ adapter->alloc_rx_buf = e1000_alloc_dummy_rx_buffers;
- e1000_down(adapter);
-+ }
-
- /* NOTE: netdev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN
- * means we reserve 2 more, this pushes us to allocate from the next
-diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
-index af829c5..7ace07d 100644
---- a/drivers/net/ethernet/marvell/pxa168_eth.c
-+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
-@@ -1508,7 +1508,8 @@ static int pxa168_eth_probe(struct platform_device *pdev)
- np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
- if (!np) {
- dev_err(&pdev->dev, "missing phy-handle\n");
-- return -EINVAL;
-+ err = -EINVAL;
-+ goto err_netdev;
- }
- of_property_read_u32(np, "reg", &pep->phy_addr);
- pep->phy_intf = of_get_phy_mode(pdev->dev.of_node);
-@@ -1526,7 +1527,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
- pep->smi_bus = mdiobus_alloc();
- if (pep->smi_bus == NULL) {
- err = -ENOMEM;
-- goto err_base;
-+ goto err_netdev;
- }
- pep->smi_bus->priv = pep;
- pep->smi_bus->name = "pxa168_eth smi";
-@@ -1551,13 +1552,10 @@ err_mdiobus:
- mdiobus_unregister(pep->smi_bus);
- err_free_mdio:
- mdiobus_free(pep->smi_bus);
--err_base:
-- iounmap(pep->base);
- err_netdev:
- free_netdev(dev);
- err_clk:
-- clk_disable(clk);
-- clk_put(clk);
-+ clk_disable_unprepare(clk);
- return err;
- }
-
-@@ -1574,13 +1572,9 @@ static int pxa168_eth_remove(struct platform_device *pdev)
- if (pep->phy)
- phy_disconnect(pep->phy);
- if (pep->clk) {
-- clk_disable(pep->clk);
-- clk_put(pep->clk);
-- pep->clk = NULL;
-+ clk_disable_unprepare(pep->clk);
- }
-
-- iounmap(pep->base);
-- pep->base = NULL;
- mdiobus_unregister(pep->smi_bus);
- mdiobus_free(pep->smi_bus);
- unregister_netdev(dev);
-diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
-index a7b58ba..3dccf01 100644
---- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
-+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
-@@ -981,20 +981,21 @@ static int mlx4_en_check_rxfh_func(struct net_device *dev, u8 hfunc)
- struct mlx4_en_priv *priv = netdev_priv(dev);
-
- /* check if requested function is supported by the device */
-- if ((hfunc == ETH_RSS_HASH_TOP &&
-- !(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP)) ||
-- (hfunc == ETH_RSS_HASH_XOR &&
-- !(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR)))
-- return -EINVAL;
-+ if (hfunc == ETH_RSS_HASH_TOP) {
-+ if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_TOP))
-+ return -EINVAL;
-+ if (!(dev->features & NETIF_F_RXHASH))
-+ en_warn(priv, "Toeplitz hash function should be used in conjunction with RX hashing for optimal performance\n");
-+ return 0;
-+ } else if (hfunc == ETH_RSS_HASH_XOR) {
-+ if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS_XOR))
-+ return -EINVAL;
-+ if (dev->features & NETIF_F_RXHASH)
-+ en_warn(priv, "Enabling both XOR Hash function and RX Hashing can limit RPS functionality\n");
-+ return 0;
-+ }
-
-- priv->rss_hash_fn = hfunc;
-- if (hfunc == ETH_RSS_HASH_TOP && !(dev->features & NETIF_F_RXHASH))
-- en_warn(priv,
-- "Toeplitz hash function should be used in conjunction with RX hashing for optimal performance\n");
-- if (hfunc == ETH_RSS_HASH_XOR && (dev->features & NETIF_F_RXHASH))
-- en_warn(priv,
-- "Enabling both XOR Hash function and RX Hashing can limit RPS functionality\n");
-- return 0;
-+ return -EINVAL;
- }
-
- static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
-@@ -1068,6 +1069,8 @@ static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
- priv->prof->rss_rings = rss_rings;
- if (key)
- memcpy(priv->rss_key, key, MLX4_EN_RSS_KEY_SIZE);
-+ if (hfunc != ETH_RSS_HASH_NO_CHANGE)
-+ priv->rss_hash_fn = hfunc;
-
- if (port_up) {
- err = mlx4_en_start_port(dev);
-diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
-index af034db..9d15566 100644
---- a/drivers/net/ppp/ppp_generic.c
-+++ b/drivers/net/ppp/ppp_generic.c
-@@ -1716,6 +1716,7 @@ ppp_receive_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
- {
- /* note: a 0-length skb is used as an error indication */
- if (skb->len > 0) {
-+ skb_checksum_complete_unset(skb);
- #ifdef CONFIG_PPP_MULTILINK
- /* XXX do channel-level decompression here */
- if (PPP_PROTO(skb) == PPP_MP)
-diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
-index 90a714c..23806c2 100644
---- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
-+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
-@@ -321,6 +321,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = {
- {RTL_USB_DEVICE(0x07b8, 0x8188, rtl92cu_hal_cfg)}, /*Abocom - Abocom*/
- {RTL_USB_DEVICE(0x07b8, 0x8189, rtl92cu_hal_cfg)}, /*Funai - Abocom*/
- {RTL_USB_DEVICE(0x0846, 0x9041, rtl92cu_hal_cfg)}, /*NetGear WNA1000M*/
-+ {RTL_USB_DEVICE(0x0b05, 0x17ba, rtl92cu_hal_cfg)}, /*ASUS-Edimax*/
- {RTL_USB_DEVICE(0x0bda, 0x5088, rtl92cu_hal_cfg)}, /*Thinkware-CC&C*/
- {RTL_USB_DEVICE(0x0df6, 0x0052, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/
- {RTL_USB_DEVICE(0x0df6, 0x005c, rtl92cu_hal_cfg)}, /*Sitecom - Edimax*/
-@@ -377,6 +378,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = {
- {RTL_USB_DEVICE(0x2001, 0x3307, rtl92cu_hal_cfg)}, /*D-Link-Cameo*/
- {RTL_USB_DEVICE(0x2001, 0x3309, rtl92cu_hal_cfg)}, /*D-Link-Alpha*/
- {RTL_USB_DEVICE(0x2001, 0x330a, rtl92cu_hal_cfg)}, /*D-Link-Alpha*/
-+ {RTL_USB_DEVICE(0x2001, 0x330d, rtl92cu_hal_cfg)}, /*D-Link DWA-131 */
- {RTL_USB_DEVICE(0x2019, 0xab2b, rtl92cu_hal_cfg)}, /*Planex -Abocom*/
- {RTL_USB_DEVICE(0x20f4, 0x624d, rtl92cu_hal_cfg)}, /*TRENDNet*/
- {RTL_USB_DEVICE(0x2357, 0x0100, rtl92cu_hal_cfg)}, /*TP-Link WN8200ND*/
-diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c
-index c93fae9..5fbd223 100644
---- a/drivers/net/wireless/ti/wl18xx/debugfs.c
-+++ b/drivers/net/wireless/ti/wl18xx/debugfs.c
-@@ -139,7 +139,7 @@ WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, protection_filter, "%u");
- WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, accum_arp_pend_requests, "%u");
- WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, max_arp_queue_dep, "%u");
-
--WL18XX_DEBUGFS_FWSTATS_FILE(rx_rate, rx_frames_per_rates, "%u");
-+WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(rx_rate, rx_frames_per_rates, 50);
-
- WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, tx_agg_vs_rate,
- AGGR_STATS_TX_AGG*AGGR_STATS_TX_RATE);
-diff --git a/drivers/net/wireless/ti/wlcore/debugfs.h b/drivers/net/wireless/ti/wlcore/debugfs.h
-index 0f2cfb0..bf14676 100644
---- a/drivers/net/wireless/ti/wlcore/debugfs.h
-+++ b/drivers/net/wireless/ti/wlcore/debugfs.h
-@@ -26,8 +26,8 @@
-
- #include "wlcore.h"
-
--int wl1271_format_buffer(char __user *userbuf, size_t count,
-- loff_t *ppos, char *fmt, ...);
-+__printf(4, 5) int wl1271_format_buffer(char __user *userbuf, size_t count,
-+ loff_t *ppos, char *fmt, ...);
-
- int wl1271_debugfs_init(struct wl1271 *wl);
- void wl1271_debugfs_exit(struct wl1271 *wl);
-diff --git a/drivers/nfc/st21nfcb/i2c.c b/drivers/nfc/st21nfcb/i2c.c
-index eb88693..7b53a5c 100644
---- a/drivers/nfc/st21nfcb/i2c.c
-+++ b/drivers/nfc/st21nfcb/i2c.c
-@@ -109,7 +109,7 @@ static int st21nfcb_nci_i2c_write(void *phy_id, struct sk_buff *skb)
- return phy->ndlc->hard_fault;
-
- r = i2c_master_send(client, skb->data, skb->len);
-- if (r == -EREMOTEIO) { /* Retry, chip was in standby */
-+ if (r < 0) { /* Retry, chip was in standby */
- usleep_range(1000, 4000);
- r = i2c_master_send(client, skb->data, skb->len);
- }
-@@ -148,7 +148,7 @@ static int st21nfcb_nci_i2c_read(struct st21nfcb_i2c_phy *phy,
- struct i2c_client *client = phy->i2c_dev;
-
- r = i2c_master_recv(client, buf, ST21NFCB_NCI_I2C_MIN_SIZE);
-- if (r == -EREMOTEIO) { /* Retry, chip was in standby */
-+ if (r < 0) { /* Retry, chip was in standby */
- usleep_range(1000, 4000);
- r = i2c_master_recv(client, buf, ST21NFCB_NCI_I2C_MIN_SIZE);
- }
-diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c
-index 15c0fab..bceb30b 100644
---- a/drivers/platform/x86/compal-laptop.c
-+++ b/drivers/platform/x86/compal-laptop.c
-@@ -1026,9 +1026,9 @@ static int compal_probe(struct platform_device *pdev)
- if (err)
- return err;
-
-- hwmon_dev = hwmon_device_register_with_groups(&pdev->dev,
-- "compal", data,
-- compal_hwmon_groups);
-+ hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,
-+ "compal", data,
-+ compal_hwmon_groups);
- if (IS_ERR(hwmon_dev)) {
- err = PTR_ERR(hwmon_dev);
- goto remove;
-@@ -1036,7 +1036,9 @@ static int compal_probe(struct platform_device *pdev)
-
- /* Power supply */
- initialize_power_supply_data(data);
-- power_supply_register(&compal_device->dev, &data->psy);
-+ err = power_supply_register(&compal_device->dev, &data->psy);
-+ if (err < 0)
-+ goto remove;
-
- platform_set_drvdata(pdev, data);
-
-diff --git a/drivers/power/ipaq_micro_battery.c b/drivers/power/ipaq_micro_battery.c
-index 9d69460..96b15e0 100644
---- a/drivers/power/ipaq_micro_battery.c
-+++ b/drivers/power/ipaq_micro_battery.c
-@@ -226,6 +226,7 @@ static struct power_supply micro_ac_power = {
- static int micro_batt_probe(struct platform_device *pdev)
- {
- struct micro_battery *mb;
-+ int ret;
-
- mb = devm_kzalloc(&pdev->dev, sizeof(*mb), GFP_KERNEL);
- if (!mb)
-@@ -233,14 +234,30 @@ static int micro_batt_probe(struct platform_device *pdev)
-
- mb->micro = dev_get_drvdata(pdev->dev.parent);
- mb->wq = create_singlethread_workqueue("ipaq-battery-wq");
-+ if (!mb->wq)
-+ return -ENOMEM;
-+
- INIT_DELAYED_WORK(&mb->update, micro_battery_work);
- platform_set_drvdata(pdev, mb);
- queue_delayed_work(mb->wq, &mb->update, 1);
-- power_supply_register(&pdev->dev, &micro_batt_power);
-- power_supply_register(&pdev->dev, &micro_ac_power);
-+
-+ ret = power_supply_register(&pdev->dev, &micro_batt_power);
-+ if (ret < 0)
-+ goto batt_err;
-+
-+ ret = power_supply_register(&pdev->dev, &micro_ac_power);
-+ if (ret < 0)
-+ goto ac_err;
-
- dev_info(&pdev->dev, "iPAQ micro battery driver\n");
- return 0;
-+
-+ac_err:
-+ power_supply_unregister(&micro_ac_power);
-+batt_err:
-+ cancel_delayed_work_sync(&mb->update);
-+ destroy_workqueue(mb->wq);
-+ return ret;
- }
-
- static int micro_batt_remove(struct platform_device *pdev)
-@@ -251,6 +268,7 @@ static int micro_batt_remove(struct platform_device *pdev)
- power_supply_unregister(&micro_ac_power);
- power_supply_unregister(&micro_batt_power);
- cancel_delayed_work_sync(&mb->update);
-+ destroy_workqueue(mb->wq);
-
- return 0;
- }
-diff --git a/drivers/power/lp8788-charger.c b/drivers/power/lp8788-charger.c
-index 21fc233..176dab2 100644
---- a/drivers/power/lp8788-charger.c
-+++ b/drivers/power/lp8788-charger.c
-@@ -417,8 +417,10 @@ static int lp8788_psy_register(struct platform_device *pdev,
- pchg->battery.num_properties = ARRAY_SIZE(lp8788_battery_prop);
- pchg->battery.get_property = lp8788_battery_get_property;
-
-- if (power_supply_register(&pdev->dev, &pchg->battery))
-+ if (power_supply_register(&pdev->dev, &pchg->battery)) {
-+ power_supply_unregister(&pchg->charger);
- return -EPERM;
-+ }
-
- return 0;
- }
-diff --git a/drivers/power/twl4030_madc_battery.c b/drivers/power/twl4030_madc_battery.c
-index 7ef445a..cf90760 100644
---- a/drivers/power/twl4030_madc_battery.c
-+++ b/drivers/power/twl4030_madc_battery.c
-@@ -192,6 +192,7 @@ static int twl4030_madc_battery_probe(struct platform_device *pdev)
- {
- struct twl4030_madc_battery *twl4030_madc_bat;
- struct twl4030_madc_bat_platform_data *pdata = pdev->dev.platform_data;
-+ int ret = 0;
-
- twl4030_madc_bat = kzalloc(sizeof(*twl4030_madc_bat), GFP_KERNEL);
- if (!twl4030_madc_bat)
-@@ -216,9 +217,11 @@ static int twl4030_madc_battery_probe(struct platform_device *pdev)
-
- twl4030_madc_bat->pdata = pdata;
- platform_set_drvdata(pdev, twl4030_madc_bat);
-- power_supply_register(&pdev->dev, &twl4030_madc_bat->psy);
-+ ret = power_supply_register(&pdev->dev, &twl4030_madc_bat->psy);
-+ if (ret < 0)
-+ kfree(twl4030_madc_bat);
-
-- return 0;
-+ return ret;
- }
-
- static int twl4030_madc_battery_remove(struct platform_device *pdev)
-diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
-index 675b5e7..5a0800d 100644
---- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
-+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
-@@ -1584,11 +1584,11 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
- fp_possible = io_info.fpOkForIo;
- }
-
-- /* Use smp_processor_id() for now until cmd->request->cpu is CPU
-+ /* Use raw_smp_processor_id() for now until cmd->request->cpu is CPU
- id by default, not CPU group id, otherwise all MSI-X queues won't
- be utilized */
- cmd->request_desc->SCSIIO.MSIxIndex = instance->msix_vectors ?
-- smp_processor_id() % instance->msix_vectors : 0;
-+ raw_smp_processor_id() % instance->msix_vectors : 0;
-
- if (fp_possible) {
- megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp,
-@@ -1693,7 +1693,10 @@ megasas_build_dcdb_fusion(struct megasas_instance *instance,
- << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
- cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
- cmd->request_desc->SCSIIO.MSIxIndex =
-- instance->msix_vectors ? smp_processor_id() % instance->msix_vectors : 0;
-+ instance->msix_vectors ?
-+ raw_smp_processor_id() %
-+ instance->msix_vectors :
-+ 0;
- os_timeout_value = scmd->request->timeout / HZ;
-
- if (instance->secure_jbod_support &&
-diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
-index 2d5ab6d..454536c 100644
---- a/drivers/scsi/mvsas/mv_sas.c
-+++ b/drivers/scsi/mvsas/mv_sas.c
-@@ -441,14 +441,11 @@ static u32 mvs_get_ncq_tag(struct sas_task *task, u32 *tag)
- static int mvs_task_prep_ata(struct mvs_info *mvi,
- struct mvs_task_exec_info *tei)
- {
-- struct sas_ha_struct *sha = mvi->sas;
- struct sas_task *task = tei->task;
- struct domain_device *dev = task->dev;
- struct mvs_device *mvi_dev = dev->lldd_dev;
- struct mvs_cmd_hdr *hdr = tei->hdr;
- struct asd_sas_port *sas_port = dev->port;
-- struct sas_phy *sphy = dev->phy;
-- struct asd_sas_phy *sas_phy = sha->sas_phy[sphy->number];
- struct mvs_slot_info *slot;
- void *buf_prd;
- u32 tag = tei->tag, hdr_tag;
-@@ -468,7 +465,7 @@ static int mvs_task_prep_ata(struct mvs_info *mvi,
- slot->tx = mvi->tx_prod;
- del_q = TXQ_MODE_I | tag |
- (TXQ_CMD_STP << TXQ_CMD_SHIFT) |
-- (MVS_PHY_ID << TXQ_PHY_SHIFT) |
-+ ((sas_port->phy_mask & TXQ_PHY_MASK) << TXQ_PHY_SHIFT) |
- (mvi_dev->taskfileset << TXQ_SRS_SHIFT);
- mvi->tx[mvi->tx_prod] = cpu_to_le32(del_q);
-
-diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
-index 6b78476..3290a3e 100644
---- a/drivers/scsi/sd.c
-+++ b/drivers/scsi/sd.c
-@@ -3100,6 +3100,7 @@ static void scsi_disk_release(struct device *dev)
- ida_remove(&sd_index_ida, sdkp->index);
- spin_unlock(&sd_index_lock);
-
-+ blk_integrity_unregister(disk);
- disk->private_data = NULL;
- put_disk(disk);
- put_device(&sdkp->device->sdev_gendev);
-diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
-index 14c7d42..5c06d29 100644
---- a/drivers/scsi/sd_dif.c
-+++ b/drivers/scsi/sd_dif.c
-@@ -77,7 +77,7 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
-
- disk->integrity->flags |= BLK_INTEGRITY_DEVICE_CAPABLE;
-
-- if (!sdkp)
-+ if (!sdkp->ATO)
- return;
-
- if (type == SD_DIF_TYPE3_PROTECTION)
-diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
-index efc6e44..bf8c5c1 100644
---- a/drivers/scsi/storvsc_drv.c
-+++ b/drivers/scsi/storvsc_drv.c
-@@ -746,21 +746,22 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
- if (bounce_sgl[j].length == PAGE_SIZE) {
- /* full..move to next entry */
- sg_kunmap_atomic(bounce_addr);
-+ bounce_addr = 0;
- j++;
-+ }
-
-- /* if we need to use another bounce buffer */
-- if (srclen || i != orig_sgl_count - 1)
-- bounce_addr = sg_kmap_atomic(bounce_sgl,j);
-+ /* if we need to use another bounce buffer */
-+ if (srclen && bounce_addr == 0)
-+ bounce_addr = sg_kmap_atomic(bounce_sgl, j);
-
-- } else if (srclen == 0 && i == orig_sgl_count - 1) {
-- /* unmap the last bounce that is < PAGE_SIZE */
-- sg_kunmap_atomic(bounce_addr);
-- }
- }
-
- sg_kunmap_atomic(src_addr - orig_sgl[i].offset);
- }
-
-+ if (bounce_addr)
-+ sg_kunmap_atomic(bounce_addr);
-+
- local_irq_restore(flags);
-
- return total_copied;
-diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
-index 6fea4af..aea3a67 100644
---- a/drivers/spi/spi-imx.c
-+++ b/drivers/spi/spi-imx.c
-@@ -370,8 +370,6 @@ static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx,
- if (spi_imx->dma_is_inited) {
- dma = readl(spi_imx->base + MX51_ECSPI_DMA);
-
-- spi_imx->tx_wml = spi_imx_get_fifosize(spi_imx) / 2;
-- spi_imx->rx_wml = spi_imx_get_fifosize(spi_imx) / 2;
- spi_imx->rxt_wml = spi_imx_get_fifosize(spi_imx) / 2;
- rx_wml_cfg = spi_imx->rx_wml << MX51_ECSPI_DMA_RX_WML_OFFSET;
- tx_wml_cfg = spi_imx->tx_wml << MX51_ECSPI_DMA_TX_WML_OFFSET;
-@@ -868,6 +866,8 @@ static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx,
- master->max_dma_len = MAX_SDMA_BD_BYTES;
- spi_imx->bitbang.master->flags = SPI_MASTER_MUST_RX |
- SPI_MASTER_MUST_TX;
-+ spi_imx->tx_wml = spi_imx_get_fifosize(spi_imx) / 2;
-+ spi_imx->rx_wml = spi_imx_get_fifosize(spi_imx) / 2;
- spi_imx->dma_is_inited = 1;
-
- return 0;
-diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
-index 4eb7a98..7bf5186 100644
---- a/drivers/spi/spidev.c
-+++ b/drivers/spi/spidev.c
-@@ -245,7 +245,10 @@ static int spidev_message(struct spidev_data *spidev,
- k_tmp->len = u_tmp->len;
-
- total += k_tmp->len;
-- if (total > bufsiz) {
-+ /* Check total length of transfers. Also check each
-+ * transfer length to avoid arithmetic overflow.
-+ */
-+ if (total > bufsiz || k_tmp->len > bufsiz) {
- status = -EMSGSIZE;
- goto done;
- }
-diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
-index 7bdb62b..f83e00c 100644
---- a/drivers/staging/android/sync.c
-+++ b/drivers/staging/android/sync.c
-@@ -114,7 +114,7 @@ void sync_timeline_signal(struct sync_timeline *obj)
- list_for_each_entry_safe(pt, next, &obj->active_list_head,
- active_list) {
- if (fence_is_signaled_locked(&pt->base))
-- list_del(&pt->active_list);
-+ list_del_init(&pt->active_list);
- }
-
- spin_unlock_irqrestore(&obj->child_list_lock, flags);
-diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
-index 6ed35b6..04fc217 100644
---- a/drivers/staging/panel/panel.c
-+++ b/drivers/staging/panel/panel.c
-@@ -335,11 +335,11 @@ static unsigned char lcd_bits[LCD_PORTS][LCD_BITS][BIT_STATES];
- * LCD types
- */
- #define LCD_TYPE_NONE 0
--#define LCD_TYPE_OLD 1
--#define LCD_TYPE_KS0074 2
--#define LCD_TYPE_HANTRONIX 3
--#define LCD_TYPE_NEXCOM 4
--#define LCD_TYPE_CUSTOM 5
-+#define LCD_TYPE_CUSTOM 1
-+#define LCD_TYPE_OLD 2
-+#define LCD_TYPE_KS0074 3
-+#define LCD_TYPE_HANTRONIX 4
-+#define LCD_TYPE_NEXCOM 5
-
- /*
- * keypad types
-@@ -502,7 +502,7 @@ MODULE_PARM_DESC(keypad_type,
- static int lcd_type = NOT_SET;
- module_param(lcd_type, int, 0000);
- MODULE_PARM_DESC(lcd_type,
-- "LCD type: 0=none, 1=old //, 2=serial ks0074, 3=hantronix //, 4=nexcom //, 5=compiled-in");
-+ "LCD type: 0=none, 1=compiled-in, 2=old, 3=serial ks0074, 4=hantronix, 5=nexcom");
-
- static int lcd_height = NOT_SET;
- module_param(lcd_height, int, 0000);
-diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
-index 07ce3fd..fdf5c56 100644
---- a/drivers/staging/vt6655/rxtx.c
-+++ b/drivers/staging/vt6655/rxtx.c
-@@ -1308,10 +1308,18 @@ int vnt_generate_fifo_header(struct vnt_private *priv, u32 dma_idx,
- priv->hw->conf.chandef.chan->hw_value);
- }
-
-- if (current_rate > RATE_11M)
-- pkt_type = (u8)priv->byPacketType;
-- else
-+ if (current_rate > RATE_11M) {
-+ if (info->band == IEEE80211_BAND_5GHZ) {
-+ pkt_type = PK_TYPE_11A;
-+ } else {
-+ if (tx_rate->flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
-+ pkt_type = PK_TYPE_11GB;
-+ else
-+ pkt_type = PK_TYPE_11GA;
-+ }
-+ } else {
- pkt_type = PK_TYPE_11B;
-+ }
-
- /*Set fifo controls */
- if (pkt_type == PK_TYPE_11A)
-diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
-index 77d6425..5e35612 100644
---- a/drivers/target/iscsi/iscsi_target.c
-+++ b/drivers/target/iscsi/iscsi_target.c
-@@ -537,7 +537,7 @@ static struct iscsit_transport iscsi_target_transport = {
-
- static int __init iscsi_target_init_module(void)
- {
-- int ret = 0;
-+ int ret = 0, size;
-
- pr_debug("iSCSI-Target "ISCSIT_VERSION"\n");
-
-@@ -546,6 +546,7 @@ static int __init iscsi_target_init_module(void)
- pr_err("Unable to allocate memory for iscsit_global\n");
- return -1;
- }
-+ spin_lock_init(&iscsit_global->ts_bitmap_lock);
- mutex_init(&auth_id_lock);
- spin_lock_init(&sess_idr_lock);
- idr_init(&tiqn_idr);
-@@ -555,15 +556,11 @@ static int __init iscsi_target_init_module(void)
- if (ret < 0)
- goto out;
-
-- ret = iscsi_thread_set_init();
-- if (ret < 0)
-+ size = BITS_TO_LONGS(ISCSIT_BITMAP_BITS) * sizeof(long);
-+ iscsit_global->ts_bitmap = vzalloc(size);
-+ if (!iscsit_global->ts_bitmap) {
-+ pr_err("Unable to allocate iscsit_global->ts_bitmap\n");
- goto configfs_out;
--
-- if (iscsi_allocate_thread_sets(TARGET_THREAD_SET_COUNT) !=
-- TARGET_THREAD_SET_COUNT) {
-- pr_err("iscsi_allocate_thread_sets() returned"
-- " unexpected value!\n");
-- goto ts_out1;
- }
-
- lio_qr_cache = kmem_cache_create("lio_qr_cache",
-@@ -572,7 +569,7 @@ static int __init iscsi_target_init_module(void)
- if (!lio_qr_cache) {
- pr_err("nable to kmem_cache_create() for"
- " lio_qr_cache\n");
-- goto ts_out2;
-+ goto bitmap_out;
- }
-
- lio_dr_cache = kmem_cache_create("lio_dr_cache",
-@@ -617,10 +614,8 @@ dr_out:
- kmem_cache_destroy(lio_dr_cache);
- qr_out:
- kmem_cache_destroy(lio_qr_cache);
--ts_out2:
-- iscsi_deallocate_thread_sets();
--ts_out1:
-- iscsi_thread_set_free();
-+bitmap_out:
-+ vfree(iscsit_global->ts_bitmap);
- configfs_out:
- iscsi_target_deregister_configfs();
- out:
-@@ -630,8 +625,6 @@ out:
-
- static void __exit iscsi_target_cleanup_module(void)
- {
-- iscsi_deallocate_thread_sets();
-- iscsi_thread_set_free();
- iscsit_release_discovery_tpg();
- iscsit_unregister_transport(&iscsi_target_transport);
- kmem_cache_destroy(lio_qr_cache);
-@@ -641,6 +634,7 @@ static void __exit iscsi_target_cleanup_module(void)
-
- iscsi_target_deregister_configfs();
-
-+ vfree(iscsit_global->ts_bitmap);
- kfree(iscsit_global);
- }
-
-@@ -3715,17 +3709,16 @@ static int iscsit_send_reject(
-
- void iscsit_thread_get_cpumask(struct iscsi_conn *conn)
- {
-- struct iscsi_thread_set *ts = conn->thread_set;
- int ord, cpu;
- /*
-- * thread_id is assigned from iscsit_global->ts_bitmap from
-- * within iscsi_thread_set.c:iscsi_allocate_thread_sets()
-+ * bitmap_id is assigned from iscsit_global->ts_bitmap from
-+ * within iscsit_start_kthreads()
- *
-- * Here we use thread_id to determine which CPU that this
-- * iSCSI connection's iscsi_thread_set will be scheduled to
-+ * Here we use bitmap_id to determine which CPU that this
-+ * iSCSI connection's RX/TX threads will be scheduled to
- * execute upon.
- */
-- ord = ts->thread_id % cpumask_weight(cpu_online_mask);
-+ ord = conn->bitmap_id % cpumask_weight(cpu_online_mask);
- for_each_online_cpu(cpu) {
- if (ord-- == 0) {
- cpumask_set_cpu(cpu, conn->conn_cpumask);
-@@ -3914,7 +3907,7 @@ check_rsp_state:
- switch (state) {
- case ISTATE_SEND_LOGOUTRSP:
- if (!iscsit_logout_post_handler(cmd, conn))
-- goto restart;
-+ return -ECONNRESET;
- /* fall through */
- case ISTATE_SEND_STATUS:
- case ISTATE_SEND_ASYNCMSG:
-@@ -3942,8 +3935,6 @@ check_rsp_state:
-
- err:
- return -1;
--restart:
-- return -EAGAIN;
- }
-
- static int iscsit_handle_response_queue(struct iscsi_conn *conn)
-@@ -3970,21 +3961,13 @@ static int iscsit_handle_response_queue(struct iscsi_conn *conn)
- int iscsi_target_tx_thread(void *arg)
- {
- int ret = 0;
-- struct iscsi_conn *conn;
-- struct iscsi_thread_set *ts = arg;
-+ struct iscsi_conn *conn = arg;
- /*
- * Allow ourselves to be interrupted by SIGINT so that a
- * connection recovery / failure event can be triggered externally.
- */
- allow_signal(SIGINT);
-
--restart:
-- conn = iscsi_tx_thread_pre_handler(ts);
-- if (!conn)
-- goto out;
--
-- ret = 0;
--
- while (!kthread_should_stop()) {
- /*
- * Ensure that both TX and RX per connection kthreads
-@@ -3993,11 +3976,9 @@ restart:
- iscsit_thread_check_cpumask(conn, current, 1);
-
- wait_event_interruptible(conn->queues_wq,
-- !iscsit_conn_all_queues_empty(conn) ||
-- ts->status == ISCSI_THREAD_SET_RESET);
-+ !iscsit_conn_all_queues_empty(conn));
-
-- if ((ts->status == ISCSI_THREAD_SET_RESET) ||
-- signal_pending(current))
-+ if (signal_pending(current))
- goto transport_err;
-
- get_immediate:
-@@ -4008,15 +3989,14 @@ get_immediate:
- ret = iscsit_handle_response_queue(conn);
- if (ret == 1)
- goto get_immediate;
-- else if (ret == -EAGAIN)
-- goto restart;
-+ else if (ret == -ECONNRESET)
-+ goto out;
- else if (ret < 0)
- goto transport_err;
- }
-
- transport_err:
- iscsit_take_action_for_connection_exit(conn);
-- goto restart;
- out:
- return 0;
- }
-@@ -4111,8 +4091,7 @@ int iscsi_target_rx_thread(void *arg)
- int ret;
- u8 buffer[ISCSI_HDR_LEN], opcode;
- u32 checksum = 0, digest = 0;
-- struct iscsi_conn *conn = NULL;
-- struct iscsi_thread_set *ts = arg;
-+ struct iscsi_conn *conn = arg;
- struct kvec iov;
- /*
- * Allow ourselves to be interrupted by SIGINT so that a
-@@ -4120,11 +4099,6 @@ int iscsi_target_rx_thread(void *arg)
- */
- allow_signal(SIGINT);
-
--restart:
-- conn = iscsi_rx_thread_pre_handler(ts);
-- if (!conn)
-- goto out;
--
- if (conn->conn_transport->transport_type == ISCSI_INFINIBAND) {
- struct completion comp;
- int rc;
-@@ -4134,7 +4108,7 @@ restart:
- if (rc < 0)
- goto transport_err;
-
-- goto out;
-+ goto transport_err;
- }
-
- while (!kthread_should_stop()) {
-@@ -4210,8 +4184,6 @@ transport_err:
- if (!signal_pending(current))
- atomic_set(&conn->transport_failed, 1);
- iscsit_take_action_for_connection_exit(conn);
-- goto restart;
--out:
- return 0;
- }
-
-@@ -4273,7 +4245,24 @@ int iscsit_close_connection(
- if (conn->conn_transport->transport_type == ISCSI_TCP)
- complete(&conn->conn_logout_comp);
-
-- iscsi_release_thread_set(conn);
-+ if (!strcmp(current->comm, ISCSI_RX_THREAD_NAME)) {
-+ if (conn->tx_thread &&
-+ cmpxchg(&conn->tx_thread_active, true, false)) {
-+ send_sig(SIGINT, conn->tx_thread, 1);
-+ kthread_stop(conn->tx_thread);
-+ }
-+ } else if (!strcmp(current->comm, ISCSI_TX_THREAD_NAME)) {
-+ if (conn->rx_thread &&
-+ cmpxchg(&conn->rx_thread_active, true, false)) {
-+ send_sig(SIGINT, conn->rx_thread, 1);
-+ kthread_stop(conn->rx_thread);
-+ }
-+ }
-+
-+ spin_lock(&iscsit_global->ts_bitmap_lock);
-+ bitmap_release_region(iscsit_global->ts_bitmap, conn->bitmap_id,
-+ get_order(1));
-+ spin_unlock(&iscsit_global->ts_bitmap_lock);
-
- iscsit_stop_timers_for_cmds(conn);
- iscsit_stop_nopin_response_timer(conn);
-@@ -4551,15 +4540,13 @@ static void iscsit_logout_post_handler_closesession(
- struct iscsi_conn *conn)
- {
- struct iscsi_session *sess = conn->sess;
--
-- iscsi_set_thread_clear(conn, ISCSI_CLEAR_TX_THREAD);
-- iscsi_set_thread_set_signal(conn, ISCSI_SIGNAL_TX_THREAD);
-+ int sleep = cmpxchg(&conn->tx_thread_active, true, false);
-
- atomic_set(&conn->conn_logout_remove, 0);
- complete(&conn->conn_logout_comp);
-
- iscsit_dec_conn_usage_count(conn);
-- iscsit_stop_session(sess, 1, 1);
-+ iscsit_stop_session(sess, sleep, sleep);
- iscsit_dec_session_usage_count(sess);
- target_put_session(sess->se_sess);
- }
-@@ -4567,13 +4554,12 @@ static void iscsit_logout_post_handler_closesession(
- static void iscsit_logout_post_handler_samecid(
- struct iscsi_conn *conn)
- {
-- iscsi_set_thread_clear(conn, ISCSI_CLEAR_TX_THREAD);
-- iscsi_set_thread_set_signal(conn, ISCSI_SIGNAL_TX_THREAD);
-+ int sleep = cmpxchg(&conn->tx_thread_active, true, false);
-
- atomic_set(&conn->conn_logout_remove, 0);
- complete(&conn->conn_logout_comp);
-
-- iscsit_cause_connection_reinstatement(conn, 1);
-+ iscsit_cause_connection_reinstatement(conn, sleep);
- iscsit_dec_conn_usage_count(conn);
- }
-
-diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c
-index bdd8731..e008ed2 100644
---- a/drivers/target/iscsi/iscsi_target_erl0.c
-+++ b/drivers/target/iscsi/iscsi_target_erl0.c
-@@ -860,7 +860,10 @@ void iscsit_connection_reinstatement_rcfr(struct iscsi_conn *conn)
- }
- spin_unlock_bh(&conn->state_lock);
-
-- iscsi_thread_set_force_reinstatement(conn);
-+ if (conn->tx_thread && conn->tx_thread_active)
-+ send_sig(SIGINT, conn->tx_thread, 1);
-+ if (conn->rx_thread && conn->rx_thread_active)
-+ send_sig(SIGINT, conn->rx_thread, 1);
-
- sleep:
- wait_for_completion(&conn->conn_wait_rcfr_comp);
-@@ -885,10 +888,10 @@ void iscsit_cause_connection_reinstatement(struct iscsi_conn *conn, int sleep)
- return;
- }
-
-- if (iscsi_thread_set_force_reinstatement(conn) < 0) {
-- spin_unlock_bh(&conn->state_lock);
-- return;
-- }
-+ if (conn->tx_thread && conn->tx_thread_active)
-+ send_sig(SIGINT, conn->tx_thread, 1);
-+ if (conn->rx_thread && conn->rx_thread_active)
-+ send_sig(SIGINT, conn->rx_thread, 1);
-
- atomic_set(&conn->connection_reinstatement, 1);
- if (!sleep) {
-diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
-index 153fb66..345f073 100644
---- a/drivers/target/iscsi/iscsi_target_login.c
-+++ b/drivers/target/iscsi/iscsi_target_login.c
-@@ -699,6 +699,51 @@ static void iscsi_post_login_start_timers(struct iscsi_conn *conn)
- iscsit_start_nopin_timer(conn);
- }
-
-+int iscsit_start_kthreads(struct iscsi_conn *conn)
-+{
-+ int ret = 0;
-+
-+ spin_lock(&iscsit_global->ts_bitmap_lock);
-+ conn->bitmap_id = bitmap_find_free_region(iscsit_global->ts_bitmap,
-+ ISCSIT_BITMAP_BITS, get_order(1));
-+ spin_unlock(&iscsit_global->ts_bitmap_lock);
-+
-+ if (conn->bitmap_id < 0) {
-+ pr_err("bitmap_find_free_region() failed for"
-+ " iscsit_start_kthreads()\n");
-+ return -ENOMEM;
-+ }
-+
-+ conn->tx_thread = kthread_run(iscsi_target_tx_thread, conn,
-+ "%s", ISCSI_TX_THREAD_NAME);
-+ if (IS_ERR(conn->tx_thread)) {
-+ pr_err("Unable to start iscsi_target_tx_thread\n");
-+ ret = PTR_ERR(conn->tx_thread);
-+ goto out_bitmap;
-+ }
-+ conn->tx_thread_active = true;
-+
-+ conn->rx_thread = kthread_run(iscsi_target_rx_thread, conn,
-+ "%s", ISCSI_RX_THREAD_NAME);
-+ if (IS_ERR(conn->rx_thread)) {
-+ pr_err("Unable to start iscsi_target_rx_thread\n");
-+ ret = PTR_ERR(conn->rx_thread);
-+ goto out_tx;
-+ }
-+ conn->rx_thread_active = true;
-+
-+ return 0;
-+out_tx:
-+ kthread_stop(conn->tx_thread);
-+ conn->tx_thread_active = false;
-+out_bitmap:
-+ spin_lock(&iscsit_global->ts_bitmap_lock);
-+ bitmap_release_region(iscsit_global->ts_bitmap, conn->bitmap_id,
-+ get_order(1));
-+ spin_unlock(&iscsit_global->ts_bitmap_lock);
-+ return ret;
-+}
-+
- int iscsi_post_login_handler(
- struct iscsi_np *np,
- struct iscsi_conn *conn,
-@@ -709,7 +754,7 @@ int iscsi_post_login_handler(
- struct se_session *se_sess = sess->se_sess;
- struct iscsi_portal_group *tpg = sess->tpg;
- struct se_portal_group *se_tpg = &tpg->tpg_se_tpg;
-- struct iscsi_thread_set *ts;
-+ int rc;
-
- iscsit_inc_conn_usage_count(conn);
-
-@@ -724,7 +769,6 @@ int iscsi_post_login_handler(
- /*
- * SCSI Initiator -> SCSI Target Port Mapping
- */
-- ts = iscsi_get_thread_set();
- if (!zero_tsih) {
- iscsi_set_session_parameters(sess->sess_ops,
- conn->param_list, 0);
-@@ -751,9 +795,11 @@ int iscsi_post_login_handler(
- sess->sess_ops->InitiatorName);
- spin_unlock_bh(&sess->conn_lock);
-
-- iscsi_post_login_start_timers(conn);
-+ rc = iscsit_start_kthreads(conn);
-+ if (rc)
-+ return rc;
-
-- iscsi_activate_thread_set(conn, ts);
-+ iscsi_post_login_start_timers(conn);
- /*
- * Determine CPU mask to ensure connection's RX and TX kthreads
- * are scheduled on the same CPU.
-@@ -810,8 +856,11 @@ int iscsi_post_login_handler(
- " iSCSI Target Portal Group: %hu\n", tpg->nsessions, tpg->tpgt);
- spin_unlock_bh(&se_tpg->session_lock);
-
-+ rc = iscsit_start_kthreads(conn);
-+ if (rc)
-+ return rc;
-+
- iscsi_post_login_start_timers(conn);
-- iscsi_activate_thread_set(conn, ts);
- /*
- * Determine CPU mask to ensure connection's RX and TX kthreads
- * are scheduled on the same CPU.
-diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
-index 44620fb..cbb0cc2 100644
---- a/drivers/target/target_core_file.c
-+++ b/drivers/target/target_core_file.c
-@@ -264,40 +264,32 @@ static int fd_do_prot_rw(struct se_cmd *cmd, struct fd_prot *fd_prot,
- struct se_device *se_dev = cmd->se_dev;
- struct fd_dev *dev = FD_DEV(se_dev);
- struct file *prot_fd = dev->fd_prot_file;
-- struct scatterlist *sg;
- loff_t pos = (cmd->t_task_lba * se_dev->prot_length);
- unsigned char *buf;
-- u32 prot_size, len, size;
-- int rc, ret = 1, i;
-+ u32 prot_size;
-+ int rc, ret = 1;
-
- prot_size = (cmd->data_length / se_dev->dev_attrib.block_size) *
- se_dev->prot_length;
-
- if (!is_write) {
-- fd_prot->prot_buf = vzalloc(prot_size);
-+ fd_prot->prot_buf = kzalloc(prot_size, GFP_KERNEL);
- if (!fd_prot->prot_buf) {
- pr_err("Unable to allocate fd_prot->prot_buf\n");
- return -ENOMEM;
- }
- buf = fd_prot->prot_buf;
-
-- fd_prot->prot_sg_nents = cmd->t_prot_nents;
-- fd_prot->prot_sg = kzalloc(sizeof(struct scatterlist) *
-- fd_prot->prot_sg_nents, GFP_KERNEL);
-+ fd_prot->prot_sg_nents = 1;
-+ fd_prot->prot_sg = kzalloc(sizeof(struct scatterlist),
-+ GFP_KERNEL);
- if (!fd_prot->prot_sg) {
- pr_err("Unable to allocate fd_prot->prot_sg\n");
-- vfree(fd_prot->prot_buf);
-+ kfree(fd_prot->prot_buf);
- return -ENOMEM;
- }
-- size = prot_size;
--
-- for_each_sg(fd_prot->prot_sg, sg, fd_prot->prot_sg_nents, i) {
--
-- len = min_t(u32, PAGE_SIZE, size);
-- sg_set_buf(sg, buf, len);
-- size -= len;
-- buf += len;
-- }
-+ sg_init_table(fd_prot->prot_sg, fd_prot->prot_sg_nents);
-+ sg_set_buf(fd_prot->prot_sg, buf, prot_size);
- }
-
- if (is_write) {
-@@ -318,7 +310,7 @@ static int fd_do_prot_rw(struct se_cmd *cmd, struct fd_prot *fd_prot,
-
- if (is_write || ret < 0) {
- kfree(fd_prot->prot_sg);
-- vfree(fd_prot->prot_buf);
-+ kfree(fd_prot->prot_buf);
- }
-
- return ret;
-@@ -549,6 +541,56 @@ fd_execute_write_same(struct se_cmd *cmd)
- return 0;
- }
-
-+static int
-+fd_do_prot_fill(struct se_device *se_dev, sector_t lba, sector_t nolb,
-+ void *buf, size_t bufsize)
-+{
-+ struct fd_dev *fd_dev = FD_DEV(se_dev);
-+ struct file *prot_fd = fd_dev->fd_prot_file;
-+ sector_t prot_length, prot;
-+ loff_t pos = lba * se_dev->prot_length;
-+
-+ if (!prot_fd) {
-+ pr_err("Unable to locate fd_dev->fd_prot_file\n");
-+ return -ENODEV;
-+ }
-+
-+ prot_length = nolb * se_dev->prot_length;
-+
-+ for (prot = 0; prot < prot_length;) {
-+ sector_t len = min_t(sector_t, bufsize, prot_length - prot);
-+ ssize_t ret = kernel_write(prot_fd, buf, len, pos + prot);
-+
-+ if (ret != len) {
-+ pr_err("vfs_write to prot file failed: %zd\n", ret);
-+ return ret < 0 ? ret : -ENODEV;
-+ }
-+ prot += ret;
-+ }
-+
-+ return 0;
-+}
-+
-+static int
-+fd_do_prot_unmap(struct se_cmd *cmd, sector_t lba, sector_t nolb)
-+{
-+ void *buf;
-+ int rc;
-+
-+ buf = (void *)__get_free_page(GFP_KERNEL);
-+ if (!buf) {
-+ pr_err("Unable to allocate FILEIO prot buf\n");
-+ return -ENOMEM;
-+ }
-+ memset(buf, 0xff, PAGE_SIZE);
-+
-+ rc = fd_do_prot_fill(cmd->se_dev, lba, nolb, buf, PAGE_SIZE);
-+
-+ free_page((unsigned long)buf);
-+
-+ return rc;
-+}
-+
- static sense_reason_t
- fd_do_unmap(struct se_cmd *cmd, void *priv, sector_t lba, sector_t nolb)
- {
-@@ -556,6 +598,12 @@ fd_do_unmap(struct se_cmd *cmd, void *priv, sector_t lba, sector_t nolb)
- struct inode *inode = file->f_mapping->host;
- int ret;
-
-+ if (cmd->se_dev->dev_attrib.pi_prot_type) {
-+ ret = fd_do_prot_unmap(cmd, lba, nolb);
-+ if (ret)
-+ return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-+ }
-+
- if (S_ISBLK(inode->i_mode)) {
- /* The backend is block device, use discard */
- struct block_device *bdev = inode->i_bdev;
-@@ -658,11 +706,11 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
- 0, fd_prot.prot_sg, 0);
- if (rc) {
- kfree(fd_prot.prot_sg);
-- vfree(fd_prot.prot_buf);
-+ kfree(fd_prot.prot_buf);
- return rc;
- }
- kfree(fd_prot.prot_sg);
-- vfree(fd_prot.prot_buf);
-+ kfree(fd_prot.prot_buf);
- }
- } else {
- memset(&fd_prot, 0, sizeof(struct fd_prot));
-@@ -678,7 +726,7 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
- 0, fd_prot.prot_sg, 0);
- if (rc) {
- kfree(fd_prot.prot_sg);
-- vfree(fd_prot.prot_buf);
-+ kfree(fd_prot.prot_buf);
- return rc;
- }
- }
-@@ -714,7 +762,7 @@ fd_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
-
- if (ret < 0) {
- kfree(fd_prot.prot_sg);
-- vfree(fd_prot.prot_buf);
-+ kfree(fd_prot.prot_buf);
- return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- }
-
-@@ -878,48 +926,28 @@ static int fd_init_prot(struct se_device *dev)
-
- static int fd_format_prot(struct se_device *dev)
- {
-- struct fd_dev *fd_dev = FD_DEV(dev);
-- struct file *prot_fd = fd_dev->fd_prot_file;
-- sector_t prot_length, prot;
- unsigned char *buf;
-- loff_t pos = 0;
- int unit_size = FDBD_FORMAT_UNIT_SIZE * dev->dev_attrib.block_size;
-- int rc, ret = 0, size, len;
-+ int ret;
-
- if (!dev->dev_attrib.pi_prot_type) {
- pr_err("Unable to format_prot while pi_prot_type == 0\n");
- return -ENODEV;
- }
-- if (!prot_fd) {
-- pr_err("Unable to locate fd_dev->fd_prot_file\n");
-- return -ENODEV;
-- }
-
- buf = vzalloc(unit_size);
- if (!buf) {
- pr_err("Unable to allocate FILEIO prot buf\n");
- return -ENOMEM;
- }
-- prot_length = (dev->transport->get_blocks(dev) + 1) * dev->prot_length;
-- size = prot_length;
-
- pr_debug("Using FILEIO prot_length: %llu\n",
-- (unsigned long long)prot_length);
-+ (unsigned long long)(dev->transport->get_blocks(dev) + 1) *
-+ dev->prot_length);
-
- memset(buf, 0xff, unit_size);
-- for (prot = 0; prot < prot_length; prot += unit_size) {
-- len = min(unit_size, size);
-- rc = kernel_write(prot_fd, buf, len, pos);
-- if (rc != len) {
-- pr_err("vfs_write to prot file failed: %d\n", rc);
-- ret = -ENODEV;
-- goto out;
-- }
-- pos += len;
-- size -= len;
-- }
--
--out:
-+ ret = fd_do_prot_fill(dev, 0, dev->transport->get_blocks(dev) + 1,
-+ buf, unit_size);
- vfree(buf);
- return ret;
- }
-diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
-index 3e72974..755bd9b3 100644
---- a/drivers/target/target_core_sbc.c
-+++ b/drivers/target/target_core_sbc.c
-@@ -312,7 +312,7 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char *flags, struct sbc_ops *o
- return 0;
- }
-
--static sense_reason_t xdreadwrite_callback(struct se_cmd *cmd)
-+static sense_reason_t xdreadwrite_callback(struct se_cmd *cmd, bool success)
- {
- unsigned char *buf, *addr;
- struct scatterlist *sg;
-@@ -376,7 +376,7 @@ sbc_execute_rw(struct se_cmd *cmd)
- cmd->data_direction);
- }
-
--static sense_reason_t compare_and_write_post(struct se_cmd *cmd)
-+static sense_reason_t compare_and_write_post(struct se_cmd *cmd, bool success)
- {
- struct se_device *dev = cmd->se_dev;
-
-@@ -399,7 +399,7 @@ static sense_reason_t compare_and_write_post(struct se_cmd *cmd)
- return TCM_NO_SENSE;
- }
-
--static sense_reason_t compare_and_write_callback(struct se_cmd *cmd)
-+static sense_reason_t compare_and_write_callback(struct se_cmd *cmd, bool success)
- {
- struct se_device *dev = cmd->se_dev;
- struct scatterlist *write_sg = NULL, *sg;
-@@ -414,11 +414,16 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd)
-
- /*
- * Handle early failure in transport_generic_request_failure(),
-- * which will not have taken ->caw_mutex yet..
-+ * which will not have taken ->caw_sem yet..
- */
-- if (!cmd->t_data_sg || !cmd->t_bidi_data_sg)
-+ if (!success && (!cmd->t_data_sg || !cmd->t_bidi_data_sg))
- return TCM_NO_SENSE;
- /*
-+ * Handle special case for zero-length COMPARE_AND_WRITE
-+ */
-+ if (!cmd->data_length)
-+ goto out;
-+ /*
- * Immediately exit + release dev->caw_sem if command has already
- * been failed with a non-zero SCSI status.
- */
-diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
-index ac3cbab..f786de0 100644
---- a/drivers/target/target_core_transport.c
-+++ b/drivers/target/target_core_transport.c
-@@ -1615,11 +1615,11 @@ void transport_generic_request_failure(struct se_cmd *cmd,
- transport_complete_task_attr(cmd);
- /*
- * Handle special case for COMPARE_AND_WRITE failure, where the
-- * callback is expected to drop the per device ->caw_mutex.
-+ * callback is expected to drop the per device ->caw_sem.
- */
- if ((cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) &&
- cmd->transport_complete_callback)
-- cmd->transport_complete_callback(cmd);
-+ cmd->transport_complete_callback(cmd, false);
-
- switch (sense_reason) {
- case TCM_NON_EXISTENT_LUN:
-@@ -1975,8 +1975,12 @@ static void target_complete_ok_work(struct work_struct *work)
- if (cmd->transport_complete_callback) {
- sense_reason_t rc;
-
-- rc = cmd->transport_complete_callback(cmd);
-+ rc = cmd->transport_complete_callback(cmd, true);
- if (!rc && !(cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE_POST)) {
-+ if ((cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) &&
-+ !cmd->data_length)
-+ goto queue_rsp;
-+
- return;
- } else if (rc) {
- ret = transport_send_check_condition_and_sense(cmd,
-@@ -1990,6 +1994,7 @@ static void target_complete_ok_work(struct work_struct *work)
- }
- }
-
-+queue_rsp:
- switch (cmd->data_direction) {
- case DMA_FROM_DEVICE:
- spin_lock(&cmd->se_lun->lun_sep_lock);
-@@ -2094,6 +2099,16 @@ static inline void transport_reset_sgl_orig(struct se_cmd *cmd)
- static inline void transport_free_pages(struct se_cmd *cmd)
- {
- if (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC) {
-+ /*
-+ * Release special case READ buffer payload required for
-+ * SG_TO_MEM_NOALLOC to function with COMPARE_AND_WRITE
-+ */
-+ if (cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) {
-+ transport_free_sgl(cmd->t_bidi_data_sg,
-+ cmd->t_bidi_data_nents);
-+ cmd->t_bidi_data_sg = NULL;
-+ cmd->t_bidi_data_nents = 0;
-+ }
- transport_reset_sgl_orig(cmd);
- return;
- }
-@@ -2246,6 +2261,7 @@ sense_reason_t
- transport_generic_new_cmd(struct se_cmd *cmd)
- {
- int ret = 0;
-+ bool zero_flag = !(cmd->se_cmd_flags & SCF_SCSI_DATA_CDB);
-
- /*
- * Determine is the TCM fabric module has already allocated physical
-@@ -2254,7 +2270,6 @@ transport_generic_new_cmd(struct se_cmd *cmd)
- */
- if (!(cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC) &&
- cmd->data_length) {
-- bool zero_flag = !(cmd->se_cmd_flags & SCF_SCSI_DATA_CDB);
-
- if ((cmd->se_cmd_flags & SCF_BIDI) ||
- (cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE)) {
-@@ -2285,6 +2300,20 @@ transport_generic_new_cmd(struct se_cmd *cmd)
- cmd->data_length, zero_flag);
- if (ret < 0)
- return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
-+ } else if ((cmd->se_cmd_flags & SCF_COMPARE_AND_WRITE) &&
-+ cmd->data_length) {
-+ /*
-+ * Special case for COMPARE_AND_WRITE with fabrics
-+ * using SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC.
-+ */
-+ u32 caw_length = cmd->t_task_nolb *
-+ cmd->se_dev->dev_attrib.block_size;
-+
-+ ret = target_alloc_sgl(&cmd->t_bidi_data_sg,
-+ &cmd->t_bidi_data_nents,
-+ caw_length, zero_flag);
-+ if (ret < 0)
-+ return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- }
- /*
- * If this command is not a write we can execute it right here,
-diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
-index deae122..d465ace 100644
---- a/drivers/tty/serial/8250/8250_core.c
-+++ b/drivers/tty/serial/8250/8250_core.c
-@@ -3444,7 +3444,8 @@ void serial8250_suspend_port(int line)
- port->type != PORT_8250) {
- unsigned char canary = 0xa5;
- serial_out(up, UART_SCR, canary);
-- up->canary = canary;
-+ if (serial_in(up, UART_SCR) == canary)
-+ up->canary = canary;
- }
-
- uart_suspend_port(&serial8250_reg, port);
-diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
-index 6ae5b85..7a80250 100644
---- a/drivers/tty/serial/8250/8250_dw.c
-+++ b/drivers/tty/serial/8250/8250_dw.c
-@@ -629,6 +629,7 @@ static const struct acpi_device_id dw8250_acpi_match[] = {
- { "80860F0A", 0 },
- { "8086228A", 0 },
- { "APMC0D08", 0},
-+ { "AMD0020", 0 },
- { },
- };
- MODULE_DEVICE_TABLE(acpi, dw8250_acpi_match);
-diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
-index 0eb29b1..2306191 100644
---- a/drivers/tty/serial/imx.c
-+++ b/drivers/tty/serial/imx.c
-@@ -818,7 +818,7 @@ static irqreturn_t imx_int(int irq, void *dev_id)
- if (sts2 & USR2_ORE) {
- dev_err(sport->port.dev, "Rx FIFO overrun\n");
- sport->port.icount.overrun++;
-- writel(sts2 | USR2_ORE, sport->port.membase + USR2);
-+ writel(USR2_ORE, sport->port.membase + USR2);
- }
-
- return IRQ_HANDLED;
-@@ -1181,10 +1181,12 @@ static int imx_startup(struct uart_port *port)
- imx_uart_dma_init(sport);
-
- spin_lock_irqsave(&sport->port.lock, flags);
-+
- /*
- * Finally, clear and enable interrupts
- */
- writel(USR1_RTSD, sport->port.membase + USR1);
-+ writel(USR2_ORE, sport->port.membase + USR2);
-
- if (sport->dma_is_inited && !sport->dma_is_enabled)
- imx_enable_dma(sport);
-@@ -1199,10 +1201,6 @@ static int imx_startup(struct uart_port *port)
-
- writel(temp, sport->port.membase + UCR1);
-
-- /* Clear any pending ORE flag before enabling interrupt */
-- temp = readl(sport->port.membase + USR2);
-- writel(temp | USR2_ORE, sport->port.membase + USR2);
--
- temp = readl(sport->port.membase + UCR4);
- temp |= UCR4_OREN;
- writel(temp, sport->port.membase + UCR4);
-diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
-index a051a7a..a81f9dd 100644
---- a/drivers/usb/class/cdc-wdm.c
-+++ b/drivers/usb/class/cdc-wdm.c
-@@ -245,7 +245,7 @@ static void wdm_int_callback(struct urb *urb)
- case USB_CDC_NOTIFY_RESPONSE_AVAILABLE:
- dev_dbg(&desc->intf->dev,
- "NOTIFY_RESPONSE_AVAILABLE received: index %d len %d",
-- dr->wIndex, dr->wLength);
-+ le16_to_cpu(dr->wIndex), le16_to_cpu(dr->wLength));
- break;
-
- case USB_CDC_NOTIFY_NETWORK_CONNECTION:
-@@ -262,7 +262,9 @@ static void wdm_int_callback(struct urb *urb)
- clear_bit(WDM_POLL_RUNNING, &desc->flags);
- dev_err(&desc->intf->dev,
- "unknown notification %d received: index %d len %d\n",
-- dr->bNotificationType, dr->wIndex, dr->wLength);
-+ dr->bNotificationType,
-+ le16_to_cpu(dr->wIndex),
-+ le16_to_cpu(dr->wLength));
- goto exit;
- }
-
-@@ -408,7 +410,7 @@ static ssize_t wdm_write
- USB_RECIP_INTERFACE);
- req->bRequest = USB_CDC_SEND_ENCAPSULATED_COMMAND;
- req->wValue = 0;
-- req->wIndex = desc->inum;
-+ req->wIndex = desc->inum; /* already converted */
- req->wLength = cpu_to_le16(count);
- set_bit(WDM_IN_USE, &desc->flags);
- desc->outbuf = buf;
-@@ -422,7 +424,7 @@ static ssize_t wdm_write
- rv = usb_translate_errors(rv);
- } else {
- dev_dbg(&desc->intf->dev, "Tx URB has been submitted index=%d",
-- req->wIndex);
-+ le16_to_cpu(req->wIndex));
- }
- out:
- usb_autopm_put_interface(desc->intf);
-@@ -820,7 +822,7 @@ static int wdm_create(struct usb_interface *intf, struct usb_endpoint_descriptor
- desc->irq->bRequestType = (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE);
- desc->irq->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE;
- desc->irq->wValue = 0;
-- desc->irq->wIndex = desc->inum;
-+ desc->irq->wIndex = desc->inum; /* already converted */
- desc->irq->wLength = cpu_to_le16(desc->wMaxCommand);
-
- usb_fill_control_urb(
-diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
-index d7c3d5a..3b71516 100644
---- a/drivers/usb/core/hub.c
-+++ b/drivers/usb/core/hub.c
-@@ -3406,10 +3406,10 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg)
- if (status) {
- dev_dbg(&port_dev->dev, "can't resume, status %d\n", status);
- } else {
-- /* drive resume for at least 20 msec */
-+ /* drive resume for USB_RESUME_TIMEOUT msec */
- dev_dbg(&udev->dev, "usb %sresume\n",
- (PMSG_IS_AUTO(msg) ? "auto-" : ""));
-- msleep(25);
-+ msleep(USB_RESUME_TIMEOUT);
-
- /* Virtual root hubs can trigger on GET_PORT_STATUS to
- * stop resume signaling. Then finish the resume
-diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
-index c78c874..758b7e0 100644
---- a/drivers/usb/dwc2/hcd.c
-+++ b/drivers/usb/dwc2/hcd.c
-@@ -1521,7 +1521,7 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
- dev_dbg(hsotg->dev,
- "ClearPortFeature USB_PORT_FEAT_SUSPEND\n");
- writel(0, hsotg->regs + PCGCTL);
-- usleep_range(20000, 40000);
-+ msleep(USB_RESUME_TIMEOUT);
-
- hprt0 = dwc2_read_hprt0(hsotg);
- hprt0 |= HPRT0_RES;
-diff --git a/drivers/usb/gadget/legacy/printer.c b/drivers/usb/gadget/legacy/printer.c
-index 9054598..6385c19 100644
---- a/drivers/usb/gadget/legacy/printer.c
-+++ b/drivers/usb/gadget/legacy/printer.c
-@@ -1031,6 +1031,15 @@ unknown:
- break;
- }
- /* host either stalls (value < 0) or reports success */
-+ if (value >= 0) {
-+ req->length = value;
-+ req->zero = value < wLength;
-+ value = usb_ep_queue(cdev->gadget->ep0, req, GFP_ATOMIC);
-+ if (value < 0) {
-+ ERROR(dev, "%s:%d Error!\n", __func__, __LINE__);
-+ req->status = 0;
-+ }
-+ }
- return value;
- }
-
-diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
-index 85e56d1..f4d88df 100644
---- a/drivers/usb/host/ehci-hcd.c
-+++ b/drivers/usb/host/ehci-hcd.c
-@@ -792,12 +792,12 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
- ehci->reset_done[i] == 0))
- continue;
-
-- /* start 20 msec resume signaling from this port,
-- * and make hub_wq collect PORT_STAT_C_SUSPEND to
-- * stop that signaling. Use 5 ms extra for safety,
-- * like usb_port_resume() does.
-+ /* start USB_RESUME_TIMEOUT msec resume signaling from
-+ * this port, and make hub_wq collect
-+ * PORT_STAT_C_SUSPEND to stop that signaling.
- */
-- ehci->reset_done[i] = jiffies + msecs_to_jiffies(25);
-+ ehci->reset_done[i] = jiffies +
-+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
- set_bit(i, &ehci->resuming_ports);
- ehci_dbg (ehci, "port %d remote wakeup\n", i + 1);
- usb_hcd_start_port_resume(&hcd->self, i);
-diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
-index 87cf86f..7354d01 100644
---- a/drivers/usb/host/ehci-hub.c
-+++ b/drivers/usb/host/ehci-hub.c
-@@ -471,10 +471,13 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
- ehci_writel(ehci, temp, &ehci->regs->port_status [i]);
- }
-
-- /* msleep for 20ms only if code is trying to resume port */
-+ /*
-+ * msleep for USB_RESUME_TIMEOUT ms only if code is trying to resume
-+ * port
-+ */
- if (resume_needed) {
- spin_unlock_irq(&ehci->lock);
-- msleep(20);
-+ msleep(USB_RESUME_TIMEOUT);
- spin_lock_irq(&ehci->lock);
- if (ehci->shutdown)
- goto shutdown;
-@@ -942,7 +945,7 @@ int ehci_hub_control(
- temp &= ~PORT_WAKE_BITS;
- ehci_writel(ehci, temp | PORT_RESUME, status_reg);
- ehci->reset_done[wIndex] = jiffies
-- + msecs_to_jiffies(20);
-+ + msecs_to_jiffies(USB_RESUME_TIMEOUT);
- set_bit(wIndex, &ehci->resuming_ports);
- usb_hcd_start_port_resume(&hcd->self, wIndex);
- break;
-diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
-index 475b21f..7a6681f 100644
---- a/drivers/usb/host/fotg210-hcd.c
-+++ b/drivers/usb/host/fotg210-hcd.c
-@@ -1595,7 +1595,7 @@ static int fotg210_hub_control(
- /* resume signaling for 20 msec */
- fotg210_writel(fotg210, temp | PORT_RESUME, status_reg);
- fotg210->reset_done[wIndex] = jiffies
-- + msecs_to_jiffies(20);
-+ + msecs_to_jiffies(USB_RESUME_TIMEOUT);
- break;
- case USB_PORT_FEAT_C_SUSPEND:
- clear_bit(wIndex, &fotg210->port_c_suspend);
-diff --git a/drivers/usb/host/fusbh200-hcd.c b/drivers/usb/host/fusbh200-hcd.c
-index a83eefe..ba77e2e 100644
---- a/drivers/usb/host/fusbh200-hcd.c
-+++ b/drivers/usb/host/fusbh200-hcd.c
-@@ -1550,10 +1550,9 @@ static int fusbh200_hub_control (
- if ((temp & PORT_PE) == 0)
- goto error;
-
-- /* resume signaling for 20 msec */
- fusbh200_writel(fusbh200, temp | PORT_RESUME, status_reg);
- fusbh200->reset_done[wIndex] = jiffies
-- + msecs_to_jiffies(20);
-+ + msecs_to_jiffies(USB_RESUME_TIMEOUT);
- break;
- case USB_PORT_FEAT_C_SUSPEND:
- clear_bit(wIndex, &fusbh200->port_c_suspend);
-diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
-index 113d0cc..9ef5644 100644
---- a/drivers/usb/host/isp116x-hcd.c
-+++ b/drivers/usb/host/isp116x-hcd.c
-@@ -1490,7 +1490,7 @@ static int isp116x_bus_resume(struct usb_hcd *hcd)
- spin_unlock_irq(&isp116x->lock);
-
- hcd->state = HC_STATE_RESUMING;
-- msleep(20);
-+ msleep(USB_RESUME_TIMEOUT);
-
- /* Go operational */
- spin_lock_irq(&isp116x->lock);
-diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c
-index ef7efb2..28a2866 100644
---- a/drivers/usb/host/oxu210hp-hcd.c
-+++ b/drivers/usb/host/oxu210hp-hcd.c
-@@ -2500,11 +2500,12 @@ static irqreturn_t oxu210_hcd_irq(struct usb_hcd *hcd)
- || oxu->reset_done[i] != 0)
- continue;
-
-- /* start 20 msec resume signaling from this port,
-- * and make hub_wq collect PORT_STAT_C_SUSPEND to
-+ /* start USB_RESUME_TIMEOUT resume signaling from this
-+ * port, and make hub_wq collect PORT_STAT_C_SUSPEND to
- * stop that signaling.
- */
-- oxu->reset_done[i] = jiffies + msecs_to_jiffies(20);
-+ oxu->reset_done[i] = jiffies +
-+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
- oxu_dbg(oxu, "port %d remote wakeup\n", i + 1);
- mod_timer(&hcd->rh_timer, oxu->reset_done[i]);
- }
-diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
-index bdc82fe..54a4170 100644
---- a/drivers/usb/host/r8a66597-hcd.c
-+++ b/drivers/usb/host/r8a66597-hcd.c
-@@ -2301,7 +2301,7 @@ static int r8a66597_bus_resume(struct usb_hcd *hcd)
- rh->port &= ~USB_PORT_STAT_SUSPEND;
- rh->port |= USB_PORT_STAT_C_SUSPEND << 16;
- r8a66597_mdfy(r8a66597, RESUME, RESUME | UACT, dvstctr_reg);
-- msleep(50);
-+ msleep(USB_RESUME_TIMEOUT);
- r8a66597_mdfy(r8a66597, UACT, RESUME | UACT, dvstctr_reg);
- }
-
-diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
-index 4f4ba1e..9118cd8 100644
---- a/drivers/usb/host/sl811-hcd.c
-+++ b/drivers/usb/host/sl811-hcd.c
-@@ -1259,7 +1259,7 @@ sl811h_hub_control(
- sl811_write(sl811, SL11H_CTLREG1, sl811->ctrl1);
-
- mod_timer(&sl811->timer, jiffies
-- + msecs_to_jiffies(20));
-+ + msecs_to_jiffies(USB_RESUME_TIMEOUT));
- break;
- case USB_PORT_FEAT_POWER:
- port_power(sl811, 0);
-diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c
-index 19ba5ea..7b3d1af 100644
---- a/drivers/usb/host/uhci-hub.c
-+++ b/drivers/usb/host/uhci-hub.c
-@@ -166,7 +166,7 @@ static void uhci_check_ports(struct uhci_hcd *uhci)
- /* Port received a wakeup request */
- set_bit(port, &uhci->resuming_ports);
- uhci->ports_timeout = jiffies +
-- msecs_to_jiffies(25);
-+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
- usb_hcd_start_port_resume(
- &uhci_to_hcd(uhci)->self, port);
-
-@@ -338,7 +338,8 @@ static int uhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
- uhci_finish_suspend(uhci, port, port_addr);
-
- /* USB v2.0 7.1.7.5 */
-- uhci->ports_timeout = jiffies + msecs_to_jiffies(50);
-+ uhci->ports_timeout = jiffies +
-+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
- break;
- case USB_PORT_FEAT_POWER:
- /* UHCI has no power switching */
-diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
-index 73485fa..eeedde8 100644
---- a/drivers/usb/host/xhci-ring.c
-+++ b/drivers/usb/host/xhci-ring.c
-@@ -1574,7 +1574,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
- } else {
- xhci_dbg(xhci, "resume HS port %d\n", port_id);
- bus_state->resume_done[faked_port_index] = jiffies +
-- msecs_to_jiffies(20);
-+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
- set_bit(faked_port_index, &bus_state->resuming_ports);
- mod_timer(&hcd->rh_timer,
- bus_state->resume_done[faked_port_index]);
-diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c
-index 3cb98b1..7911b6b 100644
---- a/drivers/usb/isp1760/isp1760-hcd.c
-+++ b/drivers/usb/isp1760/isp1760-hcd.c
-@@ -1869,7 +1869,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
- reg_write32(hcd->regs, HC_PORTSC1,
- temp | PORT_RESUME);
- priv->reset_done = jiffies +
-- msecs_to_jiffies(20);
-+ msecs_to_jiffies(USB_RESUME_TIMEOUT);
- }
- break;
- case USB_PORT_FEAT_C_SUSPEND:
-diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
-index 067920f..ec0ee3b 100644
---- a/drivers/usb/musb/musb_core.c
-+++ b/drivers/usb/musb/musb_core.c
-@@ -99,6 +99,7 @@
- #include <linux/platform_device.h>
- #include <linux/io.h>
- #include <linux/dma-mapping.h>
-+#include <linux/usb.h>
-
- #include "musb_core.h"
-
-@@ -562,7 +563,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
- (USB_PORT_STAT_C_SUSPEND << 16)
- | MUSB_PORT_STAT_RESUME;
- musb->rh_timer = jiffies
-- + msecs_to_jiffies(20);
-+ + msecs_to_jiffies(USB_RESUME_TIMEOUT);
- musb->need_finish_resume = 1;
-
- musb->xceiv->otg->state = OTG_STATE_A_HOST;
-@@ -1597,16 +1598,30 @@ irqreturn_t musb_interrupt(struct musb *musb)
- is_host_active(musb) ? "host" : "peripheral",
- musb->int_usb, musb->int_tx, musb->int_rx);
-
-- /* the core can interrupt us for multiple reasons; docs have
-- * a generic interrupt flowchart to follow
-+ /**
-+ * According to Mentor Graphics' documentation, flowchart on page 98,
-+ * IRQ should be handled as follows:
-+ *
-+ * . Resume IRQ
-+ * . Session Request IRQ
-+ * . VBUS Error IRQ
-+ * . Suspend IRQ
-+ * . Connect IRQ
-+ * . Disconnect IRQ
-+ * . Reset/Babble IRQ
-+ * . SOF IRQ (we're not using this one)
-+ * . Endpoint 0 IRQ
-+ * . TX Endpoints
-+ * . RX Endpoints
-+ *
-+ * We will be following that flowchart in order to avoid any problems
-+ * that might arise with internal Finite State Machine.
- */
-+
- if (musb->int_usb)
- retval |= musb_stage0_irq(musb, musb->int_usb,
- devctl);
-
-- /* "stage 1" is handling endpoint irqs */
--
-- /* handle endpoint 0 first */
- if (musb->int_tx & 1) {
- if (is_host_active(musb))
- retval |= musb_h_ep0_irq(musb);
-@@ -1614,37 +1629,31 @@ irqreturn_t musb_interrupt(struct musb *musb)
- retval |= musb_g_ep0_irq(musb);
- }
-
-- /* RX on endpoints 1-15 */
-- reg = musb->int_rx >> 1;
-+ reg = musb->int_tx >> 1;
- ep_num = 1;
- while (reg) {
- if (reg & 1) {
-- /* musb_ep_select(musb->mregs, ep_num); */
-- /* REVISIT just retval = ep->rx_irq(...) */
- retval = IRQ_HANDLED;
- if (is_host_active(musb))
-- musb_host_rx(musb, ep_num);
-+ musb_host_tx(musb, ep_num);
- else
-- musb_g_rx(musb, ep_num);
-+ musb_g_tx(musb, ep_num);
- }
--
- reg >>= 1;
- ep_num++;
- }
-
-- /* TX on endpoints 1-15 */
-- reg = musb->int_tx >> 1;
-+ reg = musb->int_rx >> 1;
- ep_num = 1;
- while (reg) {
- if (reg & 1) {
-- /* musb_ep_select(musb->mregs, ep_num); */
-- /* REVISIT just retval |= ep->tx_irq(...) */
- retval = IRQ_HANDLED;
- if (is_host_active(musb))
-- musb_host_tx(musb, ep_num);
-+ musb_host_rx(musb, ep_num);
- else
-- musb_g_tx(musb, ep_num);
-+ musb_g_rx(musb, ep_num);
- }
-+
- reg >>= 1;
- ep_num++;
- }
-@@ -2463,7 +2472,7 @@ static int musb_resume(struct device *dev)
- if (musb->need_finish_resume) {
- musb->need_finish_resume = 0;
- schedule_delayed_work(&musb->finish_resume_work,
-- msecs_to_jiffies(20));
-+ msecs_to_jiffies(USB_RESUME_TIMEOUT));
- }
-
- /*
-@@ -2506,7 +2515,7 @@ static int musb_runtime_resume(struct device *dev)
- if (musb->need_finish_resume) {
- musb->need_finish_resume = 0;
- schedule_delayed_work(&musb->finish_resume_work,
-- msecs_to_jiffies(20));
-+ msecs_to_jiffies(USB_RESUME_TIMEOUT));
- }
-
- return 0;
-diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
-index 294e159..5428ed1 100644
---- a/drivers/usb/musb/musb_virthub.c
-+++ b/drivers/usb/musb/musb_virthub.c
-@@ -136,7 +136,7 @@ void musb_port_suspend(struct musb *musb, bool do_suspend)
- /* later, GetPortStatus will stop RESUME signaling */
- musb->port1_status |= MUSB_PORT_STAT_RESUME;
- schedule_delayed_work(&musb->finish_resume_work,
-- msecs_to_jiffies(20));
-+ msecs_to_jiffies(USB_RESUME_TIMEOUT));
- }
- }
-
-diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
-index 2f9735b..d1cd6b5 100644
---- a/drivers/usb/phy/phy.c
-+++ b/drivers/usb/phy/phy.c
-@@ -81,7 +81,9 @@ static void devm_usb_phy_release(struct device *dev, void *res)
-
- static int devm_usb_phy_match(struct device *dev, void *res, void *match_data)
- {
-- return res == match_data;
-+ struct usb_phy **phy = res;
-+
-+ return *phy == match_data;
- }
-
- /**
-diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
-index 995986b..d925f55 100644
---- a/fs/binfmt_elf.c
-+++ b/fs/binfmt_elf.c
-@@ -862,6 +862,7 @@ static int load_elf_binary(struct linux_binprm *bprm)
- i < loc->elf_ex.e_phnum; i++, elf_ppnt++) {
- int elf_prot = 0, elf_flags;
- unsigned long k, vaddr;
-+ unsigned long total_size = 0;
-
- if (elf_ppnt->p_type != PT_LOAD)
- continue;
-@@ -924,10 +925,16 @@ static int load_elf_binary(struct linux_binprm *bprm)
- #else
- load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr);
- #endif
-+ total_size = total_mapping_size(elf_phdata,
-+ loc->elf_ex.e_phnum);
-+ if (!total_size) {
-+ error = -EINVAL;
-+ goto out_free_dentry;
-+ }
- }
-
- error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt,
-- elf_prot, elf_flags, 0);
-+ elf_prot, elf_flags, total_size);
- if (BAD_ADDR(error)) {
- retval = IS_ERR((void *)error) ?
- PTR_ERR((void*)error) : -EINVAL;
-diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
-index 8b353ad..0a795c9 100644
---- a/fs/btrfs/extent-tree.c
-+++ b/fs/btrfs/extent-tree.c
-@@ -6956,12 +6956,11 @@ static int __btrfs_free_reserved_extent(struct btrfs_root *root,
- return -ENOSPC;
- }
-
-- if (btrfs_test_opt(root, DISCARD))
-- ret = btrfs_discard_extent(root, start, len, NULL);
--
- if (pin)
- pin_down_extent(root, cache, start, len, 1);
- else {
-+ if (btrfs_test_opt(root, DISCARD))
-+ ret = btrfs_discard_extent(root, start, len, NULL);
- btrfs_add_free_space(cache, start, len);
- btrfs_update_reserved_bytes(cache, len, RESERVE_FREE, delalloc);
- }
-diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
-index 74609b9..f23d4be 100644
---- a/fs/btrfs/ioctl.c
-+++ b/fs/btrfs/ioctl.c
-@@ -2897,6 +2897,9 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 len,
- if (src == dst)
- return -EINVAL;
-
-+ if (len == 0)
-+ return 0;
-+
- btrfs_double_lock(src, loff, dst, dst_loff, len);
-
- ret = extent_same_check_offsets(src, loff, len);
-@@ -3626,6 +3629,11 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
- if (off + len == src->i_size)
- len = ALIGN(src->i_size, bs) - off;
-
-+ if (len == 0) {
-+ ret = 0;
-+ goto out_unlock;
-+ }
-+
- /* verify the end result is block aligned */
- if (!IS_ALIGNED(off, bs) || !IS_ALIGNED(off + len, bs) ||
- !IS_ALIGNED(destoff, bs))
-diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
-index 883b936..45ea704 100644
---- a/fs/btrfs/xattr.c
-+++ b/fs/btrfs/xattr.c
-@@ -364,22 +364,42 @@ const struct xattr_handler *btrfs_xattr_handlers[] = {
- /*
- * Check if the attribute is in a supported namespace.
- *
-- * This applied after the check for the synthetic attributes in the system
-+ * This is applied after the check for the synthetic attributes in the system
- * namespace.
- */
--static bool btrfs_is_valid_xattr(const char *name)
-+static int btrfs_is_valid_xattr(const char *name)
- {
-- return !strncmp(name, XATTR_SECURITY_PREFIX,
-- XATTR_SECURITY_PREFIX_LEN) ||
-- !strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN) ||
-- !strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN) ||
-- !strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN) ||
-- !strncmp(name, XATTR_BTRFS_PREFIX, XATTR_BTRFS_PREFIX_LEN);
-+ int len = strlen(name);
-+ int prefixlen = 0;
-+
-+ if (!strncmp(name, XATTR_SECURITY_PREFIX,
-+ XATTR_SECURITY_PREFIX_LEN))
-+ prefixlen = XATTR_SECURITY_PREFIX_LEN;
-+ else if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
-+ prefixlen = XATTR_SYSTEM_PREFIX_LEN;
-+ else if (!strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN))
-+ prefixlen = XATTR_TRUSTED_PREFIX_LEN;
-+ else if (!strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN))
-+ prefixlen = XATTR_USER_PREFIX_LEN;
-+ else if (!strncmp(name, XATTR_BTRFS_PREFIX, XATTR_BTRFS_PREFIX_LEN))
-+ prefixlen = XATTR_BTRFS_PREFIX_LEN;
-+ else
-+ return -EOPNOTSUPP;
-+
-+ /*
-+ * The name cannot consist of just prefix
-+ */
-+ if (len <= prefixlen)
-+ return -EINVAL;
-+
-+ return 0;
- }
-
- ssize_t btrfs_getxattr(struct dentry *dentry, const char *name,
- void *buffer, size_t size)
- {
-+ int ret;
-+
- /*
- * If this is a request for a synthetic attribute in the system.*
- * namespace use the generic infrastructure to resolve a handler
-@@ -388,8 +408,9 @@ ssize_t btrfs_getxattr(struct dentry *dentry, const char *name,
- if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
- return generic_getxattr(dentry, name, buffer, size);
-
-- if (!btrfs_is_valid_xattr(name))
-- return -EOPNOTSUPP;
-+ ret = btrfs_is_valid_xattr(name);
-+ if (ret)
-+ return ret;
- return __btrfs_getxattr(dentry->d_inode, name, buffer, size);
- }
-
-@@ -397,6 +418,7 @@ int btrfs_setxattr(struct dentry *dentry, const char *name, const void *value,
- size_t size, int flags)
- {
- struct btrfs_root *root = BTRFS_I(dentry->d_inode)->root;
-+ int ret;
-
- /*
- * The permission on security.* and system.* is not checked
-@@ -413,8 +435,9 @@ int btrfs_setxattr(struct dentry *dentry, const char *name, const void *value,
- if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
- return generic_setxattr(dentry, name, value, size, flags);
-
-- if (!btrfs_is_valid_xattr(name))
-- return -EOPNOTSUPP;
-+ ret = btrfs_is_valid_xattr(name);
-+ if (ret)
-+ return ret;
-
- if (!strncmp(name, XATTR_BTRFS_PREFIX, XATTR_BTRFS_PREFIX_LEN))
- return btrfs_set_prop(dentry->d_inode, name,
-@@ -430,6 +453,7 @@ int btrfs_setxattr(struct dentry *dentry, const char *name, const void *value,
- int btrfs_removexattr(struct dentry *dentry, const char *name)
- {
- struct btrfs_root *root = BTRFS_I(dentry->d_inode)->root;
-+ int ret;
-
- /*
- * The permission on security.* and system.* is not checked
-@@ -446,8 +470,9 @@ int btrfs_removexattr(struct dentry *dentry, const char *name)
- if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
- return generic_removexattr(dentry, name);
-
-- if (!btrfs_is_valid_xattr(name))
-- return -EOPNOTSUPP;
-+ ret = btrfs_is_valid_xattr(name);
-+ if (ret)
-+ return ret;
-
- if (!strncmp(name, XATTR_BTRFS_PREFIX, XATTR_BTRFS_PREFIX_LEN))
- return btrfs_set_prop(dentry->d_inode, name,
-diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
-index 28fe71a..aae7011 100644
---- a/fs/ext4/namei.c
-+++ b/fs/ext4/namei.c
-@@ -1865,7 +1865,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
- struct inode *inode)
- {
- struct inode *dir = dentry->d_parent->d_inode;
-- struct buffer_head *bh;
-+ struct buffer_head *bh = NULL;
- struct ext4_dir_entry_2 *de;
- struct ext4_dir_entry_tail *t;
- struct super_block *sb;
-@@ -1889,14 +1889,14 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
- return retval;
- if (retval == 1) {
- retval = 0;
-- return retval;
-+ goto out;
- }
- }
-
- if (is_dx(dir)) {
- retval = ext4_dx_add_entry(handle, dentry, inode);
- if (!retval || (retval != ERR_BAD_DX_DIR))
-- return retval;
-+ goto out;
- ext4_clear_inode_flag(dir, EXT4_INODE_INDEX);
- dx_fallback++;
- ext4_mark_inode_dirty(handle, dir);
-@@ -1908,14 +1908,15 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
- return PTR_ERR(bh);
-
- retval = add_dirent_to_buf(handle, dentry, inode, NULL, bh);
-- if (retval != -ENOSPC) {
-- brelse(bh);
-- return retval;
-- }
-+ if (retval != -ENOSPC)
-+ goto out;
-
- if (blocks == 1 && !dx_fallback &&
-- EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_DIR_INDEX))
-- return make_indexed_dir(handle, dentry, inode, bh);
-+ EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_DIR_INDEX)) {
-+ retval = make_indexed_dir(handle, dentry, inode, bh);
-+ bh = NULL; /* make_indexed_dir releases bh */
-+ goto out;
-+ }
- brelse(bh);
- }
- bh = ext4_append(handle, dir, &block);
-@@ -1931,6 +1932,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
- }
-
- retval = add_dirent_to_buf(handle, dentry, inode, de, bh);
-+out:
- brelse(bh);
- if (retval == 0)
- ext4_set_inode_state(inode, EXT4_STATE_NEWENTRY);
-diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
-index 665ef5a..a563ddb 100644
---- a/fs/lockd/svcsubs.c
-+++ b/fs/lockd/svcsubs.c
-@@ -31,7 +31,7 @@
- static struct hlist_head nlm_files[FILE_NRHASH];
- static DEFINE_MUTEX(nlm_file_mutex);
-
--#ifdef NFSD_DEBUG
-+#ifdef CONFIG_SUNRPC_DEBUG
- static inline void nlm_debug_print_fh(char *msg, struct nfs_fh *f)
- {
- u32 *fhp = (u32*)f->data;
-diff --git a/fs/namei.c b/fs/namei.c
-index c83145a..caa38a2 100644
---- a/fs/namei.c
-+++ b/fs/namei.c
-@@ -1591,7 +1591,8 @@ static inline int walk_component(struct nameidata *nd, struct path *path,
-
- if (should_follow_link(path->dentry, follow)) {
- if (nd->flags & LOOKUP_RCU) {
-- if (unlikely(unlazy_walk(nd, path->dentry))) {
-+ if (unlikely(nd->path.mnt != path->mnt ||
-+ unlazy_walk(nd, path->dentry))) {
- err = -ECHILD;
- goto out_err;
- }
-@@ -3047,7 +3048,8 @@ finish_lookup:
-
- if (should_follow_link(path->dentry, !symlink_ok)) {
- if (nd->flags & LOOKUP_RCU) {
-- if (unlikely(unlazy_walk(nd, path->dentry))) {
-+ if (unlikely(nd->path.mnt != path->mnt ||
-+ unlazy_walk(nd, path->dentry))) {
- error = -ECHILD;
- goto out;
- }
-diff --git a/fs/namespace.c b/fs/namespace.c
-index 82ef140..4622ee3 100644
---- a/fs/namespace.c
-+++ b/fs/namespace.c
-@@ -632,14 +632,17 @@ struct mount *__lookup_mnt(struct vfsmount *mnt, struct dentry *dentry)
- */
- struct mount *__lookup_mnt_last(struct vfsmount *mnt, struct dentry *dentry)
- {
-- struct mount *p, *res;
-- res = p = __lookup_mnt(mnt, dentry);
-+ struct mount *p, *res = NULL;
-+ p = __lookup_mnt(mnt, dentry);
- if (!p)
- goto out;
-+ if (!(p->mnt.mnt_flags & MNT_UMOUNT))
-+ res = p;
- hlist_for_each_entry_continue(p, mnt_hash) {
- if (&p->mnt_parent->mnt != mnt || p->mnt_mountpoint != dentry)
- break;
-- res = p;
-+ if (!(p->mnt.mnt_flags & MNT_UMOUNT))
-+ res = p;
- }
- out:
- return res;
-@@ -795,10 +798,8 @@ static void __touch_mnt_namespace(struct mnt_namespace *ns)
- /*
- * vfsmount lock must be held for write
- */
--static void detach_mnt(struct mount *mnt, struct path *old_path)
-+static void unhash_mnt(struct mount *mnt)
- {
-- old_path->dentry = mnt->mnt_mountpoint;
-- old_path->mnt = &mnt->mnt_parent->mnt;
- mnt->mnt_parent = mnt;
- mnt->mnt_mountpoint = mnt->mnt.mnt_root;
- list_del_init(&mnt->mnt_child);
-@@ -811,6 +812,26 @@ static void detach_mnt(struct mount *mnt, struct path *old_path)
- /*
- * vfsmount lock must be held for write
- */
-+static void detach_mnt(struct mount *mnt, struct path *old_path)
-+{
-+ old_path->dentry = mnt->mnt_mountpoint;
-+ old_path->mnt = &mnt->mnt_parent->mnt;
-+ unhash_mnt(mnt);
-+}
-+
-+/*
-+ * vfsmount lock must be held for write
-+ */
-+static void umount_mnt(struct mount *mnt)
-+{
-+ /* old mountpoint will be dropped when we can do that */
-+ mnt->mnt_ex_mountpoint = mnt->mnt_mountpoint;
-+ unhash_mnt(mnt);
-+}
-+
-+/*
-+ * vfsmount lock must be held for write
-+ */
- void mnt_set_mountpoint(struct mount *mnt,
- struct mountpoint *mp,
- struct mount *child_mnt)
-@@ -1078,6 +1099,13 @@ static void mntput_no_expire(struct mount *mnt)
- rcu_read_unlock();
-
- list_del(&mnt->mnt_instance);
-+
-+ if (unlikely(!list_empty(&mnt->mnt_mounts))) {
-+ struct mount *p, *tmp;
-+ list_for_each_entry_safe(p, tmp, &mnt->mnt_mounts, mnt_child) {
-+ umount_mnt(p);
-+ }
-+ }
- unlock_mount_hash();
-
- if (likely(!(mnt->mnt.mnt_flags & MNT_INTERNAL))) {
-@@ -1319,49 +1347,63 @@ static inline void namespace_lock(void)
- down_write(&namespace_sem);
- }
-
-+enum umount_tree_flags {
-+ UMOUNT_SYNC = 1,
-+ UMOUNT_PROPAGATE = 2,
-+ UMOUNT_CONNECTED = 4,
-+};
- /*
- * mount_lock must be held
- * namespace_sem must be held for write
-- * how = 0 => just this tree, don't propagate
-- * how = 1 => propagate; we know that nobody else has reference to any victims
-- * how = 2 => lazy umount
- */
--void umount_tree(struct mount *mnt, int how)
-+static void umount_tree(struct mount *mnt, enum umount_tree_flags how)
- {
-- HLIST_HEAD(tmp_list);
-+ LIST_HEAD(tmp_list);
- struct mount *p;
-
-+ if (how & UMOUNT_PROPAGATE)
-+ propagate_mount_unlock(mnt);
-+
-+ /* Gather the mounts to umount */
- for (p = mnt; p; p = next_mnt(p, mnt)) {
-- hlist_del_init_rcu(&p->mnt_hash);
-- hlist_add_head(&p->mnt_hash, &tmp_list);
-+ p->mnt.mnt_flags |= MNT_UMOUNT;
-+ list_move(&p->mnt_list, &tmp_list);
- }
-
-- hlist_for_each_entry(p, &tmp_list, mnt_hash)
-+ /* Hide the mounts from mnt_mounts */
-+ list_for_each_entry(p, &tmp_list, mnt_list) {
- list_del_init(&p->mnt_child);
-+ }
-
-- if (how)
-+ /* Add propogated mounts to the tmp_list */
-+ if (how & UMOUNT_PROPAGATE)
- propagate_umount(&tmp_list);
-
-- while (!hlist_empty(&tmp_list)) {
-- p = hlist_entry(tmp_list.first, struct mount, mnt_hash);
-- hlist_del_init_rcu(&p->mnt_hash);
-+ while (!list_empty(&tmp_list)) {
-+ bool disconnect;
-+ p = list_first_entry(&tmp_list, struct mount, mnt_list);
- list_del_init(&p->mnt_expire);
- list_del_init(&p->mnt_list);
- __touch_mnt_namespace(p->mnt_ns);
- p->mnt_ns = NULL;
-- if (how < 2)
-+ if (how & UMOUNT_SYNC)
- p->mnt.mnt_flags |= MNT_SYNC_UMOUNT;
-
-- pin_insert_group(&p->mnt_umount, &p->mnt_parent->mnt, &unmounted);
-+ disconnect = !(((how & UMOUNT_CONNECTED) &&
-+ mnt_has_parent(p) &&
-+ (p->mnt_parent->mnt.mnt_flags & MNT_UMOUNT)) ||
-+ IS_MNT_LOCKED_AND_LAZY(p));
-+
-+ pin_insert_group(&p->mnt_umount, &p->mnt_parent->mnt,
-+ disconnect ? &unmounted : NULL);
- if (mnt_has_parent(p)) {
-- hlist_del_init(&p->mnt_mp_list);
-- put_mountpoint(p->mnt_mp);
- mnt_add_count(p->mnt_parent, -1);
-- /* old mountpoint will be dropped when we can do that */
-- p->mnt_ex_mountpoint = p->mnt_mountpoint;
-- p->mnt_mountpoint = p->mnt.mnt_root;
-- p->mnt_parent = p;
-- p->mnt_mp = NULL;
-+ if (!disconnect) {
-+ /* Don't forget about p */
-+ list_add_tail(&p->mnt_child, &p->mnt_parent->mnt_mounts);
-+ } else {
-+ umount_mnt(p);
-+ }
- }
- change_mnt_propagation(p, MS_PRIVATE);
- }
-@@ -1447,14 +1489,14 @@ static int do_umount(struct mount *mnt, int flags)
-
- if (flags & MNT_DETACH) {
- if (!list_empty(&mnt->mnt_list))
-- umount_tree(mnt, 2);
-+ umount_tree(mnt, UMOUNT_PROPAGATE);
- retval = 0;
- } else {
- shrink_submounts(mnt);
- retval = -EBUSY;
- if (!propagate_mount_busy(mnt, 2)) {
- if (!list_empty(&mnt->mnt_list))
-- umount_tree(mnt, 1);
-+ umount_tree(mnt, UMOUNT_PROPAGATE|UMOUNT_SYNC);
- retval = 0;
- }
- }
-@@ -1480,13 +1522,20 @@ void __detach_mounts(struct dentry *dentry)
-
- namespace_lock();
- mp = lookup_mountpoint(dentry);
-- if (!mp)
-+ if (IS_ERR_OR_NULL(mp))
- goto out_unlock;
-
- lock_mount_hash();
- while (!hlist_empty(&mp->m_list)) {
- mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list);
-- umount_tree(mnt, 2);
-+ if (mnt->mnt.mnt_flags & MNT_UMOUNT) {
-+ struct mount *p, *tmp;
-+ list_for_each_entry_safe(p, tmp, &mnt->mnt_mounts, mnt_child) {
-+ hlist_add_head(&p->mnt_umount.s_list, &unmounted);
-+ umount_mnt(p);
-+ }
-+ }
-+ else umount_tree(mnt, UMOUNT_CONNECTED);
- }
- unlock_mount_hash();
- put_mountpoint(mp);
-@@ -1648,7 +1697,7 @@ struct mount *copy_tree(struct mount *mnt, struct dentry *dentry,
- out:
- if (res) {
- lock_mount_hash();
-- umount_tree(res, 0);
-+ umount_tree(res, UMOUNT_SYNC);
- unlock_mount_hash();
- }
- return q;
-@@ -1672,7 +1721,7 @@ void drop_collected_mounts(struct vfsmount *mnt)
- {
- namespace_lock();
- lock_mount_hash();
-- umount_tree(real_mount(mnt), 0);
-+ umount_tree(real_mount(mnt), UMOUNT_SYNC);
- unlock_mount_hash();
- namespace_unlock();
- }
-@@ -1855,7 +1904,7 @@ static int attach_recursive_mnt(struct mount *source_mnt,
- out_cleanup_ids:
- while (!hlist_empty(&tree_list)) {
- child = hlist_entry(tree_list.first, struct mount, mnt_hash);
-- umount_tree(child, 0);
-+ umount_tree(child, UMOUNT_SYNC);
- }
- unlock_mount_hash();
- cleanup_group_ids(source_mnt, NULL);
-@@ -2035,7 +2084,7 @@ static int do_loopback(struct path *path, const char *old_name,
- err = graft_tree(mnt, parent, mp);
- if (err) {
- lock_mount_hash();
-- umount_tree(mnt, 0);
-+ umount_tree(mnt, UMOUNT_SYNC);
- unlock_mount_hash();
- }
- out2:
-@@ -2406,7 +2455,7 @@ void mark_mounts_for_expiry(struct list_head *mounts)
- while (!list_empty(&graveyard)) {
- mnt = list_first_entry(&graveyard, struct mount, mnt_expire);
- touch_mnt_namespace(mnt->mnt_ns);
-- umount_tree(mnt, 1);
-+ umount_tree(mnt, UMOUNT_PROPAGATE|UMOUNT_SYNC);
- }
- unlock_mount_hash();
- namespace_unlock();
-@@ -2477,7 +2526,7 @@ static void shrink_submounts(struct mount *mnt)
- m = list_first_entry(&graveyard, struct mount,
- mnt_expire);
- touch_mnt_namespace(m->mnt_ns);
-- umount_tree(m, 1);
-+ umount_tree(m, UMOUNT_PROPAGATE|UMOUNT_SYNC);
- }
- }
- }
-diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
-index 351be920..8d129bb 100644
---- a/fs/nfs/callback.c
-+++ b/fs/nfs/callback.c
-@@ -128,7 +128,7 @@ nfs41_callback_svc(void *vrqstp)
- if (try_to_freeze())
- continue;
-
-- prepare_to_wait(&serv->sv_cb_waitq, &wq, TASK_UNINTERRUPTIBLE);
-+ prepare_to_wait(&serv->sv_cb_waitq, &wq, TASK_INTERRUPTIBLE);
- spin_lock_bh(&serv->sv_cb_lock);
- if (!list_empty(&serv->sv_cb_list)) {
- req = list_first_entry(&serv->sv_cb_list,
-@@ -142,10 +142,10 @@ nfs41_callback_svc(void *vrqstp)
- error);
- } else {
- spin_unlock_bh(&serv->sv_cb_lock);
-- /* schedule_timeout to game the hung task watchdog */
-- schedule_timeout(60 * HZ);
-+ schedule();
- finish_wait(&serv->sv_cb_waitq, &wq);
- }
-+ flush_signals(current);
- }
- return 0;
- }
-diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
-index e907c8c..ab21ef1 100644
---- a/fs/nfs/direct.c
-+++ b/fs/nfs/direct.c
-@@ -129,22 +129,25 @@ nfs_direct_good_bytes(struct nfs_direct_req *dreq, struct nfs_pgio_header *hdr)
- int i;
- ssize_t count;
-
-- WARN_ON_ONCE(hdr->pgio_mirror_idx >= dreq->mirror_count);
--
-- count = dreq->mirrors[hdr->pgio_mirror_idx].count;
-- if (count + dreq->io_start < hdr->io_start + hdr->good_bytes) {
-- count = hdr->io_start + hdr->good_bytes - dreq->io_start;
-- dreq->mirrors[hdr->pgio_mirror_idx].count = count;
-- }
--
-- /* update the dreq->count by finding the minimum agreed count from all
-- * mirrors */
-- count = dreq->mirrors[0].count;
-+ if (dreq->mirror_count == 1) {
-+ dreq->mirrors[hdr->pgio_mirror_idx].count += hdr->good_bytes;
-+ dreq->count += hdr->good_bytes;
-+ } else {
-+ /* mirrored writes */
-+ count = dreq->mirrors[hdr->pgio_mirror_idx].count;
-+ if (count + dreq->io_start < hdr->io_start + hdr->good_bytes) {
-+ count = hdr->io_start + hdr->good_bytes - dreq->io_start;
-+ dreq->mirrors[hdr->pgio_mirror_idx].count = count;
-+ }
-+ /* update the dreq->count by finding the minimum agreed count from all
-+ * mirrors */
-+ count = dreq->mirrors[0].count;
-
-- for (i = 1; i < dreq->mirror_count; i++)
-- count = min(count, dreq->mirrors[i].count);
-+ for (i = 1; i < dreq->mirror_count; i++)
-+ count = min(count, dreq->mirrors[i].count);
-
-- dreq->count = count;
-+ dreq->count = count;
-+ }
- }
-
- /*
-diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
-index 5c399ec..d494ea2 100644
---- a/fs/nfs/nfs4xdr.c
-+++ b/fs/nfs/nfs4xdr.c
-@@ -7365,6 +7365,11 @@ nfs4_stat_to_errno(int stat)
- .p_name = #proc, \
- }
-
-+#define STUB(proc) \
-+[NFSPROC4_CLNT_##proc] = { \
-+ .p_name = #proc, \
-+}
-+
- struct rpc_procinfo nfs4_procedures[] = {
- PROC(READ, enc_read, dec_read),
- PROC(WRITE, enc_write, dec_write),
-@@ -7417,6 +7422,7 @@ struct rpc_procinfo nfs4_procedures[] = {
- PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name),
- PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid),
- PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid),
-+ STUB(GETDEVICELIST),
- PROC(BIND_CONN_TO_SESSION,
- enc_bind_conn_to_session, dec_bind_conn_to_session),
- PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid),
-diff --git a/fs/nfs/read.c b/fs/nfs/read.c
-index 568ecf0..848d8b1 100644
---- a/fs/nfs/read.c
-+++ b/fs/nfs/read.c
-@@ -284,7 +284,7 @@ int nfs_readpage(struct file *file, struct page *page)
- dprintk("NFS: nfs_readpage (%p %ld@%lu)\n",
- page, PAGE_CACHE_SIZE, page_file_index(page));
- nfs_inc_stats(inode, NFSIOS_VFSREADPAGE);
-- nfs_inc_stats(inode, NFSIOS_READPAGES);
-+ nfs_add_stats(inode, NFSIOS_READPAGES, 1);
-
- /*
- * Try to flush any pending writes to the file..
-diff --git a/fs/nfs/write.c b/fs/nfs/write.c
-index 849ed78..41b3f1096 100644
---- a/fs/nfs/write.c
-+++ b/fs/nfs/write.c
-@@ -580,7 +580,7 @@ static int nfs_do_writepage(struct page *page, struct writeback_control *wbc, st
- int ret;
-
- nfs_inc_stats(inode, NFSIOS_VFSWRITEPAGE);
-- nfs_inc_stats(inode, NFSIOS_WRITEPAGES);
-+ nfs_add_stats(inode, NFSIOS_WRITEPAGES, 1);
-
- nfs_pageio_cond_complete(pgio, page_file_index(page));
- ret = nfs_page_async_flush(pgio, page, wbc->sync_mode == WB_SYNC_NONE);
-diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
-index 92b9d97..5416968 100644
---- a/fs/nfsd/nfs4proc.c
-+++ b/fs/nfsd/nfs4proc.c
-@@ -1030,6 +1030,8 @@ nfsd4_fallocate(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- dprintk("NFSD: nfsd4_fallocate: couldn't process stateid!\n");
- return status;
- }
-+ if (!file)
-+ return nfserr_bad_stateid;
-
- status = nfsd4_vfs_fallocate(rqstp, &cstate->current_fh, file,
- fallocate->falloc_offset,
-@@ -1069,6 +1071,8 @@ nfsd4_seek(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- dprintk("NFSD: nfsd4_seek: couldn't process stateid!\n");
- return status;
- }
-+ if (!file)
-+ return nfserr_bad_stateid;
-
- switch (seek->seek_whence) {
- case NFS4_CONTENT_DATA:
-diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
-index 8ba1d88..ee1cccd 100644
---- a/fs/nfsd/nfs4state.c
-+++ b/fs/nfsd/nfs4state.c
-@@ -1139,7 +1139,7 @@ hash_sessionid(struct nfs4_sessionid *sessionid)
- return sid->sequence % SESSION_HASH_SIZE;
- }
-
--#ifdef NFSD_DEBUG
-+#ifdef CONFIG_SUNRPC_DEBUG
- static inline void
- dump_sessionid(const char *fn, struct nfs4_sessionid *sessionid)
- {
-diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
-index 5fb7e78..5b33ce1 100644
---- a/fs/nfsd/nfs4xdr.c
-+++ b/fs/nfsd/nfs4xdr.c
-@@ -3422,6 +3422,7 @@ nfsd4_encode_read(struct nfsd4_compoundres *resp, __be32 nfserr,
- unsigned long maxcount;
- struct xdr_stream *xdr = &resp->xdr;
- struct file *file = read->rd_filp;
-+ struct svc_fh *fhp = read->rd_fhp;
- int starting_len = xdr->buf->len;
- struct raparms *ra;
- __be32 *p;
-@@ -3445,12 +3446,15 @@ nfsd4_encode_read(struct nfsd4_compoundres *resp, __be32 nfserr,
- maxcount = min_t(unsigned long, maxcount, (xdr->buf->buflen - xdr->buf->len));
- maxcount = min_t(unsigned long, maxcount, read->rd_length);
-
-- if (!read->rd_filp) {
-+ if (read->rd_filp)
-+ err = nfsd_permission(resp->rqstp, fhp->fh_export,
-+ fhp->fh_dentry,
-+ NFSD_MAY_READ|NFSD_MAY_OWNER_OVERRIDE);
-+ else
- err = nfsd_get_tmp_read_open(resp->rqstp, read->rd_fhp,
- &file, &ra);
-- if (err)
-- goto err_truncate;
-- }
-+ if (err)
-+ goto err_truncate;
-
- if (file->f_op->splice_read && test_bit(RQ_SPLICE_OK, &resp->rqstp->rq_flags))
- err = nfsd4_encode_splice_read(resp, read, file, maxcount);
-diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
-index aa47d75..9690cb4 100644
---- a/fs/nfsd/nfsctl.c
-+++ b/fs/nfsd/nfsctl.c
-@@ -1250,15 +1250,15 @@ static int __init init_nfsd(void)
- int retval;
- printk(KERN_INFO "Installing knfsd (copyright (C) 1996 okir@monad.swb.de).\n");
-
-- retval = register_cld_notifier();
-- if (retval)
-- return retval;
- retval = register_pernet_subsys(&nfsd_net_ops);
- if (retval < 0)
-- goto out_unregister_notifier;
-- retval = nfsd4_init_slabs();
-+ return retval;
-+ retval = register_cld_notifier();
- if (retval)
- goto out_unregister_pernet;
-+ retval = nfsd4_init_slabs();
-+ if (retval)
-+ goto out_unregister_notifier;
- retval = nfsd4_init_pnfs();
- if (retval)
- goto out_free_slabs;
-@@ -1290,10 +1290,10 @@ out_exit_pnfs:
- nfsd4_exit_pnfs();
- out_free_slabs:
- nfsd4_free_slabs();
--out_unregister_pernet:
-- unregister_pernet_subsys(&nfsd_net_ops);
- out_unregister_notifier:
- unregister_cld_notifier();
-+out_unregister_pernet:
-+ unregister_pernet_subsys(&nfsd_net_ops);
- return retval;
- }
-
-@@ -1308,8 +1308,8 @@ static void __exit exit_nfsd(void)
- nfsd4_exit_pnfs();
- nfsd_fault_inject_cleanup();
- unregister_filesystem(&nfsd_fs_type);
-- unregister_pernet_subsys(&nfsd_net_ops);
- unregister_cld_notifier();
-+ unregister_pernet_subsys(&nfsd_net_ops);
- }
-
- MODULE_AUTHOR("Olaf Kirch <okir@monad.swb.de>");
-diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
-index 565c4da..cf98052 100644
---- a/fs/nfsd/nfsd.h
-+++ b/fs/nfsd/nfsd.h
-@@ -24,7 +24,7 @@
- #include "export.h"
-
- #undef ifdebug
--#ifdef NFSD_DEBUG
-+#ifdef CONFIG_SUNRPC_DEBUG
- # define ifdebug(flag) if (nfsd_debug & NFSDDBG_##flag)
- #else
- # define ifdebug(flag) if (0)
-diff --git a/fs/open.c b/fs/open.c
-index 33f9cbf..44a3be1 100644
---- a/fs/open.c
-+++ b/fs/open.c
-@@ -570,6 +570,7 @@ static int chown_common(struct path *path, uid_t user, gid_t group)
- uid = make_kuid(current_user_ns(), user);
- gid = make_kgid(current_user_ns(), group);
-
-+retry_deleg:
- newattrs.ia_valid = ATTR_CTIME;
- if (user != (uid_t) -1) {
- if (!uid_valid(uid))
-@@ -586,7 +587,6 @@ static int chown_common(struct path *path, uid_t user, gid_t group)
- if (!S_ISDIR(inode->i_mode))
- newattrs.ia_valid |=
- ATTR_KILL_SUID | ATTR_KILL_SGID | ATTR_KILL_PRIV;
--retry_deleg:
- mutex_lock(&inode->i_mutex);
- error = security_path_chown(path, uid, gid);
- if (!error)
-diff --git a/fs/pnode.c b/fs/pnode.c
-index 260ac8f..6367e1e 100644
---- a/fs/pnode.c
-+++ b/fs/pnode.c
-@@ -362,6 +362,46 @@ int propagate_mount_busy(struct mount *mnt, int refcnt)
- }
-
- /*
-+ * Clear MNT_LOCKED when it can be shown to be safe.
-+ *
-+ * mount_lock lock must be held for write
-+ */
-+void propagate_mount_unlock(struct mount *mnt)
-+{
-+ struct mount *parent = mnt->mnt_parent;
-+ struct mount *m, *child;
-+
-+ BUG_ON(parent == mnt);
-+
-+ for (m = propagation_next(parent, parent); m;
-+ m = propagation_next(m, parent)) {
-+ child = __lookup_mnt_last(&m->mnt, mnt->mnt_mountpoint);
-+ if (child)
-+ child->mnt.mnt_flags &= ~MNT_LOCKED;
-+ }
-+}
-+
-+/*
-+ * Mark all mounts that the MNT_LOCKED logic will allow to be unmounted.
-+ */
-+static void mark_umount_candidates(struct mount *mnt)
-+{
-+ struct mount *parent = mnt->mnt_parent;
-+ struct mount *m;
-+
-+ BUG_ON(parent == mnt);
-+
-+ for (m = propagation_next(parent, parent); m;
-+ m = propagation_next(m, parent)) {
-+ struct mount *child = __lookup_mnt_last(&m->mnt,
-+ mnt->mnt_mountpoint);
-+ if (child && (!IS_MNT_LOCKED(child) || IS_MNT_MARKED(m))) {
-+ SET_MNT_MARK(child);
-+ }
-+ }
-+}
-+
-+/*
- * NOTE: unmounting 'mnt' naturally propagates to all other mounts its
- * parent propagates to.
- */
-@@ -378,13 +418,16 @@ static void __propagate_umount(struct mount *mnt)
- struct mount *child = __lookup_mnt_last(&m->mnt,
- mnt->mnt_mountpoint);
- /*
-- * umount the child only if the child has no
-- * other children
-+ * umount the child only if the child has no children
-+ * and the child is marked safe to unmount.
- */
-- if (child && list_empty(&child->mnt_mounts)) {
-+ if (!child || !IS_MNT_MARKED(child))
-+ continue;
-+ CLEAR_MNT_MARK(child);
-+ if (list_empty(&child->mnt_mounts)) {
- list_del_init(&child->mnt_child);
-- hlist_del_init_rcu(&child->mnt_hash);
-- hlist_add_before_rcu(&child->mnt_hash, &mnt->mnt_hash);
-+ child->mnt.mnt_flags |= MNT_UMOUNT;
-+ list_move_tail(&child->mnt_list, &mnt->mnt_list);
- }
- }
- }
-@@ -396,11 +439,14 @@ static void __propagate_umount(struct mount *mnt)
- *
- * vfsmount lock must be held for write
- */
--int propagate_umount(struct hlist_head *list)
-+int propagate_umount(struct list_head *list)
- {
- struct mount *mnt;
-
-- hlist_for_each_entry(mnt, list, mnt_hash)
-+ list_for_each_entry_reverse(mnt, list, mnt_list)
-+ mark_umount_candidates(mnt);
-+
-+ list_for_each_entry(mnt, list, mnt_list)
- __propagate_umount(mnt);
- return 0;
- }
-diff --git a/fs/pnode.h b/fs/pnode.h
-index 4a24635..7114ce6 100644
---- a/fs/pnode.h
-+++ b/fs/pnode.h
-@@ -19,6 +19,9 @@
- #define IS_MNT_MARKED(m) ((m)->mnt.mnt_flags & MNT_MARKED)
- #define SET_MNT_MARK(m) ((m)->mnt.mnt_flags |= MNT_MARKED)
- #define CLEAR_MNT_MARK(m) ((m)->mnt.mnt_flags &= ~MNT_MARKED)
-+#define IS_MNT_LOCKED(m) ((m)->mnt.mnt_flags & MNT_LOCKED)
-+#define IS_MNT_LOCKED_AND_LAZY(m) \
-+ (((m)->mnt.mnt_flags & (MNT_LOCKED|MNT_SYNC_UMOUNT)) == MNT_LOCKED)
-
- #define CL_EXPIRE 0x01
- #define CL_SLAVE 0x02
-@@ -40,14 +43,14 @@ static inline void set_mnt_shared(struct mount *mnt)
- void change_mnt_propagation(struct mount *, int);
- int propagate_mnt(struct mount *, struct mountpoint *, struct mount *,
- struct hlist_head *);
--int propagate_umount(struct hlist_head *);
-+int propagate_umount(struct list_head *);
- int propagate_mount_busy(struct mount *, int);
-+void propagate_mount_unlock(struct mount *);
- void mnt_release_group_id(struct mount *);
- int get_dominating_id(struct mount *mnt, const struct path *root);
- unsigned int mnt_get_count(struct mount *mnt);
- void mnt_set_mountpoint(struct mount *, struct mountpoint *,
- struct mount *);
--void umount_tree(struct mount *, int);
- struct mount *copy_tree(struct mount *, struct dentry *, int);
- bool is_path_reachable(struct mount *, struct dentry *,
- const struct path *root);
-diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
-index b034f10..0d58525 100644
---- a/include/acpi/actypes.h
-+++ b/include/acpi/actypes.h
-@@ -199,9 +199,29 @@ typedef int s32;
- typedef s32 acpi_native_int;
-
- typedef u32 acpi_size;
-+
-+#ifdef ACPI_32BIT_PHYSICAL_ADDRESS
-+
-+/*
-+ * OSPMs can define this to shrink the size of the structures for 32-bit
-+ * none PAE environment. ASL compiler may always define this to generate
-+ * 32-bit OSPM compliant tables.
-+ */
- typedef u32 acpi_io_address;
- typedef u32 acpi_physical_address;
-
-+#else /* ACPI_32BIT_PHYSICAL_ADDRESS */
-+
-+/*
-+ * It is reported that, after some calculations, the physical addresses can
-+ * wrap over the 32-bit boundary on 32-bit PAE environment.
-+ * https://bugzilla.kernel.org/show_bug.cgi?id=87971
-+ */
-+typedef u64 acpi_io_address;
-+typedef u64 acpi_physical_address;
-+
-+#endif /* ACPI_32BIT_PHYSICAL_ADDRESS */
-+
- #define ACPI_MAX_PTR ACPI_UINT32_MAX
- #define ACPI_SIZE_MAX ACPI_UINT32_MAX
-
-@@ -736,10 +756,6 @@ typedef u32 acpi_event_status;
- #define ACPI_GPE_ENABLE 0
- #define ACPI_GPE_DISABLE 1
- #define ACPI_GPE_CONDITIONAL_ENABLE 2
--#define ACPI_GPE_SAVE_MASK 4
--
--#define ACPI_GPE_ENABLE_SAVE (ACPI_GPE_ENABLE | ACPI_GPE_SAVE_MASK)
--#define ACPI_GPE_DISABLE_SAVE (ACPI_GPE_DISABLE | ACPI_GPE_SAVE_MASK)
-
- /*
- * GPE info flags - Per GPE
-diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
-index ad74dc5..ecdf940 100644
---- a/include/acpi/platform/acenv.h
-+++ b/include/acpi/platform/acenv.h
-@@ -76,6 +76,7 @@
- #define ACPI_LARGE_NAMESPACE_NODE
- #define ACPI_DATA_TABLE_DISASSEMBLY
- #define ACPI_SINGLE_THREADED
-+#define ACPI_32BIT_PHYSICAL_ADDRESS
- #endif
-
- /* acpi_exec configuration. Multithreaded with full AML debugger */
-diff --git a/include/dt-bindings/clock/tegra124-car-common.h b/include/dt-bindings/clock/tegra124-car-common.h
-index ae2eb17..a215609 100644
---- a/include/dt-bindings/clock/tegra124-car-common.h
-+++ b/include/dt-bindings/clock/tegra124-car-common.h
-@@ -297,7 +297,7 @@
- #define TEGRA124_CLK_PLL_C4 270
- #define TEGRA124_CLK_PLL_DP 271
- #define TEGRA124_CLK_PLL_E_MUX 272
--#define TEGRA124_CLK_PLLD_DSI 273
-+#define TEGRA124_CLK_PLL_D_DSI_OUT 273
- /* 274 */
- /* 275 */
- /* 276 */
-diff --git a/include/linux/bpf.h b/include/linux/bpf.h
-index bbfceb7..33b52fb 100644
---- a/include/linux/bpf.h
-+++ b/include/linux/bpf.h
-@@ -48,7 +48,7 @@ struct bpf_map *bpf_map_get(struct fd f);
-
- /* function argument constraints */
- enum bpf_arg_type {
-- ARG_ANYTHING = 0, /* any argument is ok */
-+ ARG_DONTCARE = 0, /* unused argument in helper function */
-
- /* the following constraints used to prototype
- * bpf_map_lookup/update/delete_elem() functions
-@@ -62,6 +62,8 @@ enum bpf_arg_type {
- */
- ARG_PTR_TO_STACK, /* any pointer to eBPF program stack */
- ARG_CONST_STACK_SIZE, /* number of bytes accessed from stack */
-+
-+ ARG_ANYTHING, /* any (initialized) argument is ok */
- };
-
- /* type of values returned from helper functions */
-diff --git a/include/linux/mount.h b/include/linux/mount.h
-index c2c561d..564beee 100644
---- a/include/linux/mount.h
-+++ b/include/linux/mount.h
-@@ -61,6 +61,7 @@ struct mnt_namespace;
- #define MNT_DOOMED 0x1000000
- #define MNT_SYNC_UMOUNT 0x2000000
- #define MNT_MARKED 0x4000000
-+#define MNT_UMOUNT 0x8000000
-
- struct vfsmount {
- struct dentry *mnt_root; /* root of the mounted tree */
-diff --git a/include/linux/sched.h b/include/linux/sched.h
-index a419b65..51348f7 100644
---- a/include/linux/sched.h
-+++ b/include/linux/sched.h
-@@ -176,6 +176,14 @@ extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load);
- extern void calc_global_load(unsigned long ticks);
- extern void update_cpu_load_nohz(void);
-
-+/* Notifier for when a task gets migrated to a new CPU */
-+struct task_migration_notifier {
-+ struct task_struct *task;
-+ int from_cpu;
-+ int to_cpu;
-+};
-+extern void register_task_migration_notifier(struct notifier_block *n);
-+
- extern unsigned long get_parent_ip(unsigned long addr);
-
- extern void dump_cpu_task(int cpu);
-diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
-index f54d665..bdccc4b 100644
---- a/include/linux/skbuff.h
-+++ b/include/linux/skbuff.h
-@@ -769,6 +769,7 @@ bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from,
-
- struct sk_buff *__alloc_skb(unsigned int size, gfp_t priority, int flags,
- int node);
-+struct sk_buff *__build_skb(void *data, unsigned int frag_size);
- struct sk_buff *build_skb(void *data, unsigned int frag_size);
- static inline struct sk_buff *alloc_skb(unsigned int size,
- gfp_t priority)
-@@ -3013,6 +3014,18 @@ static inline bool __skb_checksum_validate_needed(struct sk_buff *skb,
- */
- #define CHECKSUM_BREAK 76
-
-+/* Unset checksum-complete
-+ *
-+ * Unset checksum complete can be done when packet is being modified
-+ * (uncompressed for instance) and checksum-complete value is
-+ * invalidated.
-+ */
-+static inline void skb_checksum_complete_unset(struct sk_buff *skb)
-+{
-+ if (skb->ip_summed == CHECKSUM_COMPLETE)
-+ skb->ip_summed = CHECKSUM_NONE;
-+}
-+
- /* Validate (init) checksum based on checksum complete.
- *
- * Return values:
-diff --git a/include/linux/usb.h b/include/linux/usb.h
-index 7ee1b5c..447fe29 100644
---- a/include/linux/usb.h
-+++ b/include/linux/usb.h
-@@ -205,6 +205,32 @@ void usb_put_intf(struct usb_interface *intf);
- #define USB_MAXINTERFACES 32
- #define USB_MAXIADS (USB_MAXINTERFACES/2)
-
-+/*
-+ * USB Resume Timer: Every Host controller driver should drive the resume
-+ * signalling on the bus for the amount of time defined by this macro.
-+ *
-+ * That way we will have a 'stable' behavior among all HCDs supported by Linux.
-+ *
-+ * Note that the USB Specification states we should drive resume for *at least*
-+ * 20 ms, but it doesn't give an upper bound. This creates two possible
-+ * situations which we want to avoid:
-+ *
-+ * (a) sometimes an msleep(20) might expire slightly before 20 ms, which causes
-+ * us to fail USB Electrical Tests, thus failing Certification
-+ *
-+ * (b) Some (many) devices actually need more than 20 ms of resume signalling,
-+ * and while we can argue that's against the USB Specification, we don't have
-+ * control over which devices a certification laboratory will be using for
-+ * certification. If CertLab uses a device which was tested against Windows and
-+ * that happens to have relaxed resume signalling rules, we might fall into
-+ * situations where we fail interoperability and electrical tests.
-+ *
-+ * In order to avoid both conditions, we're using a 40 ms resume timeout, which
-+ * should cope with both LPJ calibration errors and devices not following every
-+ * detail of the USB Specification.
-+ */
-+#define USB_RESUME_TIMEOUT 40 /* ms */
-+
- /**
- * struct usb_interface_cache - long-term representation of a device interface
- * @num_altsetting: number of altsettings defined.
-diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h
-index d3583d3..dd0f3ab 100644
---- a/include/target/iscsi/iscsi_target_core.h
-+++ b/include/target/iscsi/iscsi_target_core.h
-@@ -602,6 +602,11 @@ struct iscsi_conn {
- struct iscsi_session *sess;
- /* Pointer to thread_set in use for this conn's threads */
- struct iscsi_thread_set *thread_set;
-+ int bitmap_id;
-+ int rx_thread_active;
-+ struct task_struct *rx_thread;
-+ int tx_thread_active;
-+ struct task_struct *tx_thread;
- /* list_head for session connection list */
- struct list_head conn_list;
- } ____cacheline_aligned;
-@@ -871,10 +876,12 @@ struct iscsit_global {
- /* Unique identifier used for the authentication daemon */
- u32 auth_id;
- u32 inactive_ts;
-+#define ISCSIT_BITMAP_BITS 262144
- /* Thread Set bitmap count */
- int ts_bitmap_count;
- /* Thread Set bitmap pointer */
- unsigned long *ts_bitmap;
-+ spinlock_t ts_bitmap_lock;
- /* Used for iSCSI discovery session authentication */
- struct iscsi_node_acl discovery_acl;
- struct iscsi_portal_group *discovery_tpg;
-diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
-index 672150b..985ca4c 100644
---- a/include/target/target_core_base.h
-+++ b/include/target/target_core_base.h
-@@ -524,7 +524,7 @@ struct se_cmd {
- sense_reason_t (*execute_cmd)(struct se_cmd *);
- sense_reason_t (*execute_rw)(struct se_cmd *, struct scatterlist *,
- u32, enum dma_data_direction);
-- sense_reason_t (*transport_complete_callback)(struct se_cmd *);
-+ sense_reason_t (*transport_complete_callback)(struct se_cmd *, bool);
-
- unsigned char *t_task_cdb;
- unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE];
-diff --git a/include/uapi/linux/nfsd/debug.h b/include/uapi/linux/nfsd/debug.h
-index 0bf130a..28ec6c9 100644
---- a/include/uapi/linux/nfsd/debug.h
-+++ b/include/uapi/linux/nfsd/debug.h
-@@ -12,14 +12,6 @@
- #include <linux/sunrpc/debug.h>
-
- /*
-- * Enable debugging for nfsd.
-- * Requires RPC_DEBUG.
-- */
--#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
--# define NFSD_DEBUG 1
--#endif
--
--/*
- * knfsd debug flags
- */
- #define NFSDDBG_SOCK 0x0001
-diff --git a/include/video/samsung_fimd.h b/include/video/samsung_fimd.h
-index a20e4a3..847a0a2 100644
---- a/include/video/samsung_fimd.h
-+++ b/include/video/samsung_fimd.h
-@@ -436,6 +436,12 @@
- #define BLENDCON_NEW_8BIT_ALPHA_VALUE (1 << 0)
- #define BLENDCON_NEW_4BIT_ALPHA_VALUE (0 << 0)
-
-+/* Display port clock control */
-+#define DP_MIE_CLKCON 0x27c
-+#define DP_MIE_CLK_DISABLE 0x0
-+#define DP_MIE_CLK_DP_ENABLE 0x2
-+#define DP_MIE_CLK_MIE_ENABLE 0x3
-+
- /* Notes on per-window bpp settings
- *
- * Value Win0 Win1 Win2 Win3 Win 4
-diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
-index 36508e6..5d8ea3d 100644
---- a/kernel/bpf/verifier.c
-+++ b/kernel/bpf/verifier.c
-@@ -755,7 +755,7 @@ static int check_func_arg(struct verifier_env *env, u32 regno,
- enum bpf_reg_type expected_type;
- int err = 0;
-
-- if (arg_type == ARG_ANYTHING)
-+ if (arg_type == ARG_DONTCARE)
- return 0;
-
- if (reg->type == NOT_INIT) {
-@@ -763,6 +763,9 @@ static int check_func_arg(struct verifier_env *env, u32 regno,
- return -EACCES;
- }
-
-+ if (arg_type == ARG_ANYTHING)
-+ return 0;
-+
- if (arg_type == ARG_PTR_TO_STACK || arg_type == ARG_PTR_TO_MAP_KEY ||
- arg_type == ARG_PTR_TO_MAP_VALUE) {
- expected_type = PTR_TO_STACK;
-diff --git a/kernel/ptrace.c b/kernel/ptrace.c
-index 227fec3..9a34bd8 100644
---- a/kernel/ptrace.c
-+++ b/kernel/ptrace.c
-@@ -697,6 +697,8 @@ static int ptrace_peek_siginfo(struct task_struct *child,
- static int ptrace_resume(struct task_struct *child, long request,
- unsigned long data)
- {
-+ bool need_siglock;
-+
- if (!valid_signal(data))
- return -EIO;
-
-@@ -724,8 +726,26 @@ static int ptrace_resume(struct task_struct *child, long request,
- user_disable_single_step(child);
- }
-
-+ /*
-+ * Change ->exit_code and ->state under siglock to avoid the race
-+ * with wait_task_stopped() in between; a non-zero ->exit_code will
-+ * wrongly look like another report from tracee.
-+ *
-+ * Note that we need siglock even if ->exit_code == data and/or this
-+ * status was not reported yet, the new status must not be cleared by
-+ * wait_task_stopped() after resume.
-+ *
-+ * If data == 0 we do not care if wait_task_stopped() reports the old
-+ * status and clears the code too; this can't race with the tracee, it
-+ * takes siglock after resume.
-+ */
-+ need_siglock = data && !thread_group_empty(current);
-+ if (need_siglock)
-+ spin_lock_irq(&child->sighand->siglock);
- child->exit_code = data;
- wake_up_state(child, __TASK_TRACED);
-+ if (need_siglock)
-+ spin_unlock_irq(&child->sighand->siglock);
-
- return 0;
- }
-diff --git a/kernel/sched/core.c b/kernel/sched/core.c
-index 62671f5..3d5f6f6 100644
---- a/kernel/sched/core.c
-+++ b/kernel/sched/core.c
-@@ -996,6 +996,13 @@ void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags)
- rq_clock_skip_update(rq, true);
- }
-
-+static ATOMIC_NOTIFIER_HEAD(task_migration_notifier);
-+
-+void register_task_migration_notifier(struct notifier_block *n)
-+{
-+ atomic_notifier_chain_register(&task_migration_notifier, n);
-+}
-+
- #ifdef CONFIG_SMP
- void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
- {
-@@ -1026,10 +1033,18 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
- trace_sched_migrate_task(p, new_cpu);
-
- if (task_cpu(p) != new_cpu) {
-+ struct task_migration_notifier tmn;
-+
- if (p->sched_class->migrate_task_rq)
- p->sched_class->migrate_task_rq(p, new_cpu);
- p->se.nr_migrations++;
- perf_sw_event_sched(PERF_COUNT_SW_CPU_MIGRATIONS, 1, 0);
-+
-+ tmn.task = p;
-+ tmn.from_cpu = task_cpu(p);
-+ tmn.to_cpu = new_cpu;
-+
-+ atomic_notifier_call_chain(&task_migration_notifier, 0, &tmn);
- }
-
- __set_task_cpu(p, new_cpu);
-diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
-index 3fa8fa6..f670cbb 100644
---- a/kernel/sched/deadline.c
-+++ b/kernel/sched/deadline.c
-@@ -514,7 +514,7 @@ static enum hrtimer_restart dl_task_timer(struct hrtimer *timer)
- unsigned long flags;
- struct rq *rq;
-
-- rq = task_rq_lock(current, &flags);
-+ rq = task_rq_lock(p, &flags);
-
- /*
- * We need to take care of several possible races here:
-@@ -569,7 +569,7 @@ static enum hrtimer_restart dl_task_timer(struct hrtimer *timer)
- push_dl_task(rq);
- #endif
- unlock:
-- task_rq_unlock(rq, current, &flags);
-+ task_rq_unlock(rq, p, &flags);
-
- return HRTIMER_NORESTART;
- }
-diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
-index 5040d44..922048a 100644
---- a/kernel/trace/ring_buffer.c
-+++ b/kernel/trace/ring_buffer.c
-@@ -2679,7 +2679,7 @@ static DEFINE_PER_CPU(unsigned int, current_context);
-
- static __always_inline int trace_recursive_lock(void)
- {
-- unsigned int val = this_cpu_read(current_context);
-+ unsigned int val = __this_cpu_read(current_context);
- int bit;
-
- if (in_interrupt()) {
-@@ -2696,18 +2696,17 @@ static __always_inline int trace_recursive_lock(void)
- return 1;
-
- val |= (1 << bit);
-- this_cpu_write(current_context, val);
-+ __this_cpu_write(current_context, val);
-
- return 0;
- }
-
- static __always_inline void trace_recursive_unlock(void)
- {
-- unsigned int val = this_cpu_read(current_context);
-+ unsigned int val = __this_cpu_read(current_context);
-
-- val--;
-- val &= this_cpu_read(current_context);
-- this_cpu_write(current_context, val);
-+ val &= val & (val - 1);
-+ __this_cpu_write(current_context, val);
- }
-
- #else
-diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
-index db54dda..a9c10a3 100644
---- a/kernel/trace/trace_events.c
-+++ b/kernel/trace/trace_events.c
-@@ -565,6 +565,7 @@ static int __ftrace_set_clr_event(struct trace_array *tr, const char *match,
- static int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set)
- {
- char *event = NULL, *sub = NULL, *match;
-+ int ret;
-
- /*
- * The buf format can be <subsystem>:<event-name>
-@@ -590,7 +591,13 @@ static int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set)
- event = NULL;
- }
-
-- return __ftrace_set_clr_event(tr, match, sub, event, set);
-+ ret = __ftrace_set_clr_event(tr, match, sub, event, set);
-+
-+ /* Put back the colon to allow this to be called again */
-+ if (buf)
-+ *(buf - 1) = ':';
-+
-+ return ret;
- }
-
- /**
-diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
-index 2d25ad1..b6fce36 100644
---- a/kernel/trace/trace_functions_graph.c
-+++ b/kernel/trace/trace_functions_graph.c
-@@ -1309,15 +1309,19 @@ void graph_trace_open(struct trace_iterator *iter)
- {
- /* pid and depth on the last trace processed */
- struct fgraph_data *data;
-+ gfp_t gfpflags;
- int cpu;
-
- iter->private = NULL;
-
-- data = kzalloc(sizeof(*data), GFP_KERNEL);
-+ /* We can be called in atomic context via ftrace_dump() */
-+ gfpflags = (in_atomic() || irqs_disabled()) ? GFP_ATOMIC : GFP_KERNEL;
-+
-+ data = kzalloc(sizeof(*data), gfpflags);
- if (!data)
- goto out_err;
-
-- data->cpu_data = alloc_percpu(struct fgraph_cpu_data);
-+ data->cpu_data = alloc_percpu_gfp(struct fgraph_cpu_data, gfpflags);
- if (!data->cpu_data)
- goto out_err_free;
-
-diff --git a/lib/string.c b/lib/string.c
-index ce81aae..a579201 100644
---- a/lib/string.c
-+++ b/lib/string.c
-@@ -607,7 +607,7 @@ EXPORT_SYMBOL(memset);
- void memzero_explicit(void *s, size_t count)
- {
- memset(s, 0, count);
-- OPTIMIZER_HIDE_VAR(s);
-+ barrier();
- }
- EXPORT_SYMBOL(memzero_explicit);
-
-diff --git a/mm/huge_memory.c b/mm/huge_memory.c
-index 6817b03..956d4db 100644
---- a/mm/huge_memory.c
-+++ b/mm/huge_memory.c
-@@ -2316,8 +2316,14 @@ static struct page
- struct vm_area_struct *vma, unsigned long address,
- int node)
- {
-+ gfp_t flags;
-+
- VM_BUG_ON_PAGE(*hpage, *hpage);
-
-+ /* Only allocate from the target node */
-+ flags = alloc_hugepage_gfpmask(khugepaged_defrag(), __GFP_OTHER_NODE) |
-+ __GFP_THISNODE;
-+
- /*
- * Before allocating the hugepage, release the mmap_sem read lock.
- * The allocation can take potentially a long time if it involves
-@@ -2326,8 +2332,7 @@ static struct page
- */
- up_read(&mm->mmap_sem);
-
-- *hpage = alloc_pages_exact_node(node, alloc_hugepage_gfpmask(
-- khugepaged_defrag(), __GFP_OTHER_NODE), HPAGE_PMD_ORDER);
-+ *hpage = alloc_pages_exact_node(node, flags, HPAGE_PMD_ORDER);
- if (unlikely(!*hpage)) {
- count_vm_event(THP_COLLAPSE_ALLOC_FAILED);
- *hpage = ERR_PTR(-ENOMEM);
-diff --git a/mm/hugetlb.c b/mm/hugetlb.c
-index c41b2a0..caad3c5 100644
---- a/mm/hugetlb.c
-+++ b/mm/hugetlb.c
-@@ -3735,8 +3735,7 @@ retry:
- if (!pmd_huge(*pmd))
- goto out;
- if (pmd_present(*pmd)) {
-- page = pte_page(*(pte_t *)pmd) +
-- ((address & ~PMD_MASK) >> PAGE_SHIFT);
-+ page = pmd_page(*pmd) + ((address & ~PMD_MASK) >> PAGE_SHIFT);
- if (flags & FOLL_GET)
- get_page(page);
- } else {
-diff --git a/mm/mempolicy.c b/mm/mempolicy.c
-index 4721046..de5dc5e 100644
---- a/mm/mempolicy.c
-+++ b/mm/mempolicy.c
-@@ -1985,7 +1985,8 @@ retry_cpuset:
- nmask = policy_nodemask(gfp, pol);
- if (!nmask || node_isset(node, *nmask)) {
- mpol_cond_put(pol);
-- page = alloc_pages_exact_node(node, gfp, order);
-+ page = alloc_pages_exact_node(node,
-+ gfp | __GFP_THISNODE, order);
- goto out;
- }
- }
-diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
-index 0ee453f..f371cbf 100644
---- a/net/bridge/br_netfilter.c
-+++ b/net/bridge/br_netfilter.c
-@@ -651,6 +651,13 @@ static int br_nf_forward_finish(struct sk_buff *skb)
- struct net_device *in;
-
- if (!IS_ARP(skb) && !IS_VLAN_ARP(skb)) {
-+ int frag_max_size;
-+
-+ if (skb->protocol == htons(ETH_P_IP)) {
-+ frag_max_size = IPCB(skb)->frag_max_size;
-+ BR_INPUT_SKB_CB(skb)->frag_max_size = frag_max_size;
-+ }
-+
- in = nf_bridge->physindev;
- if (nf_bridge->mask & BRNF_PKT_TYPE) {
- skb->pkt_type = PACKET_OTHERHOST;
-@@ -710,8 +717,14 @@ static unsigned int br_nf_forward_ip(const struct nf_hook_ops *ops,
- nf_bridge->mask |= BRNF_PKT_TYPE;
- }
-
-- if (pf == NFPROTO_IPV4 && br_parse_ip_options(skb))
-- return NF_DROP;
-+ if (pf == NFPROTO_IPV4) {
-+ int frag_max = BR_INPUT_SKB_CB(skb)->frag_max_size;
-+
-+ if (br_parse_ip_options(skb))
-+ return NF_DROP;
-+
-+ IPCB(skb)->frag_max_size = frag_max;
-+ }
-
- /* The physdev module checks on this */
- nf_bridge->mask |= BRNF_BRIDGED;
-diff --git a/net/core/dev.c b/net/core/dev.c
-index 45109b7..22a53ac 100644
---- a/net/core/dev.c
-+++ b/net/core/dev.c
-@@ -3041,7 +3041,7 @@ static struct rps_dev_flow *
- set_rps_cpu(struct net_device *dev, struct sk_buff *skb,
- struct rps_dev_flow *rflow, u16 next_cpu)
- {
-- if (next_cpu != RPS_NO_CPU) {
-+ if (next_cpu < nr_cpu_ids) {
- #ifdef CONFIG_RFS_ACCEL
- struct netdev_rx_queue *rxqueue;
- struct rps_dev_flow_table *flow_table;
-@@ -3146,7 +3146,7 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
- * If the desired CPU (where last recvmsg was done) is
- * different from current CPU (one in the rx-queue flow
- * table entry), switch if one of the following holds:
-- * - Current CPU is unset (equal to RPS_NO_CPU).
-+ * - Current CPU is unset (>= nr_cpu_ids).
- * - Current CPU is offline.
- * - The current CPU's queue tail has advanced beyond the
- * last packet that was enqueued using this table entry.
-@@ -3154,14 +3154,14 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
- * have been dequeued, thus preserving in order delivery.
- */
- if (unlikely(tcpu != next_cpu) &&
-- (tcpu == RPS_NO_CPU || !cpu_online(tcpu) ||
-+ (tcpu >= nr_cpu_ids || !cpu_online(tcpu) ||
- ((int)(per_cpu(softnet_data, tcpu).input_queue_head -
- rflow->last_qtail)) >= 0)) {
- tcpu = next_cpu;
- rflow = set_rps_cpu(dev, skb, rflow, next_cpu);
- }
-
-- if (tcpu != RPS_NO_CPU && cpu_online(tcpu)) {
-+ if (tcpu < nr_cpu_ids && cpu_online(tcpu)) {
- *rflowp = rflow;
- cpu = tcpu;
- goto done;
-@@ -3202,14 +3202,14 @@ bool rps_may_expire_flow(struct net_device *dev, u16 rxq_index,
- struct rps_dev_flow_table *flow_table;
- struct rps_dev_flow *rflow;
- bool expire = true;
-- int cpu;
-+ unsigned int cpu;
-
- rcu_read_lock();
- flow_table = rcu_dereference(rxqueue->rps_flow_table);
- if (flow_table && flow_id <= flow_table->mask) {
- rflow = &flow_table->flows[flow_id];
- cpu = ACCESS_ONCE(rflow->cpu);
-- if (rflow->filter == filter_id && cpu != RPS_NO_CPU &&
-+ if (rflow->filter == filter_id && cpu < nr_cpu_ids &&
- ((int)(per_cpu(softnet_data, cpu).input_queue_head -
- rflow->last_qtail) <
- (int)(10 * flow_table->mask)))
-diff --git a/net/core/skbuff.c b/net/core/skbuff.c
-index 98d45fe..e9f9a15 100644
---- a/net/core/skbuff.c
-+++ b/net/core/skbuff.c
-@@ -280,13 +280,14 @@ nodata:
- EXPORT_SYMBOL(__alloc_skb);
-
- /**
-- * build_skb - build a network buffer
-+ * __build_skb - build a network buffer
- * @data: data buffer provided by caller
-- * @frag_size: size of fragment, or 0 if head was kmalloced
-+ * @frag_size: size of data, or 0 if head was kmalloced
- *
- * Allocate a new &sk_buff. Caller provides space holding head and
- * skb_shared_info. @data must have been allocated by kmalloc() only if
-- * @frag_size is 0, otherwise data should come from the page allocator.
-+ * @frag_size is 0, otherwise data should come from the page allocator
-+ * or vmalloc()
- * The return is the new skb buffer.
- * On a failure the return is %NULL, and @data is not freed.
- * Notes :
-@@ -297,7 +298,7 @@ EXPORT_SYMBOL(__alloc_skb);
- * before giving packet to stack.
- * RX rings only contains data buffers, not full skbs.
- */
--struct sk_buff *build_skb(void *data, unsigned int frag_size)
-+struct sk_buff *__build_skb(void *data, unsigned int frag_size)
- {
- struct skb_shared_info *shinfo;
- struct sk_buff *skb;
-@@ -311,7 +312,6 @@ struct sk_buff *build_skb(void *data, unsigned int frag_size)
-
- memset(skb, 0, offsetof(struct sk_buff, tail));
- skb->truesize = SKB_TRUESIZE(size);
-- skb->head_frag = frag_size != 0;
- atomic_set(&skb->users, 1);
- skb->head = data;
- skb->data = data;
-@@ -328,6 +328,23 @@ struct sk_buff *build_skb(void *data, unsigned int frag_size)
-
- return skb;
- }
-+
-+/* build_skb() is wrapper over __build_skb(), that specifically
-+ * takes care of skb->head and skb->pfmemalloc
-+ * This means that if @frag_size is not zero, then @data must be backed
-+ * by a page fragment, not kmalloc() or vmalloc()
-+ */
-+struct sk_buff *build_skb(void *data, unsigned int frag_size)
-+{
-+ struct sk_buff *skb = __build_skb(data, frag_size);
-+
-+ if (skb && frag_size) {
-+ skb->head_frag = 1;
-+ if (virt_to_head_page(data)->pfmemalloc)
-+ skb->pfmemalloc = 1;
-+ }
-+ return skb;
-+}
- EXPORT_SYMBOL(build_skb);
-
- struct netdev_alloc_cache {
-@@ -348,7 +365,8 @@ static struct page *__page_frag_refill(struct netdev_alloc_cache *nc,
- gfp_t gfp = gfp_mask;
-
- if (order) {
-- gfp_mask |= __GFP_COMP | __GFP_NOWARN | __GFP_NORETRY;
-+ gfp_mask |= __GFP_COMP | __GFP_NOWARN | __GFP_NORETRY |
-+ __GFP_NOMEMALLOC;
- page = alloc_pages_node(NUMA_NO_NODE, gfp_mask, order);
- nc->frag.size = PAGE_SIZE << (page ? order : 0);
- }
-diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
-index d9bc28a..53bd53f 100644
---- a/net/ipv4/ip_forward.c
-+++ b/net/ipv4/ip_forward.c
-@@ -82,6 +82,9 @@ int ip_forward(struct sk_buff *skb)
- if (skb->pkt_type != PACKET_HOST)
- goto drop;
-
-+ if (unlikely(skb->sk))
-+ goto drop;
-+
- if (skb_warn_if_lro(skb))
- goto drop;
-
-diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
-index d520492..9d48dc4 100644
---- a/net/ipv4/tcp_output.c
-+++ b/net/ipv4/tcp_output.c
-@@ -2751,39 +2751,65 @@ begin_fwd:
- }
- }
-
--/* Send a fin. The caller locks the socket for us. This cannot be
-- * allowed to fail queueing a FIN frame under any circumstances.
-+/* We allow to exceed memory limits for FIN packets to expedite
-+ * connection tear down and (memory) recovery.
-+ * Otherwise tcp_send_fin() could be tempted to either delay FIN
-+ * or even be forced to close flow without any FIN.
-+ */
-+static void sk_forced_wmem_schedule(struct sock *sk, int size)
-+{
-+ int amt, status;
-+
-+ if (size <= sk->sk_forward_alloc)
-+ return;
-+ amt = sk_mem_pages(size);
-+ sk->sk_forward_alloc += amt * SK_MEM_QUANTUM;
-+ sk_memory_allocated_add(sk, amt, &status);
-+}
-+
-+/* Send a FIN. The caller locks the socket for us.
-+ * We should try to send a FIN packet really hard, but eventually give up.
- */
- void tcp_send_fin(struct sock *sk)
- {
-+ struct sk_buff *skb, *tskb = tcp_write_queue_tail(sk);
- struct tcp_sock *tp = tcp_sk(sk);
-- struct sk_buff *skb = tcp_write_queue_tail(sk);
-- int mss_now;
-
-- /* Optimization, tack on the FIN if we have a queue of
-- * unsent frames. But be careful about outgoing SACKS
-- * and IP options.
-+ /* Optimization, tack on the FIN if we have one skb in write queue and
-+ * this skb was not yet sent, or we are under memory pressure.
-+ * Note: in the latter case, FIN packet will be sent after a timeout,
-+ * as TCP stack thinks it has already been transmitted.
- */
-- mss_now = tcp_current_mss(sk);
--
-- if (tcp_send_head(sk) != NULL) {
-- TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_FIN;
-- TCP_SKB_CB(skb)->end_seq++;
-+ if (tskb && (tcp_send_head(sk) || sk_under_memory_pressure(sk))) {
-+coalesce:
-+ TCP_SKB_CB(tskb)->tcp_flags |= TCPHDR_FIN;
-+ TCP_SKB_CB(tskb)->end_seq++;
- tp->write_seq++;
-+ if (!tcp_send_head(sk)) {
-+ /* This means tskb was already sent.
-+ * Pretend we included the FIN on previous transmit.
-+ * We need to set tp->snd_nxt to the value it would have
-+ * if FIN had been sent. This is because retransmit path
-+ * does not change tp->snd_nxt.
-+ */
-+ tp->snd_nxt++;
-+ return;
-+ }
- } else {
-- /* Socket is locked, keep trying until memory is available. */
-- for (;;) {
-- skb = sk_stream_alloc_skb(sk, 0, sk->sk_allocation);
-- if (skb)
-- break;
-- yield();
-+ skb = alloc_skb_fclone(MAX_TCP_HEADER, sk->sk_allocation);
-+ if (unlikely(!skb)) {
-+ if (tskb)
-+ goto coalesce;
-+ return;
- }
-+ skb_reserve(skb, MAX_TCP_HEADER);
-+ sk_forced_wmem_schedule(sk, skb->truesize);
- /* FIN eats a sequence byte, write_seq advanced by tcp_queue_skb(). */
- tcp_init_nondata_skb(skb, tp->write_seq,
- TCPHDR_ACK | TCPHDR_FIN);
- tcp_queue_skb(sk, skb);
- }
-- __tcp_push_pending_frames(sk, mss_now, TCP_NAGLE_OFF);
-+ __tcp_push_pending_frames(sk, tcp_current_mss(sk), TCP_NAGLE_OFF);
- }
-
- /* We get here when a process closes a file descriptor (either due to
-diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
-index 142f66a..0ca013d 100644
---- a/net/mac80211/mlme.c
-+++ b/net/mac80211/mlme.c
-@@ -2260,7 +2260,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
- else
- ssid_len = ssid[1];
-
-- ieee80211_send_probe_req(sdata, sdata->vif.addr, NULL,
-+ ieee80211_send_probe_req(sdata, sdata->vif.addr, dst,
- ssid + 2, ssid_len, NULL,
- 0, (u32) -1, true, 0,
- ifmgd->associated->channel, false);
-diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
-index 05919bf..d1d7a81 100644
---- a/net/netlink/af_netlink.c
-+++ b/net/netlink/af_netlink.c
-@@ -1616,13 +1616,11 @@ static struct sk_buff *netlink_alloc_large_skb(unsigned int size,
- if (data == NULL)
- return NULL;
-
-- skb = build_skb(data, size);
-+ skb = __build_skb(data, size);
- if (skb == NULL)
- vfree(data);
-- else {
-- skb->head_frag = 0;
-+ else
- skb->destructor = netlink_skb_destructor;
-- }
-
- return skb;
- }
-diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c
-index 2ca9f2e..53745f4 100644
---- a/sound/pci/emu10k1/emuproc.c
-+++ b/sound/pci/emu10k1/emuproc.c
-@@ -241,31 +241,22 @@ static void snd_emu10k1_proc_spdif_read(struct snd_info_entry *entry,
- struct snd_emu10k1 *emu = entry->private_data;
- u32 value;
- u32 value2;
-- unsigned long flags;
- u32 rate;
-
- if (emu->card_capabilities->emu_model) {
-- spin_lock_irqsave(&emu->emu_lock, flags);
- snd_emu1010_fpga_read(emu, 0x38, &value);
-- spin_unlock_irqrestore(&emu->emu_lock, flags);
- if ((value & 0x1) == 0) {
-- spin_lock_irqsave(&emu->emu_lock, flags);
- snd_emu1010_fpga_read(emu, 0x2a, &value);
- snd_emu1010_fpga_read(emu, 0x2b, &value2);
-- spin_unlock_irqrestore(&emu->emu_lock, flags);
- rate = 0x1770000 / (((value << 5) | value2)+1);
- snd_iprintf(buffer, "ADAT Locked : %u\n", rate);
- } else {
- snd_iprintf(buffer, "ADAT Unlocked\n");
- }
-- spin_lock_irqsave(&emu->emu_lock, flags);
- snd_emu1010_fpga_read(emu, 0x20, &value);
-- spin_unlock_irqrestore(&emu->emu_lock, flags);
- if ((value & 0x4) == 0) {
-- spin_lock_irqsave(&emu->emu_lock, flags);
- snd_emu1010_fpga_read(emu, 0x28, &value);
- snd_emu1010_fpga_read(emu, 0x29, &value2);
-- spin_unlock_irqrestore(&emu->emu_lock, flags);
- rate = 0x1770000 / (((value << 5) | value2)+1);
- snd_iprintf(buffer, "SPDIF Locked : %d\n", rate);
- } else {
-@@ -410,14 +401,11 @@ static void snd_emu_proc_emu1010_reg_read(struct snd_info_entry *entry,
- {
- struct snd_emu10k1 *emu = entry->private_data;
- u32 value;
-- unsigned long flags;
- int i;
- snd_iprintf(buffer, "EMU1010 Registers:\n\n");
-
- for(i = 0; i < 0x40; i+=1) {
-- spin_lock_irqsave(&emu->emu_lock, flags);
- snd_emu1010_fpga_read(emu, i, &value);
-- spin_unlock_irqrestore(&emu->emu_lock, flags);
- snd_iprintf(buffer, "%02X: %08X, %02X\n", i, value, (value >> 8) & 0x7f);
- }
- }
-diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
-index f9d12c0..2fd490b 100644
---- a/sound/pci/hda/patch_realtek.c
-+++ b/sound/pci/hda/patch_realtek.c
-@@ -5047,12 +5047,14 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
- SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad T440", ALC292_FIXUP_TPT440_DOCK),
- SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad X240", ALC292_FIXUP_TPT440_DOCK),
- SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
-+ SND_PCI_QUIRK(0x17aa, 0x2226, "ThinkPad X250", ALC292_FIXUP_TPT440_DOCK),
- SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
- SND_PCI_QUIRK(0x17aa, 0x3978, "IdeaPad Y410P", ALC269_FIXUP_NO_SHUTUP),
- SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
- SND_PCI_QUIRK(0x17aa, 0x501a, "Thinkpad", ALC283_FIXUP_INT_MIC),
- SND_PCI_QUIRK(0x17aa, 0x501e, "Thinkpad L440", ALC292_FIXUP_TPT440_DOCK),
- SND_PCI_QUIRK(0x17aa, 0x5026, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
-+ SND_PCI_QUIRK(0x17aa, 0x5034, "Thinkpad T450", ALC292_FIXUP_TPT440_DOCK),
- SND_PCI_QUIRK(0x17aa, 0x5036, "Thinkpad T450s", ALC292_FIXUP_TPT440_DOCK),
- SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
- SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K),
-@@ -5142,6 +5144,16 @@ static const struct hda_model_fixup alc269_fixup_models[] = {
- {0x1b, 0x411111f0}, \
- {0x1e, 0x411111f0}
-
-+#define ALC256_STANDARD_PINS \
-+ {0x12, 0x90a60140}, \
-+ {0x14, 0x90170110}, \
-+ {0x19, 0x411111f0}, \
-+ {0x1a, 0x411111f0}, \
-+ {0x1b, 0x411111f0}, \
-+ {0x1d, 0x40700001}, \
-+ {0x1e, 0x411111f0}, \
-+ {0x21, 0x02211020}
-+
- #define ALC282_STANDARD_PINS \
- {0x14, 0x90170110}, \
- {0x18, 0x411111f0}, \
-@@ -5235,15 +5247,11 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
- {0x1d, 0x40700001},
- {0x21, 0x02211050}),
- SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
-- {0x12, 0x90a60140},
-- {0x13, 0x40000000},
-- {0x14, 0x90170110},
-- {0x19, 0x411111f0},
-- {0x1a, 0x411111f0},
-- {0x1b, 0x411111f0},
-- {0x1d, 0x40700001},
-- {0x1e, 0x411111f0},
-- {0x21, 0x02211020}),
-+ ALC256_STANDARD_PINS,
-+ {0x13, 0x40000000}),
-+ SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
-+ ALC256_STANDARD_PINS,
-+ {0x13, 0x411111f0}),
- SND_HDA_PIN_QUIRK(0x10ec0280, 0x103c, "HP", ALC280_FIXUP_HP_GPIO4,
- {0x12, 0x90a60130},
- {0x13, 0x40000000},
-@@ -5563,6 +5571,8 @@ static int patch_alc269(struct hda_codec *codec)
- break;
- case 0x10ec0256:
- spec->codec_variant = ALC269_TYPE_ALC256;
-+ spec->gen.mixer_nid = 0; /* ALC256 does not have any loopback mixer path */
-+ alc_update_coef_idx(codec, 0x36, 1 << 13, 1 << 5); /* Switch pcbeep path to Line in path*/
- break;
- }
-
-@@ -5576,8 +5586,8 @@ static int patch_alc269(struct hda_codec *codec)
- if (err < 0)
- goto error;
-
-- if (!spec->gen.no_analog && spec->gen.beep_nid)
-- set_beep_amp(spec, 0x0b, 0x04, HDA_INPUT);
-+ if (!spec->gen.no_analog && spec->gen.beep_nid && spec->gen.mixer_nid)
-+ set_beep_amp(spec, spec->gen.mixer_nid, 0x04, HDA_INPUT);
-
- codec->patch_ops = alc_patch_ops;
- #ifdef CONFIG_PM
-diff --git a/sound/soc/codecs/cs4271.c b/sound/soc/codecs/cs4271.c
-index 7d3a6ac..e770ee6 100644
---- a/sound/soc/codecs/cs4271.c
-+++ b/sound/soc/codecs/cs4271.c
-@@ -561,10 +561,10 @@ static int cs4271_codec_probe(struct snd_soc_codec *codec)
- if (gpio_is_valid(cs4271->gpio_nreset)) {
- /* Reset codec */
- gpio_direction_output(cs4271->gpio_nreset, 0);
-- udelay(1);
-+ mdelay(1);
- gpio_set_value(cs4271->gpio_nreset, 1);
- /* Give the codec time to wake up */
-- udelay(1);
-+ mdelay(1);
- }
-
- ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,
-diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
-index 474cae8..8c09e3f 100644
---- a/sound/soc/codecs/pcm512x.c
-+++ b/sound/soc/codecs/pcm512x.c
-@@ -304,9 +304,9 @@ static const struct soc_enum pcm512x_veds =
- static const struct snd_kcontrol_new pcm512x_controls[] = {
- SOC_DOUBLE_R_TLV("Digital Playback Volume", PCM512x_DIGITAL_VOLUME_2,
- PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, digital_tlv),
--SOC_DOUBLE_TLV("Playback Volume", PCM512x_ANALOG_GAIN_CTRL,
-+SOC_DOUBLE_TLV("Analogue Playback Volume", PCM512x_ANALOG_GAIN_CTRL,
- PCM512x_LAGN_SHIFT, PCM512x_RAGN_SHIFT, 1, 1, analog_tlv),
--SOC_DOUBLE_TLV("Playback Boost Volume", PCM512x_ANALOG_GAIN_BOOST,
-+SOC_DOUBLE_TLV("Analogue Playback Boost Volume", PCM512x_ANALOG_GAIN_BOOST,
- PCM512x_AGBL_SHIFT, PCM512x_AGBR_SHIFT, 1, 0, boost_tlv),
- SOC_DOUBLE("Digital Playback Switch", PCM512x_MUTE, PCM512x_RQML_SHIFT,
- PCM512x_RQMR_SHIFT, 1, 1),
-@@ -576,8 +576,8 @@ static int pcm512x_find_pll_coeff(struct snd_soc_dai *dai,
-
- /* pllin_rate / P (or here, den) cannot be greater than 20 MHz */
- if (pllin_rate / den > 20000000 && num < 8) {
-- num *= 20000000 / (pllin_rate / den);
-- den *= 20000000 / (pllin_rate / den);
-+ num *= DIV_ROUND_UP(pllin_rate / den, 20000000);
-+ den *= DIV_ROUND_UP(pllin_rate / den, 20000000);
- }
- dev_dbg(dev, "num / den = %lu / %lu\n", num, den);
-
-diff --git a/sound/soc/codecs/wm8741.c b/sound/soc/codecs/wm8741.c
-index 31bb480..9e71c76 100644
---- a/sound/soc/codecs/wm8741.c
-+++ b/sound/soc/codecs/wm8741.c
-@@ -123,7 +123,7 @@ static struct {
- };
-
- static const unsigned int rates_11289[] = {
-- 44100, 88235,
-+ 44100, 88200,
- };
-
- static const struct snd_pcm_hw_constraint_list constraints_11289 = {
-@@ -150,7 +150,7 @@ static const struct snd_pcm_hw_constraint_list constraints_16384 = {
- };
-
- static const unsigned int rates_16934[] = {
-- 44100, 88235,
-+ 44100, 88200,
- };
-
- static const struct snd_pcm_hw_constraint_list constraints_16934 = {
-@@ -168,7 +168,7 @@ static const struct snd_pcm_hw_constraint_list constraints_18432 = {
- };
-
- static const unsigned int rates_22579[] = {
-- 44100, 88235, 1764000
-+ 44100, 88200, 176400
- };
-
- static const struct snd_pcm_hw_constraint_list constraints_22579 = {
-@@ -186,7 +186,7 @@ static const struct snd_pcm_hw_constraint_list constraints_24576 = {
- };
-
- static const unsigned int rates_36864[] = {
-- 48000, 96000, 19200
-+ 48000, 96000, 192000
- };
-
- static const struct snd_pcm_hw_constraint_list constraints_36864 = {
-diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c
-index b6bb594..8c2b9be 100644
---- a/sound/soc/davinci/davinci-evm.c
-+++ b/sound/soc/davinci/davinci-evm.c
-@@ -425,18 +425,8 @@ static int davinci_evm_probe(struct platform_device *pdev)
- return ret;
- }
-
--static int davinci_evm_remove(struct platform_device *pdev)
--{
-- struct snd_soc_card *card = platform_get_drvdata(pdev);
--
-- snd_soc_unregister_card(card);
--
-- return 0;
--}
--
- static struct platform_driver davinci_evm_driver = {
- .probe = davinci_evm_probe,
-- .remove = davinci_evm_remove,
- .driver = {
- .name = "davinci_evm",
- .pm = &snd_soc_pm_ops,
-diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
-index 9a28365..32631a8 100644
---- a/sound/usb/quirks.c
-+++ b/sound/usb/quirks.c
-@@ -1115,6 +1115,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
- {
- /* devices which do not support reading the sample rate. */
- switch (chip->usb_id) {
-+ case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */
- case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */
- case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
- return true;
-diff --git a/tools/lib/traceevent/kbuffer-parse.c b/tools/lib/traceevent/kbuffer-parse.c
-index dcc6652..deb3569 100644
---- a/tools/lib/traceevent/kbuffer-parse.c
-+++ b/tools/lib/traceevent/kbuffer-parse.c
-@@ -372,7 +372,6 @@ translate_data(struct kbuffer *kbuf, void *data, void **rptr,
- switch (type_len) {
- case KBUFFER_TYPE_PADDING:
- *length = read_4(kbuf, data);
-- data += *length;
- break;
-
- case KBUFFER_TYPE_TIME_EXTEND:
-diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
-index cc22408..0884d31 100644
---- a/tools/perf/config/Makefile
-+++ b/tools/perf/config/Makefile
-@@ -651,7 +651,7 @@ ifeq (${IS_64_BIT}, 1)
- NO_PERF_READ_VDSO32 := 1
- endif
- endif
-- ifneq (${IS_X86_64}, 1)
-+ ifneq ($(ARCH), x86)
- NO_PERF_READ_VDSOX32 := 1
- endif
- ifndef NO_PERF_READ_VDSOX32
-@@ -699,7 +699,7 @@ sysconfdir = $(prefix)/etc
- ETC_PERFCONFIG = etc/perfconfig
- endif
- ifndef lib
--ifeq ($(IS_X86_64),1)
-+ifeq ($(ARCH)$(IS_64_BIT), x861)
- lib = lib64
- else
- lib = lib
-diff --git a/tools/perf/tests/make b/tools/perf/tests/make
-index 75709d2..bff8532 100644
---- a/tools/perf/tests/make
-+++ b/tools/perf/tests/make
-@@ -5,7 +5,7 @@ include config/Makefile.arch
-
- # FIXME looks like x86 is the only arch running tests ;-)
- # we need some IS_(32/64) flag to make this generic
--ifeq ($(IS_X86_64),1)
-+ifeq ($(ARCH)$(IS_64_BIT), x861)
- lib = lib64
- else
- lib = lib
-diff --git a/tools/perf/util/cloexec.c b/tools/perf/util/cloexec.c
-index 6da965b..85b5238 100644
---- a/tools/perf/util/cloexec.c
-+++ b/tools/perf/util/cloexec.c
-@@ -7,6 +7,12 @@
-
- static unsigned long flag = PERF_FLAG_FD_CLOEXEC;
-
-+int __weak sched_getcpu(void)
-+{
-+ errno = ENOSYS;
-+ return -1;
-+}
-+
- static int perf_flag_probe(void)
- {
- /* use 'safest' configuration as used in perf_evsel__fallback() */
-diff --git a/tools/perf/util/cloexec.h b/tools/perf/util/cloexec.h
-index 94a5a7d..68888c2 100644
---- a/tools/perf/util/cloexec.h
-+++ b/tools/perf/util/cloexec.h
-@@ -3,4 +3,10 @@
-
- unsigned long perf_event_open_cloexec_flag(void);
-
-+#ifdef __GLIBC_PREREQ
-+#if !__GLIBC_PREREQ(2, 6)
-+extern int sched_getcpu(void) __THROW;
-+#endif
-+#endif
-+
- #endif /* __PERF_CLOEXEC_H */
-diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
-index 33b7a2a..9bdf007 100644
---- a/tools/perf/util/symbol-elf.c
-+++ b/tools/perf/util/symbol-elf.c
-@@ -74,6 +74,10 @@ static inline uint8_t elf_sym__type(const GElf_Sym *sym)
- return GELF_ST_TYPE(sym->st_info);
- }
-
-+#ifndef STT_GNU_IFUNC
-+#define STT_GNU_IFUNC 10
-+#endif
-+
- static inline int elf_sym__is_function(const GElf_Sym *sym)
- {
- return (elf_sym__type(sym) == STT_FUNC ||
-diff --git a/tools/power/x86/turbostat/Makefile b/tools/power/x86/turbostat/Makefile
-index d1b3a36..4039854 100644
---- a/tools/power/x86/turbostat/Makefile
-+++ b/tools/power/x86/turbostat/Makefile
-@@ -1,8 +1,12 @@
- CC = $(CROSS_COMPILE)gcc
--BUILD_OUTPUT := $(PWD)
-+BUILD_OUTPUT := $(CURDIR)
- PREFIX := /usr
- DESTDIR :=
-
-+ifeq ("$(origin O)", "command line")
-+ BUILD_OUTPUT := $(O)
-+endif
-+
- turbostat : turbostat.c
- CFLAGS += -Wall
- CFLAGS += -DMSRHEADER='"../../../../arch/x86/include/uapi/asm/msr-index.h"'
-diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
-index c9f60f5..e5abe7c 100644
---- a/virt/kvm/arm/vgic.c
-+++ b/virt/kvm/arm/vgic.c
-@@ -1371,6 +1371,9 @@ int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int irq_num,
- goto out;
- }
-
-+ if (irq_num >= kvm->arch.vgic.nr_irqs)
-+ return -EINVAL;
-+
- vcpu_id = vgic_update_irq_pending(kvm, cpuid, irq_num, level);
- if (vcpu_id >= 0) {
- /* kick the specified vcpu */
-diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
-index cc6a25d..f8f3f5f 100644
---- a/virt/kvm/kvm_main.c
-+++ b/virt/kvm/kvm_main.c
-@@ -1653,8 +1653,8 @@ int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
- ghc->generation = slots->generation;
- ghc->len = len;
- ghc->memslot = gfn_to_memslot(kvm, start_gfn);
-- ghc->hva = gfn_to_hva_many(ghc->memslot, start_gfn, &nr_pages_avail);
-- if (!kvm_is_error_hva(ghc->hva) && nr_pages_avail >= nr_pages_needed) {
-+ ghc->hva = gfn_to_hva_many(ghc->memslot, start_gfn, NULL);
-+ if (!kvm_is_error_hva(ghc->hva) && nr_pages_needed <= 1) {
- ghc->hva += offset;
- } else {
- /*