summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMike Pagano <mpagano@gentoo.org>2015-05-08 08:53:49 -0400
committerMike Pagano <mpagano@gentoo.org>2015-05-08 08:53:49 -0400
commit975efe6fa0366a157bd1f54900693cdcc23c501d (patch)
treea630b1fe110cfa03229c528d3fe3869b59954acf
parentLinux patch 3.10.75 (diff)
downloadlinux-patches-975efe6fa0366a157bd1f54900693cdcc23c501d.tar.gz
linux-patches-975efe6fa0366a157bd1f54900693cdcc23c501d.tar.bz2
linux-patches-975efe6fa0366a157bd1f54900693cdcc23c501d.zip
Linux patch 3.10.76. Linux patch 3.10.773.10-84
-rw-r--r--0000_README8
-rw-r--r--1075_linux-3.10.76.patch2030
-rw-r--r--1076_linux-3.10.77.patch1848
3 files changed, 3886 insertions, 0 deletions
diff --git a/0000_README b/0000_README
index 7ca28350..89fcce72 100644
--- a/0000_README
+++ b/0000_README
@@ -342,6 +342,14 @@ Patch: 1074_linux-3.10.75.patch
From: http://www.kernel.org
Desc: Linux 3.10.75
+Patch: 1075_linux-3.10.76.patch
+From: http://www.kernel.org
+Desc: Linux 3.10.76
+
+Patch: 1076_linux-3.10.77.patch
+From: http://www.kernel.org
+Desc: Linux 3.10.77
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1075_linux-3.10.76.patch b/1075_linux-3.10.76.patch
new file mode 100644
index 00000000..6293ff45
--- /dev/null
+++ b/1075_linux-3.10.76.patch
@@ -0,0 +1,2030 @@
+diff --git a/Makefile b/Makefile
+index 87909d8302ad..019a6a4b386d 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 10
+-SUBLEVEL = 75
++SUBLEVEL = 76
+ EXTRAVERSION =
+ NAME = TOSSUG Baby Fish
+
+diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
+index 98838a05ba6d..9d0ac091a52a 100644
+--- a/arch/alpha/mm/fault.c
++++ b/arch/alpha/mm/fault.c
+@@ -156,6 +156,8 @@ retry:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
+index 50533b750a99..08f65bcf9130 100644
+--- a/arch/arc/mm/fault.c
++++ b/arch/arc/mm/fault.c
+@@ -160,6 +160,8 @@ good_area:
+ /* TBD: switch to pagefault_out_of_memory() */
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+
+diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
+index 0eca93327195..d223a8b57c1e 100644
+--- a/arch/avr32/mm/fault.c
++++ b/arch/avr32/mm/fault.c
+@@ -142,6 +142,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c
+index 1790f22e71a2..2686a7aa8ec8 100644
+--- a/arch/cris/mm/fault.c
++++ b/arch/cris/mm/fault.c
+@@ -176,6 +176,8 @@ retry:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c
+index 9a66372fc7c7..ec4917ddf678 100644
+--- a/arch/frv/mm/fault.c
++++ b/arch/frv/mm/fault.c
+@@ -168,6 +168,8 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
+index 7225dad87094..ba5ba7accd0d 100644
+--- a/arch/ia64/mm/fault.c
++++ b/arch/ia64/mm/fault.c
+@@ -172,6 +172,8 @@ retry:
+ */
+ if (fault & VM_FAULT_OOM) {
+ goto out_of_memory;
++ } else if (fault & VM_FAULT_SIGSEGV) {
++ goto bad_area;
+ } else if (fault & VM_FAULT_SIGBUS) {
+ signal = SIGBUS;
+ goto bad_area;
+diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c
+index e9c6a8014bd6..e3d4d4890104 100644
+--- a/arch/m32r/mm/fault.c
++++ b/arch/m32r/mm/fault.c
+@@ -200,6 +200,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
+index eb1d61f68725..f0eef0491f77 100644
+--- a/arch/m68k/mm/fault.c
++++ b/arch/m68k/mm/fault.c
+@@ -153,6 +153,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto map_err;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto bus_err;
+ BUG();
+diff --git a/arch/metag/mm/fault.c b/arch/metag/mm/fault.c
+index 332680e5ebf2..2de5dc695a87 100644
+--- a/arch/metag/mm/fault.c
++++ b/arch/metag/mm/fault.c
+@@ -141,6 +141,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
+index fa4cf52aa7a6..d46a5ebb7570 100644
+--- a/arch/microblaze/mm/fault.c
++++ b/arch/microblaze/mm/fault.c
+@@ -224,6 +224,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
+index 0214a43b9911..c40a8d1c43ba 100644
+--- a/arch/mips/mm/fault.c
++++ b/arch/mips/mm/fault.c
+@@ -157,6 +157,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/mn10300/mm/fault.c b/arch/mn10300/mm/fault.c
+index 3516cbdf1ee9..0c2cc5d39c8e 100644
+--- a/arch/mn10300/mm/fault.c
++++ b/arch/mn10300/mm/fault.c
+@@ -262,6 +262,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/openrisc/mm/fault.c b/arch/openrisc/mm/fault.c
+index 0703acf7d327..230ac20ae794 100644
+--- a/arch/openrisc/mm/fault.c
++++ b/arch/openrisc/mm/fault.c
+@@ -171,6 +171,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
+index d10d27a720c0..c45130f56a93 100644
+--- a/arch/parisc/mm/fault.c
++++ b/arch/parisc/mm/fault.c
+@@ -220,6 +220,8 @@ good_area:
+ */
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto bad_area;
+ BUG();
+diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
+index d9196c9f93d9..d51a0c110eb4 100644
+--- a/arch/powerpc/mm/fault.c
++++ b/arch/powerpc/mm/fault.c
+@@ -425,6 +425,8 @@ good_area:
+ */
+ fault = handle_mm_fault(mm, vma, address, flags);
+ if (unlikely(fault & (VM_FAULT_RETRY|VM_FAULT_ERROR))) {
++ if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ rc = mm_fault_error(regs, address, fault);
+ if (rc >= MM_FAULT_RETURN)
+ goto bail;
+diff --git a/arch/powerpc/platforms/cell/spu_fault.c b/arch/powerpc/platforms/cell/spu_fault.c
+index 641e7273d75a..62f3e4e48a0b 100644
+--- a/arch/powerpc/platforms/cell/spu_fault.c
++++ b/arch/powerpc/platforms/cell/spu_fault.c
+@@ -75,7 +75,7 @@ int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
+ if (*flt & VM_FAULT_OOM) {
+ ret = -ENOMEM;
+ goto out_unlock;
+- } else if (*flt & VM_FAULT_SIGBUS) {
++ } else if (*flt & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) {
+ ret = -EFAULT;
+ goto out_unlock;
+ }
+diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
+index 35f77a42bedf..c5c5788e8a13 100644
+--- a/arch/powerpc/platforms/cell/spufs/inode.c
++++ b/arch/powerpc/platforms/cell/spufs/inode.c
+@@ -164,7 +164,7 @@ static void spufs_prune_dir(struct dentry *dir)
+ struct dentry *dentry, *tmp;
+
+ mutex_lock(&dir->d_inode->i_mutex);
+- list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) {
++ list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) {
+ spin_lock(&dentry->d_lock);
+ if (!(d_unhashed(dentry)) && dentry->d_inode) {
+ dget_dlock(dentry);
+diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
+index 416facec4a33..d214321db727 100644
+--- a/arch/s390/mm/fault.c
++++ b/arch/s390/mm/fault.c
+@@ -244,6 +244,12 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault)
+ do_no_context(regs);
+ else
+ pagefault_out_of_memory();
++ } else if (fault & VM_FAULT_SIGSEGV) {
++ /* Kernel mode? Handle exceptions or die */
++ if (!user_mode(regs))
++ do_no_context(regs);
++ else
++ do_sigsegv(regs, SEGV_MAPERR);
+ } else if (fault & VM_FAULT_SIGBUS) {
+ /* Kernel mode? Handle exceptions or die */
+ if (!user_mode(regs))
+diff --git a/arch/score/mm/fault.c b/arch/score/mm/fault.c
+index 52238983527d..6860beb2a280 100644
+--- a/arch/score/mm/fault.c
++++ b/arch/score/mm/fault.c
+@@ -114,6 +114,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
+index 541dc6101508..a58fec9b55e0 100644
+--- a/arch/sh/mm/fault.c
++++ b/arch/sh/mm/fault.c
+@@ -353,6 +353,8 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
+ } else {
+ if (fault & VM_FAULT_SIGBUS)
+ do_sigbus(regs, error_code, address);
++ else if (fault & VM_FAULT_SIGSEGV)
++ bad_area(regs, error_code, address);
+ else
+ BUG();
+ }
+diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
+index 59dbd4645725..163c78712110 100644
+--- a/arch/sparc/mm/fault_32.c
++++ b/arch/sparc/mm/fault_32.c
+@@ -252,6 +252,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
+index 3841a081beb3..ac2db923e51a 100644
+--- a/arch/sparc/mm/fault_64.c
++++ b/arch/sparc/mm/fault_64.c
+@@ -443,6 +443,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
+index 3ff289f422e6..12b732f593bb 100644
+--- a/arch/tile/mm/fault.c
++++ b/arch/tile/mm/fault.c
+@@ -446,6 +446,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
+index 5c3aef74237f..06ab0ebe0a0f 100644
+--- a/arch/um/kernel/trap.c
++++ b/arch/um/kernel/trap.c
+@@ -80,6 +80,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM) {
+ goto out_of_memory;
++ } else if (fault & VM_FAULT_SIGSEGV) {
++ goto out;
+ } else if (fault & VM_FAULT_SIGBUS) {
+ err = -EACCES;
+ goto out;
+diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
+index af88fa20dbe8..ddad189e596e 100644
+--- a/arch/x86/kvm/emulate.c
++++ b/arch/x86/kvm/emulate.c
+@@ -2450,7 +2450,7 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
+ * Not recognized on AMD in compat mode (but is recognized in legacy
+ * mode).
+ */
+- if ((ctxt->mode == X86EMUL_MODE_PROT32) && (efer & EFER_LMA)
++ if ((ctxt->mode != X86EMUL_MODE_PROT64) && (efer & EFER_LMA)
+ && !vendor_intel(ctxt))
+ return emulate_ud(ctxt);
+
+@@ -2463,25 +2463,13 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
+ setup_syscalls_segments(ctxt, &cs, &ss);
+
+ ops->get_msr(ctxt, MSR_IA32_SYSENTER_CS, &msr_data);
+- switch (ctxt->mode) {
+- case X86EMUL_MODE_PROT32:
+- if ((msr_data & 0xfffc) == 0x0)
+- return emulate_gp(ctxt, 0);
+- break;
+- case X86EMUL_MODE_PROT64:
+- if (msr_data == 0x0)
+- return emulate_gp(ctxt, 0);
+- break;
+- default:
+- break;
+- }
++ if ((msr_data & 0xfffc) == 0x0)
++ return emulate_gp(ctxt, 0);
+
+ ctxt->eflags &= ~(EFLG_VM | EFLG_IF | EFLG_RF);
+- cs_sel = (u16)msr_data;
+- cs_sel &= ~SELECTOR_RPL_MASK;
++ cs_sel = (u16)msr_data & ~SELECTOR_RPL_MASK;
+ ss_sel = cs_sel + 8;
+- ss_sel &= ~SELECTOR_RPL_MASK;
+- if (ctxt->mode == X86EMUL_MODE_PROT64 || (efer & EFER_LMA)) {
++ if (efer & EFER_LMA) {
+ cs.d = 0;
+ cs.l = 1;
+ }
+@@ -2490,10 +2478,11 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
+ ops->set_segment(ctxt, ss_sel, &ss, 0, VCPU_SREG_SS);
+
+ ops->get_msr(ctxt, MSR_IA32_SYSENTER_EIP, &msr_data);
+- ctxt->_eip = msr_data;
++ ctxt->_eip = (efer & EFER_LMA) ? msr_data : (u32)msr_data;
+
+ ops->get_msr(ctxt, MSR_IA32_SYSENTER_ESP, &msr_data);
+- *reg_write(ctxt, VCPU_REGS_RSP) = msr_data;
++ *reg_write(ctxt, VCPU_REGS_RSP) = (efer & EFER_LMA) ? msr_data :
++ (u32)msr_data;
+
+ return X86EMUL_CONTINUE;
+ }
+diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
+index d8b1ff68dbb9..e4780b052531 100644
+--- a/arch/x86/mm/fault.c
++++ b/arch/x86/mm/fault.c
+@@ -812,11 +812,8 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
+ unsigned int fault)
+ {
+ struct task_struct *tsk = current;
+- struct mm_struct *mm = tsk->mm;
+ int code = BUS_ADRERR;
+
+- up_read(&mm->mmap_sem);
+-
+ /* Kernel mode? Handle exceptions or die: */
+ if (!(error_code & PF_USER)) {
+ no_context(regs, error_code, address, SIGBUS, BUS_ADRERR);
+@@ -847,7 +844,6 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
+ unsigned long address, unsigned int fault)
+ {
+ if (fatal_signal_pending(current) && !(error_code & PF_USER)) {
+- up_read(&current->mm->mmap_sem);
+ no_context(regs, error_code, address, 0, 0);
+ return;
+ }
+@@ -855,14 +851,11 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
+ if (fault & VM_FAULT_OOM) {
+ /* Kernel mode? Handle exceptions or die: */
+ if (!(error_code & PF_USER)) {
+- up_read(&current->mm->mmap_sem);
+ no_context(regs, error_code, address,
+ SIGSEGV, SEGV_MAPERR);
+ return;
+ }
+
+- up_read(&current->mm->mmap_sem);
+-
+ /*
+ * We ran out of memory, call the OOM killer, and return the
+ * userspace (which will retry the fault, or kill us if we got
+@@ -873,6 +866,8 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
+ if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON|
+ VM_FAULT_HWPOISON_LARGE))
+ do_sigbus(regs, error_code, address, fault);
++ else if (fault & VM_FAULT_SIGSEGV)
++ bad_area_nosemaphore(regs, error_code, address);
+ else
+ BUG();
+ }
+@@ -1193,6 +1188,7 @@ good_area:
+ return;
+
+ if (unlikely(fault & VM_FAULT_ERROR)) {
++ up_read(&mm->mmap_sem);
+ mm_fault_error(regs, error_code, address, fault);
+ return;
+ }
+diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
+index 70fa7bc42b4a..38278337d85e 100644
+--- a/arch/xtensa/mm/fault.c
++++ b/arch/xtensa/mm/fault.c
+@@ -117,6 +117,8 @@ good_area:
+ if (unlikely(fault & VM_FAULT_ERROR)) {
+ if (fault & VM_FAULT_OOM)
+ goto out_of_memory;
++ else if (fault & VM_FAULT_SIGSEGV)
++ goto bad_area;
+ else if (fault & VM_FAULT_SIGBUS)
+ goto do_sigbus;
+ BUG();
+diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
+index dad8891ecbfa..9c2c4eca52e3 100644
+--- a/drivers/bluetooth/ath3k.c
++++ b/drivers/bluetooth/ath3k.c
+@@ -77,6 +77,8 @@ static struct usb_device_id ath3k_table[] = {
+ { USB_DEVICE(0x0CF3, 0x3004) },
+ { USB_DEVICE(0x0CF3, 0x3008) },
+ { USB_DEVICE(0x0CF3, 0x311D) },
++ { USB_DEVICE(0x0CF3, 0x311E) },
++ { USB_DEVICE(0x0CF3, 0x311F) },
+ { USB_DEVICE(0x0CF3, 0x817a) },
+ { USB_DEVICE(0x13d3, 0x3375) },
+ { USB_DEVICE(0x04CA, 0x3004) },
+@@ -120,6 +122,8 @@ static struct usb_device_id ath3k_blist_tbl[] = {
+ { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
++ { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
++ { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
+diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
+index 61a8ec4e5f4d..92b985317770 100644
+--- a/drivers/bluetooth/btusb.c
++++ b/drivers/bluetooth/btusb.c
+@@ -49,6 +49,7 @@ static struct usb_driver btusb_driver;
+ #define BTUSB_WRONG_SCO_MTU 0x40
+ #define BTUSB_ATH3012 0x80
+ #define BTUSB_INTEL 0x100
++#define BTUSB_INTEL_BOOT 0x200
+
+ static struct usb_device_id btusb_table[] = {
+ /* Generic Bluetooth USB device */
+@@ -113,6 +114,13 @@ static struct usb_device_id btusb_table[] = {
+ /*Broadcom devices with vendor specific id */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
+
++ /* IMC Networks - Broadcom based */
++ { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) },
++
++ /* Intel Bluetooth USB Bootloader (RAM module) */
++ { USB_DEVICE(0x8087, 0x0a5a),
++ .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
++
+ { } /* Terminating entry */
+ };
+
+@@ -141,6 +149,8 @@ static struct usb_device_id blacklist_table[] = {
+ { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
++ { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
++ { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
+@@ -1444,6 +1454,9 @@ static int btusb_probe(struct usb_interface *intf,
+ if (id->driver_info & BTUSB_INTEL)
+ hdev->setup = btusb_setup_intel;
+
++ if (id->driver_info & BTUSB_INTEL_BOOT)
++ set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
++
+ /* Interface numbers are hardcoded in the specification */
+ data->isoc = usb_ifnum_to_if(data->udev, 1);
+
+diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
+index e04462b60756..f505e4ca6d58 100644
+--- a/drivers/edac/sb_edac.c
++++ b/drivers/edac/sb_edac.c
+@@ -270,8 +270,9 @@ static const u32 correrrthrsld[] = {
+ * sbridge structs
+ */
+
+-#define NUM_CHANNELS 4
+-#define MAX_DIMMS 3 /* Max DIMMS per channel */
++#define NUM_CHANNELS 4
++#define MAX_DIMMS 3 /* Max DIMMS per channel */
++#define CHANNEL_UNSPECIFIED 0xf /* Intel IA32 SDM 15-14 */
+
+ struct sbridge_info {
+ u32 mcmtr;
+@@ -1451,6 +1452,9 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci,
+
+ /* FIXME: need support for channel mask */
+
++ if (channel == CHANNEL_UNSPECIFIED)
++ channel = -1;
++
+ /* Call the helper to output message */
+ edac_mc_handle_error(tp_event, mci, core_err_cnt,
+ m->addr >> PAGE_SHIFT, m->addr & ~PAGE_MASK, 0,
+diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
+index 5d204492c603..161dcba13c47 100644
+--- a/drivers/net/ethernet/broadcom/bnx2.c
++++ b/drivers/net/ethernet/broadcom/bnx2.c
+@@ -2869,7 +2869,7 @@ bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
+ sw_cons = BNX2_NEXT_TX_BD(sw_cons);
+
+ tx_bytes += skb->len;
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ tx_pkt++;
+ if (tx_pkt == budget)
+ break;
+@@ -6610,7 +6610,7 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
+
+ mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
+ if (dma_mapping_error(&bp->pdev->dev, mapping)) {
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+
+@@ -6703,7 +6703,7 @@ dma_error:
+ PCI_DMA_TODEVICE);
+ }
+
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+
+diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
+index 8c1eab1151b8..680d26d6d2c3 100644
+--- a/drivers/net/ethernet/broadcom/tg3.c
++++ b/drivers/net/ethernet/broadcom/tg3.c
+@@ -6437,7 +6437,7 @@ static void tg3_tx(struct tg3_napi *tnapi)
+ pkts_compl++;
+ bytes_compl += skb->len;
+
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+
+ if (unlikely(tx_bug)) {
+ tg3_tx_recover(tp);
+@@ -6769,7 +6769,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
+ if (len > (tp->dev->mtu + ETH_HLEN) &&
+ skb->protocol != htons(ETH_P_8021Q) &&
+ skb->protocol != htons(ETH_P_8021AD)) {
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ goto drop_it_no_recycle;
+ }
+
+@@ -7652,7 +7652,7 @@ static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
+ PCI_DMA_TODEVICE);
+ /* Make sure the mapping succeeded */
+ if (pci_dma_mapping_error(tp->pdev, new_addr)) {
+- dev_kfree_skb(new_skb);
++ dev_kfree_skb_any(new_skb);
+ ret = -1;
+ } else {
+ u32 save_entry = *entry;
+@@ -7667,13 +7667,13 @@ static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
+ new_skb->len, base_flags,
+ mss, vlan)) {
+ tg3_tx_skb_unmap(tnapi, save_entry, -1);
+- dev_kfree_skb(new_skb);
++ dev_kfree_skb_any(new_skb);
+ ret = -1;
+ }
+ }
+ }
+
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ *pskb = new_skb;
+ return ret;
+ }
+@@ -7716,7 +7716,7 @@ static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
+ } while (segs);
+
+ tg3_tso_bug_end:
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+
+ return NETDEV_TX_OK;
+ }
+@@ -7954,7 +7954,7 @@ dma_error:
+ tg3_tx_skb_unmap(tnapi, tnapi->tx_prod, --i);
+ tnapi->tx_buffers[tnapi->tx_prod].skb = NULL;
+ drop:
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ drop_nofree:
+ tp->tx_dropped++;
+ return NETDEV_TX_OK;
+diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
+index d81a7dbfeef6..88e85cb88342 100644
+--- a/drivers/net/ethernet/emulex/benet/be_main.c
++++ b/drivers/net/ethernet/emulex/benet/be_main.c
+@@ -1767,7 +1767,7 @@ static u16 be_tx_compl_process(struct be_adapter *adapter,
+ queue_tail_inc(txq);
+ } while (cur_index != last_index);
+
+- kfree_skb(sent_skb);
++ dev_kfree_skb_any(sent_skb);
+ return num_wrbs;
+ }
+
+diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
+index fce3e92f9d11..c5a9dcc01ca8 100644
+--- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c
++++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
+@@ -1527,12 +1527,12 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+ int tso;
+
+ if (test_bit(__IXGB_DOWN, &adapter->flags)) {
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+
+ if (skb->len <= 0) {
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+
+@@ -1549,7 +1549,7 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+
+ tso = ixgb_tso(adapter, skb);
+ if (tso < 0) {
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+
+diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
+index 064425d3178d..437d4cfd42cc 100644
+--- a/drivers/net/ethernet/realtek/8139cp.c
++++ b/drivers/net/ethernet/realtek/8139cp.c
+@@ -899,7 +899,7 @@ out_unlock:
+
+ return NETDEV_TX_OK;
+ out_dma_error:
+- kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ cp->dev->stats.tx_dropped++;
+ goto out_unlock;
+ }
+diff --git a/drivers/net/ethernet/realtek/8139too.c b/drivers/net/ethernet/realtek/8139too.c
+index 3ccedeb8aba0..942673fcb391 100644
+--- a/drivers/net/ethernet/realtek/8139too.c
++++ b/drivers/net/ethernet/realtek/8139too.c
+@@ -1715,9 +1715,9 @@ static netdev_tx_t rtl8139_start_xmit (struct sk_buff *skb,
+ if (len < ETH_ZLEN)
+ memset(tp->tx_buf[entry], 0, ETH_ZLEN);
+ skb_copy_and_csum_dev(skb, tp->tx_buf[entry]);
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ } else {
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ dev->stats.tx_dropped++;
+ return NETDEV_TX_OK;
+ }
+diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
+index e9b5d77a90db..2183c6189148 100644
+--- a/drivers/net/ethernet/realtek/r8169.c
++++ b/drivers/net/ethernet/realtek/r8169.c
+@@ -5768,7 +5768,7 @@ static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
+ tp->TxDescArray + entry);
+ if (skb) {
+ tp->dev->stats.tx_dropped++;
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ tx_skb->skb = NULL;
+ }
+ }
+@@ -5993,7 +5993,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
+ err_dma_1:
+ rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
+ err_dma_0:
+- dev_kfree_skb(skb);
++ dev_kfree_skb_any(skb);
+ err_update_stats:
+ dev->stats.tx_dropped++;
+ return NETDEV_TX_OK;
+@@ -6076,7 +6076,7 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
+ tp->tx_stats.packets++;
+ tp->tx_stats.bytes += tx_skb->skb->len;
+ u64_stats_update_end(&tp->tx_stats.syncp);
+- dev_kfree_skb(tx_skb->skb);
++ dev_kfree_skb_any(tx_skb->skb);
+ tx_skb->skb = NULL;
+ }
+ dirty_tx++;
+diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
+index 345b5ddcb1a0..86281fa5dcc3 100644
+--- a/drivers/tty/serial/8250/8250_dw.c
++++ b/drivers/tty/serial/8250/8250_dw.c
+@@ -98,7 +98,10 @@ static void dw8250_serial_out(struct uart_port *p, int offset, int value)
+ dw8250_force_idle(p);
+ writeb(value, p->membase + (UART_LCR << p->regshift));
+ }
+- dev_err(p->dev, "Couldn't set LCR to %d\n", value);
++ /*
++ * FIXME: this deadlocks if port->lock is already held
++ * dev_err(p->dev, "Couldn't set LCR to %d\n", value);
++ */
+ }
+ }
+
+@@ -128,7 +131,10 @@ static void dw8250_serial_out32(struct uart_port *p, int offset, int value)
+ dw8250_force_idle(p);
+ writel(value, p->membase + (UART_LCR << p->regshift));
+ }
+- dev_err(p->dev, "Couldn't set LCR to %d\n", value);
++ /*
++ * FIXME: this deadlocks if port->lock is already held
++ * dev_err(p->dev, "Couldn't set LCR to %d\n", value);
++ */
+ }
+ }
+
+diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c
+index d9a43674cb94..9cca0ea4e479 100644
+--- a/fs/affs/amigaffs.c
++++ b/fs/affs/amigaffs.c
+@@ -126,7 +126,7 @@ affs_fix_dcache(struct inode *inode, u32 entry_ino)
+ {
+ struct dentry *dentry;
+ spin_lock(&inode->i_lock);
+- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
++ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
+ if (entry_ino == (u32)(long)dentry->d_fsdata) {
+ dentry->d_fsdata = (void *)inode->i_ino;
+ break;
+diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
+index 13ddec92341c..8ad277990eac 100644
+--- a/fs/autofs4/expire.c
++++ b/fs/autofs4/expire.c
+@@ -91,7 +91,7 @@ static struct dentry *get_next_positive_subdir(struct dentry *prev,
+ spin_lock(&root->d_lock);
+
+ if (prev)
+- next = prev->d_u.d_child.next;
++ next = prev->d_child.next;
+ else {
+ prev = dget_dlock(root);
+ next = prev->d_subdirs.next;
+@@ -105,13 +105,13 @@ cont:
+ return NULL;
+ }
+
+- q = list_entry(next, struct dentry, d_u.d_child);
++ q = list_entry(next, struct dentry, d_child);
+
+ spin_lock_nested(&q->d_lock, DENTRY_D_LOCK_NESTED);
+ /* Already gone or negative dentry (under construction) - try next */
+ if (q->d_count == 0 || !simple_positive(q)) {
+ spin_unlock(&q->d_lock);
+- next = q->d_u.d_child.next;
++ next = q->d_child.next;
+ goto cont;
+ }
+ dget_dlock(q);
+@@ -161,13 +161,13 @@ again:
+ goto relock;
+ }
+ spin_unlock(&p->d_lock);
+- next = p->d_u.d_child.next;
++ next = p->d_child.next;
+ p = parent;
+ if (next != &parent->d_subdirs)
+ break;
+ }
+ }
+- ret = list_entry(next, struct dentry, d_u.d_child);
++ ret = list_entry(next, struct dentry, d_child);
+
+ spin_lock_nested(&ret->d_lock, DENTRY_D_LOCK_NESTED);
+ /* Negative dentry - try next */
+@@ -447,7 +447,7 @@ found:
+ spin_lock(&sbi->lookup_lock);
+ spin_lock(&expired->d_parent->d_lock);
+ spin_lock_nested(&expired->d_lock, DENTRY_D_LOCK_NESTED);
+- list_move(&expired->d_parent->d_subdirs, &expired->d_u.d_child);
++ list_move(&expired->d_parent->d_subdirs, &expired->d_child);
+ spin_unlock(&expired->d_lock);
+ spin_unlock(&expired->d_parent->d_lock);
+ spin_unlock(&sbi->lookup_lock);
+diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
+index 085da86e07c2..79ab4cb3590a 100644
+--- a/fs/autofs4/root.c
++++ b/fs/autofs4/root.c
+@@ -655,7 +655,7 @@ static void autofs_clear_leaf_automount_flags(struct dentry *dentry)
+ /* only consider parents below dentrys in the root */
+ if (IS_ROOT(parent->d_parent))
+ return;
+- d_child = &dentry->d_u.d_child;
++ d_child = &dentry->d_child;
+ /* Set parent managed if it's becoming empty */
+ if (d_child->next == &parent->d_subdirs &&
+ d_child->prev == &parent->d_subdirs)
+diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
+index f02d82b7933e..ccb43298e272 100644
+--- a/fs/ceph/dir.c
++++ b/fs/ceph/dir.c
+@@ -103,7 +103,7 @@ static unsigned fpos_off(loff_t p)
+ /*
+ * When possible, we try to satisfy a readdir by peeking at the
+ * dcache. We make this work by carefully ordering dentries on
+- * d_u.d_child when we initially get results back from the MDS, and
++ * d_child when we initially get results back from the MDS, and
+ * falling back to a "normal" sync readdir if any dentries in the dir
+ * are dropped.
+ *
+@@ -139,11 +139,11 @@ static int __dcache_readdir(struct file *filp,
+ p = parent->d_subdirs.prev;
+ dout(" initial p %p/%p\n", p->prev, p->next);
+ } else {
+- p = last->d_u.d_child.prev;
++ p = last->d_child.prev;
+ }
+
+ more:
+- dentry = list_entry(p, struct dentry, d_u.d_child);
++ dentry = list_entry(p, struct dentry, d_child);
+ di = ceph_dentry(dentry);
+ while (1) {
+ dout(" p %p/%p %s d_subdirs %p/%p\n", p->prev, p->next,
+@@ -165,7 +165,7 @@ more:
+ !dentry->d_inode ? " null" : "");
+ spin_unlock(&dentry->d_lock);
+ p = p->prev;
+- dentry = list_entry(p, struct dentry, d_u.d_child);
++ dentry = list_entry(p, struct dentry, d_child);
+ di = ceph_dentry(dentry);
+ }
+
+diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
+index be0f7e20d62e..0cf23a7b88c2 100644
+--- a/fs/ceph/inode.c
++++ b/fs/ceph/inode.c
+@@ -867,9 +867,9 @@ static void ceph_set_dentry_offset(struct dentry *dn)
+
+ spin_lock(&dir->d_lock);
+ spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
+- list_move(&dn->d_u.d_child, &dir->d_subdirs);
++ list_move(&dn->d_child, &dir->d_subdirs);
+ dout("set_dentry_offset %p %lld (%p %p)\n", dn, di->offset,
+- dn->d_u.d_child.prev, dn->d_u.d_child.next);
++ dn->d_child.prev, dn->d_child.next);
+ spin_unlock(&dn->d_lock);
+ spin_unlock(&dir->d_lock);
+ }
+@@ -1296,7 +1296,7 @@ retry_lookup:
+ /* reorder parent's d_subdirs */
+ spin_lock(&parent->d_lock);
+ spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
+- list_move(&dn->d_u.d_child, &parent->d_subdirs);
++ list_move(&dn->d_child, &parent->d_subdirs);
+ spin_unlock(&dn->d_lock);
+ spin_unlock(&parent->d_lock);
+ }
+diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
+index 0dee93706c98..54304ccae7e7 100644
+--- a/fs/cifs/inode.c
++++ b/fs/cifs/inode.c
+@@ -832,7 +832,7 @@ inode_has_hashed_dentries(struct inode *inode)
+ struct dentry *dentry;
+
+ spin_lock(&inode->i_lock);
+- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
++ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
+ if (!d_unhashed(dentry) || IS_ROOT(dentry)) {
+ spin_unlock(&inode->i_lock);
+ return true;
+diff --git a/fs/coda/cache.c b/fs/coda/cache.c
+index 1da168c61d35..9bc1147a6c5d 100644
+--- a/fs/coda/cache.c
++++ b/fs/coda/cache.c
+@@ -92,7 +92,7 @@ static void coda_flag_children(struct dentry *parent, int flag)
+ struct dentry *de;
+
+ spin_lock(&parent->d_lock);
+- list_for_each_entry(de, &parent->d_subdirs, d_u.d_child) {
++ list_for_each_entry(de, &parent->d_subdirs, d_child) {
+ /* don't know what to do with negative dentries */
+ if (de->d_inode )
+ coda_flag_inode(de->d_inode, flag);
+diff --git a/fs/dcache.c b/fs/dcache.c
+index 25c0a1b5f6c0..efa4602e064f 100644
+--- a/fs/dcache.c
++++ b/fs/dcache.c
+@@ -43,7 +43,7 @@
+ /*
+ * Usage:
+ * dcache->d_inode->i_lock protects:
+- * - i_dentry, d_alias, d_inode of aliases
++ * - i_dentry, d_u.d_alias, d_inode of aliases
+ * dcache_hash_bucket lock protects:
+ * - the dcache hash table
+ * s_anon bl list spinlock protects:
+@@ -58,7 +58,7 @@
+ * - d_unhashed()
+ * - d_parent and d_subdirs
+ * - childrens' d_child and d_parent
+- * - d_alias, d_inode
++ * - d_u.d_alias, d_inode
+ *
+ * Ordering:
+ * dentry->d_inode->i_lock
+@@ -215,7 +215,6 @@ static void __d_free(struct rcu_head *head)
+ {
+ struct dentry *dentry = container_of(head, struct dentry, d_u.d_rcu);
+
+- WARN_ON(!hlist_unhashed(&dentry->d_alias));
+ if (dname_external(dentry))
+ kfree(dentry->d_name.name);
+ kmem_cache_free(dentry_cache, dentry);
+@@ -226,6 +225,7 @@ static void __d_free(struct rcu_head *head)
+ */
+ static void d_free(struct dentry *dentry)
+ {
++ WARN_ON(!hlist_unhashed(&dentry->d_u.d_alias));
+ BUG_ON(dentry->d_count);
+ this_cpu_dec(nr_dentry);
+ if (dentry->d_op && dentry->d_op->d_release)
+@@ -264,7 +264,7 @@ static void dentry_iput(struct dentry * dentry)
+ struct inode *inode = dentry->d_inode;
+ if (inode) {
+ dentry->d_inode = NULL;
+- hlist_del_init(&dentry->d_alias);
++ hlist_del_init(&dentry->d_u.d_alias);
+ spin_unlock(&dentry->d_lock);
+ spin_unlock(&inode->i_lock);
+ if (!inode->i_nlink)
+@@ -288,7 +288,7 @@ static void dentry_unlink_inode(struct dentry * dentry)
+ {
+ struct inode *inode = dentry->d_inode;
+ dentry->d_inode = NULL;
+- hlist_del_init(&dentry->d_alias);
++ hlist_del_init(&dentry->d_u.d_alias);
+ dentry_rcuwalk_barrier(dentry);
+ spin_unlock(&dentry->d_lock);
+ spin_unlock(&inode->i_lock);
+@@ -364,9 +364,9 @@ static struct dentry *d_kill(struct dentry *dentry, struct dentry *parent)
+ __releases(parent->d_lock)
+ __releases(dentry->d_inode->i_lock)
+ {
+- list_del(&dentry->d_u.d_child);
++ __list_del_entry(&dentry->d_child);
+ /*
+- * Inform try_to_ascend() that we are no longer attached to the
++ * Inform ascending readers that we are no longer attached to the
+ * dentry tree
+ */
+ dentry->d_flags |= DCACHE_DENTRY_KILLED;
+@@ -660,7 +660,7 @@ static struct dentry *__d_find_alias(struct inode *inode, int want_discon)
+
+ again:
+ discon_alias = NULL;
+- hlist_for_each_entry(alias, &inode->i_dentry, d_alias) {
++ hlist_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
+ spin_lock(&alias->d_lock);
+ if (S_ISDIR(inode->i_mode) || !d_unhashed(alias)) {
+ if (IS_ROOT(alias) &&
+@@ -713,7 +713,7 @@ void d_prune_aliases(struct inode *inode)
+ struct dentry *dentry;
+ restart:
+ spin_lock(&inode->i_lock);
+- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
++ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
+ spin_lock(&dentry->d_lock);
+ if (!dentry->d_count) {
+ __dget_dlock(dentry);
+@@ -893,7 +893,7 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
+ /* descend to the first leaf in the current subtree */
+ while (!list_empty(&dentry->d_subdirs))
+ dentry = list_entry(dentry->d_subdirs.next,
+- struct dentry, d_u.d_child);
++ struct dentry, d_child);
+
+ /* consume the dentries from this leaf up through its parents
+ * until we find one with children or run out altogether */
+@@ -927,17 +927,17 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
+
+ if (IS_ROOT(dentry)) {
+ parent = NULL;
+- list_del(&dentry->d_u.d_child);
++ list_del(&dentry->d_child);
+ } else {
+ parent = dentry->d_parent;
+ parent->d_count--;
+- list_del(&dentry->d_u.d_child);
++ list_del(&dentry->d_child);
+ }
+
+ inode = dentry->d_inode;
+ if (inode) {
+ dentry->d_inode = NULL;
+- hlist_del_init(&dentry->d_alias);
++ hlist_del_init(&dentry->d_u.d_alias);
+ if (dentry->d_op && dentry->d_op->d_iput)
+ dentry->d_op->d_iput(dentry, inode);
+ else
+@@ -955,7 +955,7 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
+ } while (list_empty(&dentry->d_subdirs));
+
+ dentry = list_entry(dentry->d_subdirs.next,
+- struct dentry, d_u.d_child);
++ struct dentry, d_child);
+ }
+ }
+
+@@ -988,35 +988,6 @@ void shrink_dcache_for_umount(struct super_block *sb)
+ }
+
+ /*
+- * This tries to ascend one level of parenthood, but
+- * we can race with renaming, so we need to re-check
+- * the parenthood after dropping the lock and check
+- * that the sequence number still matches.
+- */
+-static struct dentry *try_to_ascend(struct dentry *old, int locked, unsigned seq)
+-{
+- struct dentry *new = old->d_parent;
+-
+- rcu_read_lock();
+- spin_unlock(&old->d_lock);
+- spin_lock(&new->d_lock);
+-
+- /*
+- * might go back up the wrong parent if we have had a rename
+- * or deletion
+- */
+- if (new != old->d_parent ||
+- (old->d_flags & DCACHE_DENTRY_KILLED) ||
+- (!locked && read_seqretry(&rename_lock, seq))) {
+- spin_unlock(&new->d_lock);
+- new = NULL;
+- }
+- rcu_read_unlock();
+- return new;
+-}
+-
+-
+-/*
+ * Search for at least 1 mount point in the dentry's subdirs.
+ * We descend to the next level whenever the d_subdirs
+ * list is non-empty and continue searching.
+@@ -1048,7 +1019,7 @@ repeat:
+ resume:
+ while (next != &this_parent->d_subdirs) {
+ struct list_head *tmp = next;
+- struct dentry *dentry = list_entry(tmp, struct dentry, d_u.d_child);
++ struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
+ next = tmp->next;
+
+ spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
+@@ -1070,30 +1041,48 @@ resume:
+ /*
+ * All done at this level ... ascend and resume the search.
+ */
++ rcu_read_lock();
++ascend:
+ if (this_parent != parent) {
+ struct dentry *child = this_parent;
+- this_parent = try_to_ascend(this_parent, locked, seq);
+- if (!this_parent)
++ this_parent = child->d_parent;
++
++ spin_unlock(&child->d_lock);
++ spin_lock(&this_parent->d_lock);
++
++ /* might go back up the wrong parent if we have had a rename. */
++ if (!locked && read_seqretry(&rename_lock, seq))
+ goto rename_retry;
+- next = child->d_u.d_child.next;
++ next = child->d_child.next;
++ while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)) {
++ if (next == &this_parent->d_subdirs)
++ goto ascend;
++ child = list_entry(next, struct dentry, d_child);
++ next = next->next;
++ }
++ rcu_read_unlock();
+ goto resume;
+ }
+- spin_unlock(&this_parent->d_lock);
+ if (!locked && read_seqretry(&rename_lock, seq))
+ goto rename_retry;
++ spin_unlock(&this_parent->d_lock);
++ rcu_read_unlock();
+ if (locked)
+ write_sequnlock(&rename_lock);
+ return 0; /* No mount points found in tree */
+ positive:
+ if (!locked && read_seqretry(&rename_lock, seq))
+- goto rename_retry;
++ goto rename_retry_unlocked;
+ if (locked)
+ write_sequnlock(&rename_lock);
+ return 1;
+
+ rename_retry:
++ spin_unlock(&this_parent->d_lock);
++ rcu_read_unlock();
+ if (locked)
+ goto again;
++rename_retry_unlocked:
+ locked = 1;
+ write_seqlock(&rename_lock);
+ goto again;
+@@ -1131,7 +1120,7 @@ repeat:
+ resume:
+ while (next != &this_parent->d_subdirs) {
+ struct list_head *tmp = next;
+- struct dentry *dentry = list_entry(tmp, struct dentry, d_u.d_child);
++ struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
+ next = tmp->next;
+
+ spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
+@@ -1158,6 +1147,7 @@ resume:
+ */
+ if (found && need_resched()) {
+ spin_unlock(&dentry->d_lock);
++ rcu_read_lock();
+ goto out;
+ }
+
+@@ -1177,23 +1167,40 @@ resume:
+ /*
+ * All done at this level ... ascend and resume the search.
+ */
++ rcu_read_lock();
++ascend:
+ if (this_parent != parent) {
+ struct dentry *child = this_parent;
+- this_parent = try_to_ascend(this_parent, locked, seq);
+- if (!this_parent)
++ this_parent = child->d_parent;
++
++ spin_unlock(&child->d_lock);
++ spin_lock(&this_parent->d_lock);
++
++ /* might go back up the wrong parent if we have had a rename. */
++ if (!locked && read_seqretry(&rename_lock, seq))
+ goto rename_retry;
+- next = child->d_u.d_child.next;
++ next = child->d_child.next;
++ while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)) {
++ if (next == &this_parent->d_subdirs)
++ goto ascend;
++ child = list_entry(next, struct dentry, d_child);
++ next = next->next;
++ }
++ rcu_read_unlock();
+ goto resume;
+ }
+ out:
+- spin_unlock(&this_parent->d_lock);
+ if (!locked && read_seqretry(&rename_lock, seq))
+ goto rename_retry;
++ spin_unlock(&this_parent->d_lock);
++ rcu_read_unlock();
+ if (locked)
+ write_sequnlock(&rename_lock);
+ return found;
+
+ rename_retry:
++ spin_unlock(&this_parent->d_lock);
++ rcu_read_unlock();
+ if (found)
+ return found;
+ if (locked)
+@@ -1278,8 +1285,8 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name)
+ INIT_HLIST_BL_NODE(&dentry->d_hash);
+ INIT_LIST_HEAD(&dentry->d_lru);
+ INIT_LIST_HEAD(&dentry->d_subdirs);
+- INIT_HLIST_NODE(&dentry->d_alias);
+- INIT_LIST_HEAD(&dentry->d_u.d_child);
++ INIT_HLIST_NODE(&dentry->d_u.d_alias);
++ INIT_LIST_HEAD(&dentry->d_child);
+ d_set_d_op(dentry, dentry->d_sb->s_d_op);
+
+ this_cpu_inc(nr_dentry);
+@@ -1309,7 +1316,7 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name)
+ */
+ __dget_dlock(parent);
+ dentry->d_parent = parent;
+- list_add(&dentry->d_u.d_child, &parent->d_subdirs);
++ list_add(&dentry->d_child, &parent->d_subdirs);
+ spin_unlock(&parent->d_lock);
+
+ return dentry;
+@@ -1369,7 +1376,7 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode)
+ if (inode) {
+ if (unlikely(IS_AUTOMOUNT(inode)))
+ dentry->d_flags |= DCACHE_NEED_AUTOMOUNT;
+- hlist_add_head(&dentry->d_alias, &inode->i_dentry);
++ hlist_add_head(&dentry->d_u.d_alias, &inode->i_dentry);
+ }
+ dentry->d_inode = inode;
+ dentry_rcuwalk_barrier(dentry);
+@@ -1394,7 +1401,7 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode)
+
+ void d_instantiate(struct dentry *entry, struct inode * inode)
+ {
+- BUG_ON(!hlist_unhashed(&entry->d_alias));
++ BUG_ON(!hlist_unhashed(&entry->d_u.d_alias));
+ if (inode)
+ spin_lock(&inode->i_lock);
+ __d_instantiate(entry, inode);
+@@ -1433,7 +1440,7 @@ static struct dentry *__d_instantiate_unique(struct dentry *entry,
+ return NULL;
+ }
+
+- hlist_for_each_entry(alias, &inode->i_dentry, d_alias) {
++ hlist_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
+ /*
+ * Don't need alias->d_lock here, because aliases with
+ * d_parent == entry->d_parent are not subject to name or
+@@ -1459,7 +1466,7 @@ struct dentry *d_instantiate_unique(struct dentry *entry, struct inode *inode)
+ {
+ struct dentry *result;
+
+- BUG_ON(!hlist_unhashed(&entry->d_alias));
++ BUG_ON(!hlist_unhashed(&entry->d_u.d_alias));
+
+ if (inode)
+ spin_lock(&inode->i_lock);
+@@ -1502,7 +1509,7 @@ static struct dentry * __d_find_any_alias(struct inode *inode)
+
+ if (hlist_empty(&inode->i_dentry))
+ return NULL;
+- alias = hlist_entry(inode->i_dentry.first, struct dentry, d_alias);
++ alias = hlist_entry(inode->i_dentry.first, struct dentry, d_u.d_alias);
+ __dget(alias);
+ return alias;
+ }
+@@ -1576,7 +1583,7 @@ struct dentry *d_obtain_alias(struct inode *inode)
+ spin_lock(&tmp->d_lock);
+ tmp->d_inode = inode;
+ tmp->d_flags |= DCACHE_DISCONNECTED;
+- hlist_add_head(&tmp->d_alias, &inode->i_dentry);
++ hlist_add_head(&tmp->d_u.d_alias, &inode->i_dentry);
+ hlist_bl_lock(&tmp->d_sb->s_anon);
+ hlist_bl_add_head(&tmp->d_hash, &tmp->d_sb->s_anon);
+ hlist_bl_unlock(&tmp->d_sb->s_anon);
+@@ -2019,7 +2026,7 @@ int d_validate(struct dentry *dentry, struct dentry *dparent)
+ struct dentry *child;
+
+ spin_lock(&dparent->d_lock);
+- list_for_each_entry(child, &dparent->d_subdirs, d_u.d_child) {
++ list_for_each_entry(child, &dparent->d_subdirs, d_child) {
+ if (dentry == child) {
+ spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
+ __dget_dlock(dentry);
+@@ -2266,8 +2273,8 @@ static void __d_move(struct dentry * dentry, struct dentry * target)
+ /* Unhash the target: dput() will then get rid of it */
+ __d_drop(target);
+
+- list_del(&dentry->d_u.d_child);
+- list_del(&target->d_u.d_child);
++ list_del(&dentry->d_child);
++ list_del(&target->d_child);
+
+ /* Switch the names.. */
+ switch_names(dentry, target);
+@@ -2277,15 +2284,15 @@ static void __d_move(struct dentry * dentry, struct dentry * target)
+ if (IS_ROOT(dentry)) {
+ dentry->d_parent = target->d_parent;
+ target->d_parent = target;
+- INIT_LIST_HEAD(&target->d_u.d_child);
++ INIT_LIST_HEAD(&target->d_child);
+ } else {
+ swap(dentry->d_parent, target->d_parent);
+
+ /* And add them back to the (new) parent lists */
+- list_add(&target->d_u.d_child, &target->d_parent->d_subdirs);
++ list_add(&target->d_child, &target->d_parent->d_subdirs);
+ }
+
+- list_add(&dentry->d_u.d_child, &dentry->d_parent->d_subdirs);
++ list_add(&dentry->d_child, &dentry->d_parent->d_subdirs);
+
+ write_seqcount_end(&target->d_seq);
+ write_seqcount_end(&dentry->d_seq);
+@@ -2392,9 +2399,9 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
+ swap(dentry->d_name.hash, anon->d_name.hash);
+
+ dentry->d_parent = dentry;
+- list_del_init(&dentry->d_u.d_child);
++ list_del_init(&dentry->d_child);
+ anon->d_parent = dparent;
+- list_move(&anon->d_u.d_child, &dparent->d_subdirs);
++ list_move(&anon->d_child, &dparent->d_subdirs);
+
+ write_seqcount_end(&dentry->d_seq);
+ write_seqcount_end(&anon->d_seq);
+@@ -2933,7 +2940,7 @@ repeat:
+ resume:
+ while (next != &this_parent->d_subdirs) {
+ struct list_head *tmp = next;
+- struct dentry *dentry = list_entry(tmp, struct dentry, d_u.d_child);
++ struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
+ next = tmp->next;
+
+ spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
+@@ -2954,26 +2961,43 @@ resume:
+ }
+ spin_unlock(&dentry->d_lock);
+ }
++ rcu_read_lock();
++ascend:
+ if (this_parent != root) {
+ struct dentry *child = this_parent;
+ if (!(this_parent->d_flags & DCACHE_GENOCIDE)) {
+ this_parent->d_flags |= DCACHE_GENOCIDE;
+ this_parent->d_count--;
+ }
+- this_parent = try_to_ascend(this_parent, locked, seq);
+- if (!this_parent)
++ this_parent = child->d_parent;
++
++ spin_unlock(&child->d_lock);
++ spin_lock(&this_parent->d_lock);
++
++ /* might go back up the wrong parent if we have had a rename. */
++ if (!locked && read_seqretry(&rename_lock, seq))
+ goto rename_retry;
+- next = child->d_u.d_child.next;
++ next = child->d_child.next;
++ while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)) {
++ if (next == &this_parent->d_subdirs)
++ goto ascend;
++ child = list_entry(next, struct dentry, d_child);
++ next = next->next;
++ }
++ rcu_read_unlock();
+ goto resume;
+ }
+- spin_unlock(&this_parent->d_lock);
+ if (!locked && read_seqretry(&rename_lock, seq))
+ goto rename_retry;
++ spin_unlock(&this_parent->d_lock);
++ rcu_read_unlock();
+ if (locked)
+ write_sequnlock(&rename_lock);
+ return;
+
+ rename_retry:
++ spin_unlock(&this_parent->d_lock);
++ rcu_read_unlock();
+ if (locked)
+ goto again;
+ locked = 1;
+diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
+index 7269ec329c01..26d7fff8d78e 100644
+--- a/fs/debugfs/inode.c
++++ b/fs/debugfs/inode.c
+@@ -545,7 +545,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
+ parent = dentry;
+ down:
+ mutex_lock(&parent->d_inode->i_mutex);
+- list_for_each_entry_safe(child, next, &parent->d_subdirs, d_u.d_child) {
++ list_for_each_entry_safe(child, next, &parent->d_subdirs, d_child) {
+ if (!debugfs_positive(child))
+ continue;
+
+@@ -566,8 +566,8 @@ void debugfs_remove_recursive(struct dentry *dentry)
+ mutex_lock(&parent->d_inode->i_mutex);
+
+ if (child != dentry) {
+- next = list_entry(child->d_u.d_child.next, struct dentry,
+- d_u.d_child);
++ next = list_entry(child->d_child.next, struct dentry,
++ d_child);
+ goto up;
+ }
+
+diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
+index 262fc9940982..b4eec4c9a790 100644
+--- a/fs/exportfs/expfs.c
++++ b/fs/exportfs/expfs.c
+@@ -50,7 +50,7 @@ find_acceptable_alias(struct dentry *result,
+
+ inode = result->d_inode;
+ spin_lock(&inode->i_lock);
+- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
++ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
+ dget(dentry);
+ spin_unlock(&inode->i_lock);
+ if (toput)
+diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
+index c450fdb3d78d..5d876b1c9ea4 100644
+--- a/fs/jfs/jfs_dtree.c
++++ b/fs/jfs/jfs_dtree.c
+@@ -3103,7 +3103,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
+ * self "."
+ */
+ filp->f_pos = 1;
+- if (filldir(dirent, ".", 1, 0, ip->i_ino,
++ if (filldir(dirent, ".", 1, 1, ip->i_ino,
+ DT_DIR))
+ return 0;
+ }
+@@ -3111,7 +3111,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
+ * parent ".."
+ */
+ filp->f_pos = 2;
+- if (filldir(dirent, "..", 2, 1, PARENT(ip), DT_DIR))
++ if (filldir(dirent, "..", 2, 2, PARENT(ip), DT_DIR))
+ return 0;
+
+ /*
+diff --git a/fs/libfs.c b/fs/libfs.c
+index 916da8c4158b..1299bd5e07b7 100644
+--- a/fs/libfs.c
++++ b/fs/libfs.c
+@@ -104,18 +104,18 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence)
+
+ spin_lock(&dentry->d_lock);
+ /* d_lock not required for cursor */
+- list_del(&cursor->d_u.d_child);
++ list_del(&cursor->d_child);
+ p = dentry->d_subdirs.next;
+ while (n && p != &dentry->d_subdirs) {
+ struct dentry *next;
+- next = list_entry(p, struct dentry, d_u.d_child);
++ next = list_entry(p, struct dentry, d_child);
+ spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
+ if (simple_positive(next))
+ n--;
+ spin_unlock(&next->d_lock);
+ p = p->next;
+ }
+- list_add_tail(&cursor->d_u.d_child, p);
++ list_add_tail(&cursor->d_child, p);
+ spin_unlock(&dentry->d_lock);
+ }
+ }
+@@ -139,7 +139,7 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
+ {
+ struct dentry *dentry = filp->f_path.dentry;
+ struct dentry *cursor = filp->private_data;
+- struct list_head *p, *q = &cursor->d_u.d_child;
++ struct list_head *p, *q = &cursor->d_child;
+ ino_t ino;
+ int i = filp->f_pos;
+
+@@ -165,7 +165,7 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
+
+ for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
+ struct dentry *next;
+- next = list_entry(p, struct dentry, d_u.d_child);
++ next = list_entry(p, struct dentry, d_child);
+ spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
+ if (!simple_positive(next)) {
+ spin_unlock(&next->d_lock);
+@@ -289,7 +289,7 @@ int simple_empty(struct dentry *dentry)
+ int ret = 0;
+
+ spin_lock(&dentry->d_lock);
+- list_for_each_entry(child, &dentry->d_subdirs, d_u.d_child) {
++ list_for_each_entry(child, &dentry->d_subdirs, d_child) {
+ spin_lock_nested(&child->d_lock, DENTRY_D_LOCK_NESTED);
+ if (simple_positive(child)) {
+ spin_unlock(&child->d_lock);
+diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
+index 6792ce11f2bf..c578ba9949e6 100644
+--- a/fs/ncpfs/dir.c
++++ b/fs/ncpfs/dir.c
+@@ -391,7 +391,7 @@ ncp_dget_fpos(struct dentry *dentry, struct dentry *parent, unsigned long fpos)
+ spin_lock(&parent->d_lock);
+ next = parent->d_subdirs.next;
+ while (next != &parent->d_subdirs) {
+- dent = list_entry(next, struct dentry, d_u.d_child);
++ dent = list_entry(next, struct dentry, d_child);
+ if ((unsigned long)dent->d_fsdata == fpos) {
+ if (dent->d_inode)
+ dget(dent);
+diff --git a/fs/ncpfs/ncplib_kernel.h b/fs/ncpfs/ncplib_kernel.h
+index 32c06587351a..6d5e7c56c79d 100644
+--- a/fs/ncpfs/ncplib_kernel.h
++++ b/fs/ncpfs/ncplib_kernel.h
+@@ -194,7 +194,7 @@ ncp_renew_dentries(struct dentry *parent)
+ spin_lock(&parent->d_lock);
+ next = parent->d_subdirs.next;
+ while (next != &parent->d_subdirs) {
+- dentry = list_entry(next, struct dentry, d_u.d_child);
++ dentry = list_entry(next, struct dentry, d_child);
+
+ if (dentry->d_fsdata == NULL)
+ ncp_age_dentry(server, dentry);
+@@ -216,7 +216,7 @@ ncp_invalidate_dircache_entries(struct dentry *parent)
+ spin_lock(&parent->d_lock);
+ next = parent->d_subdirs.next;
+ while (next != &parent->d_subdirs) {
+- dentry = list_entry(next, struct dentry, d_u.d_child);
++ dentry = list_entry(next, struct dentry, d_child);
+ dentry->d_fsdata = NULL;
+ ncp_age_dentry(server, dentry);
+ next = next->next;
+diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
+index 44efaa8c5f78..0fe3ced6438c 100644
+--- a/fs/nfs/getroot.c
++++ b/fs/nfs/getroot.c
+@@ -58,7 +58,7 @@ static int nfs_superblock_set_dummy_root(struct super_block *sb, struct inode *i
+ */
+ spin_lock(&sb->s_root->d_inode->i_lock);
+ spin_lock(&sb->s_root->d_lock);
+- hlist_del_init(&sb->s_root->d_alias);
++ hlist_del_init(&sb->s_root->d_u.d_alias);
+ spin_unlock(&sb->s_root->d_lock);
+ spin_unlock(&sb->s_root->d_inode->i_lock);
+ }
+diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
+index 4bb21d67d9b1..a3153e2d0f1f 100644
+--- a/fs/notify/fsnotify.c
++++ b/fs/notify/fsnotify.c
+@@ -63,14 +63,14 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode)
+ spin_lock(&inode->i_lock);
+ /* run all of the dentries associated with this inode. Since this is a
+ * directory, there damn well better only be one item on this list */
+- hlist_for_each_entry(alias, &inode->i_dentry, d_alias) {
++ hlist_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
+ struct dentry *child;
+
+ /* run all of the children of the original inode and fix their
+ * d_flags to indicate parental interest (their parent is the
+ * original inode) */
+ spin_lock(&alias->d_lock);
+- list_for_each_entry(child, &alias->d_subdirs, d_u.d_child) {
++ list_for_each_entry(child, &alias->d_subdirs, d_child) {
+ if (!child->d_inode)
+ continue;
+
+diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
+index ef999729e274..ce37013b4a59 100644
+--- a/fs/ocfs2/dcache.c
++++ b/fs/ocfs2/dcache.c
+@@ -172,7 +172,7 @@ struct dentry *ocfs2_find_local_alias(struct inode *inode,
+ struct dentry *dentry;
+
+ spin_lock(&inode->i_lock);
+- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
++ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
+ spin_lock(&dentry->d_lock);
+ if (ocfs2_match_dentry(dentry, parent_blkno, skip_unhashed)) {
+ trace_ocfs2_find_local_alias(dentry->d_name.len,
+diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
+index 8cd6474e248f..d0e8c0b1767f 100644
+--- a/fs/ocfs2/file.c
++++ b/fs/ocfs2/file.c
+@@ -2459,12 +2459,14 @@ static ssize_t ocfs2_file_splice_write(struct pipe_inode_info *pipe,
+ struct address_space *mapping = out->f_mapping;
+ struct inode *inode = mapping->host;
+ struct splice_desc sd = {
+- .total_len = len,
+ .flags = flags,
+- .pos = *ppos,
+ .u.file = out,
+ };
+-
++ ret = generic_write_checks(out, ppos, &len, 0);
++ if(ret)
++ return ret;
++ sd.total_len = len;
++ sd.pos = *ppos;
+
+ trace_ocfs2_file_splice_write(inode, out, out->f_path.dentry,
+ (unsigned long long)OCFS2_I(inode)->ip_blkno,
+diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
+index 157e474ab303..635a1425d370 100644
+--- a/fs/reiserfs/reiserfs.h
++++ b/fs/reiserfs/reiserfs.h
+@@ -1954,8 +1954,6 @@ struct treepath var = {.path_length = ILLEGAL_PATH_ELEMENT_OFFSET, .reada = 0,}
+ #define MAX_US_INT 0xffff
+
+ // reiserfs version 2 has max offset 60 bits. Version 1 - 32 bit offset
+-#define U32_MAX (~(__u32)0)
+-
+ static inline loff_t max_reiserfs_offset(struct inode *inode)
+ {
+ if (get_inode_item_key_version(inode) == KEY_FORMAT_3_5)
+diff --git a/fs/splice.c b/fs/splice.c
+index 4b5a5fac3383..f183f1342c01 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -1012,13 +1012,17 @@ generic_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
+ struct address_space *mapping = out->f_mapping;
+ struct inode *inode = mapping->host;
+ struct splice_desc sd = {
+- .total_len = len,
+ .flags = flags,
+- .pos = *ppos,
+ .u.file = out,
+ };
+ ssize_t ret;
+
++ ret = generic_write_checks(out, ppos, &len, S_ISBLK(inode->i_mode));
++ if (ret)
++ return ret;
++ sd.total_len = len;
++ sd.pos = *ppos;
++
+ pipe_lock(pipe);
+
+ splice_from_pipe_begin(&sd);
+diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
+index 17bccd3a4b03..dd6d9b89d338 100644
+--- a/include/asm-generic/pgtable.h
++++ b/include/asm-generic/pgtable.h
+@@ -550,11 +550,10 @@ static inline int pmd_none_or_trans_huge_or_clear_bad(pmd_t *pmd)
+ #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ barrier();
+ #endif
+- if (pmd_none(pmdval))
++ if (pmd_none(pmdval) || pmd_trans_huge(pmdval))
+ return 1;
+ if (unlikely(pmd_bad(pmdval))) {
+- if (!pmd_trans_huge(pmdval))
+- pmd_clear_bad(pmd);
++ pmd_clear_bad(pmd);
+ return 1;
+ }
+ return 0;
+diff --git a/include/linux/ceph/decode.h b/include/linux/ceph/decode.h
+index 0442c3d800f0..a6ef9cc267ec 100644
+--- a/include/linux/ceph/decode.h
++++ b/include/linux/ceph/decode.h
+@@ -8,23 +8,6 @@
+
+ #include <linux/ceph/types.h>
+
+-/* This seemed to be the easiest place to define these */
+-
+-#define U8_MAX ((u8)(~0U))
+-#define U16_MAX ((u16)(~0U))
+-#define U32_MAX ((u32)(~0U))
+-#define U64_MAX ((u64)(~0ULL))
+-
+-#define S8_MAX ((s8)(U8_MAX >> 1))
+-#define S16_MAX ((s16)(U16_MAX >> 1))
+-#define S32_MAX ((s32)(U32_MAX >> 1))
+-#define S64_MAX ((s64)(U64_MAX >> 1LL))
+-
+-#define S8_MIN ((s8)(-S8_MAX - 1))
+-#define S16_MIN ((s16)(-S16_MAX - 1))
+-#define S32_MIN ((s32)(-S32_MAX - 1))
+-#define S64_MIN ((s64)(-S64_MAX - 1LL))
+-
+ /*
+ * in all cases,
+ * void **p pointer to position pointer
+diff --git a/include/linux/dcache.h b/include/linux/dcache.h
+index 9be5ac960fd8..c1999d1fe6f8 100644
+--- a/include/linux/dcache.h
++++ b/include/linux/dcache.h
+@@ -120,15 +120,15 @@ struct dentry {
+ void *d_fsdata; /* fs-specific data */
+
+ struct list_head d_lru; /* LRU list */
++ struct list_head d_child; /* child of parent list */
++ struct list_head d_subdirs; /* our children */
+ /*
+- * d_child and d_rcu can share memory
++ * d_alias and d_rcu can share memory
+ */
+ union {
+- struct list_head d_child; /* child of parent list */
++ struct hlist_node d_alias; /* inode alias list */
+ struct rcu_head d_rcu;
+ } d_u;
+- struct list_head d_subdirs; /* our children */
+- struct hlist_node d_alias; /* inode alias list */
+ };
+
+ /*
+diff --git a/include/linux/mm.h b/include/linux/mm.h
+index c4085192c2b6..53b0d70120a1 100644
+--- a/include/linux/mm.h
++++ b/include/linux/mm.h
+@@ -891,6 +891,7 @@ static inline int page_mapped(struct page *page)
+ #define VM_FAULT_WRITE 0x0008 /* Special case for get_user_pages */
+ #define VM_FAULT_HWPOISON 0x0010 /* Hit poisoned small page */
+ #define VM_FAULT_HWPOISON_LARGE 0x0020 /* Hit poisoned large page. Index encoded in upper bits */
++#define VM_FAULT_SIGSEGV 0x0040
+
+ #define VM_FAULT_NOPAGE 0x0100 /* ->fault installed the pte, not return page */
+ #define VM_FAULT_LOCKED 0x0200 /* ->fault locked the returned page */
+@@ -898,8 +899,8 @@ static inline int page_mapped(struct page *page)
+
+ #define VM_FAULT_HWPOISON_LARGE_MASK 0xf000 /* encodes hpage index for large hwpoison */
+
+-#define VM_FAULT_ERROR (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | \
+- VM_FAULT_HWPOISON_LARGE)
++#define VM_FAULT_ERROR (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | \
++ VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)
+
+ /* Encode hstate index for a hwpoisoned large page */
+ #define VM_FAULT_SET_HINDEX(x) ((x) << 12)
+diff --git a/kernel/cgroup.c b/kernel/cgroup.c
+index d0def7fc2848..ef130605ac43 100644
+--- a/kernel/cgroup.c
++++ b/kernel/cgroup.c
+@@ -984,7 +984,7 @@ static void cgroup_d_remove_dir(struct dentry *dentry)
+ parent = dentry->d_parent;
+ spin_lock(&parent->d_lock);
+ spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
+- list_del_init(&dentry->d_u.d_child);
++ list_del_init(&dentry->d_child);
+ spin_unlock(&dentry->d_lock);
+ spin_unlock(&parent->d_lock);
+ remove_dir(dentry);
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
+index 8d7e8098e768..640e4c44b170 100644
+--- a/kernel/trace/trace.c
++++ b/kernel/trace/trace.c
+@@ -6063,7 +6063,7 @@ static int instance_mkdir (struct inode *inode, struct dentry *dentry, umode_t m
+ int ret;
+
+ /* Paranoid: Make sure the parent is the "instances" directory */
+- parent = hlist_entry(inode->i_dentry.first, struct dentry, d_alias);
++ parent = hlist_entry(inode->i_dentry.first, struct dentry, d_u.d_alias);
+ if (WARN_ON_ONCE(parent != trace_instance_dir))
+ return -ENOENT;
+
+@@ -6090,7 +6090,7 @@ static int instance_rmdir(struct inode *inode, struct dentry *dentry)
+ int ret;
+
+ /* Paranoid: Make sure the parent is the "instances" directory */
+- parent = hlist_entry(inode->i_dentry.first, struct dentry, d_alias);
++ parent = hlist_entry(inode->i_dentry.first, struct dentry, d_u.d_alias);
+ if (WARN_ON_ONCE(parent != trace_instance_dir))
+ return -ENOENT;
+
+diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
+index 001b349af939..5a898f15bfc6 100644
+--- a/kernel/trace/trace_events.c
++++ b/kernel/trace/trace_events.c
+@@ -425,7 +425,7 @@ static void remove_event_file_dir(struct ftrace_event_file *file)
+
+ if (dir) {
+ spin_lock(&dir->d_lock); /* probably unneeded */
+- list_for_each_entry(child, &dir->d_subdirs, d_u.d_child) {
++ list_for_each_entry(child, &dir->d_subdirs, d_child) {
+ if (child->d_inode) /* probably unneeded */
+ child->d_inode->i_private = NULL;
+ }
+diff --git a/mm/ksm.c b/mm/ksm.c
+index 784d1e4bc385..7bf748f30aab 100644
+--- a/mm/ksm.c
++++ b/mm/ksm.c
+@@ -376,7 +376,7 @@ static int break_ksm(struct vm_area_struct *vma, unsigned long addr)
+ else
+ ret = VM_FAULT_WRITE;
+ put_page(page);
+- } while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_OOM)));
++ } while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | VM_FAULT_OOM)));
+ /*
+ * We must loop because handle_mm_fault() may back out if there's
+ * any difficulty e.g. if pte accessed bit gets updated concurrently.
+diff --git a/mm/memory.c b/mm/memory.c
+index 04232bb173f0..e6b1da3a8924 100644
+--- a/mm/memory.c
++++ b/mm/memory.c
+@@ -1844,7 +1844,8 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
+ else
+ return -EFAULT;
+ }
+- if (ret & VM_FAULT_SIGBUS)
++ if (ret & (VM_FAULT_SIGBUS |
++ VM_FAULT_SIGSEGV))
+ return i ? i : -EFAULT;
+ BUG();
+ }
+@@ -1954,7 +1955,7 @@ int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
+ return -ENOMEM;
+ if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))
+ return -EHWPOISON;
+- if (ret & VM_FAULT_SIGBUS)
++ if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV))
+ return -EFAULT;
+ BUG();
+ }
+@@ -3231,7 +3232,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
+
+ /* Check if we need to add a guard page to the stack */
+ if (check_stack_guard_page(vma, address) < 0)
+- return VM_FAULT_SIGBUS;
++ return VM_FAULT_SIGSEGV;
+
+ /* Use the zero-page for reads */
+ if (!(flags & FAULT_FLAG_WRITE)) {
+diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c
+index 834857f3c871..86183c4e4fd5 100644
+--- a/net/ipv4/tcp_illinois.c
++++ b/net/ipv4/tcp_illinois.c
+@@ -23,7 +23,6 @@
+ #define ALPHA_MIN ((3*ALPHA_SCALE)/10) /* ~0.3 */
+ #define ALPHA_MAX (10*ALPHA_SCALE) /* 10.0 */
+ #define ALPHA_BASE ALPHA_SCALE /* 1.0 */
+-#define U32_MAX ((u32)~0U)
+ #define RTT_MAX (U32_MAX / ALPHA_MAX) /* 3.3 secs */
+
+ #define BETA_SHIFT 6
+diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
+index ea7f52f3062d..a8be45e4d34f 100644
+--- a/net/ipv4/tcp_input.c
++++ b/net/ipv4/tcp_input.c
+@@ -3076,10 +3076,11 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets,
+ if (seq_rtt < 0) {
+ seq_rtt = ca_seq_rtt;
+ }
+- if (!(sacked & TCPCB_SACKED_ACKED))
++ if (!(sacked & TCPCB_SACKED_ACKED)) {
+ reord = min(pkts_acked, reord);
+- if (!after(scb->end_seq, tp->high_seq))
+- flag |= FLAG_ORIG_SACK_ACKED;
++ if (!after(scb->end_seq, tp->high_seq))
++ flag |= FLAG_ORIG_SACK_ACKED;
++ }
+ }
+
+ if (sacked & TCPCB_SACKED_ACKED)
+diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
+index cce35e5a7ee6..7c3eec386a4b 100644
+--- a/net/ipv4/tcp_ipv4.c
++++ b/net/ipv4/tcp_ipv4.c
+@@ -1901,7 +1901,7 @@ void tcp_v4_early_demux(struct sk_buff *skb)
+ skb->sk = sk;
+ skb->destructor = sock_edemux;
+ if (sk->sk_state != TCP_TIME_WAIT) {
+- struct dst_entry *dst = sk->sk_rx_dst;
++ struct dst_entry *dst = ACCESS_ONCE(sk->sk_rx_dst);
+
+ if (dst)
+ dst = dst_check(dst, 0);
+diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
+index 92b5e1f7d3b0..7681a1bbd97f 100644
+--- a/net/ipv4/tcp_output.c
++++ b/net/ipv4/tcp_output.c
+@@ -2772,6 +2772,8 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
+ }
+ #endif
+
++ /* Do not fool tcpdump (if any), clean our debris */
++ skb->tstamp.tv64 = 0;
+ return skb;
+ }
+ EXPORT_SYMBOL(tcp_make_synack);
+diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
+index 060a0449acaa..05f361338c2e 100644
+--- a/net/ipv6/ndisc.c
++++ b/net/ipv6/ndisc.c
+@@ -1193,7 +1193,14 @@ static void ndisc_router_discovery(struct sk_buff *skb)
+ if (rt)
+ rt6_set_expires(rt, jiffies + (HZ * lifetime));
+ if (ra_msg->icmph.icmp6_hop_limit) {
+- in6_dev->cnf.hop_limit = ra_msg->icmph.icmp6_hop_limit;
++ /* Only set hop_limit on the interface if it is higher than
++ * the current hop_limit.
++ */
++ if (in6_dev->cnf.hop_limit < ra_msg->icmph.icmp6_hop_limit) {
++ in6_dev->cnf.hop_limit = ra_msg->icmph.icmp6_hop_limit;
++ } else {
++ ND_PRINTK(2, warn, "RA: Got route advertisement with lower hop_limit than current\n");
++ }
+ if (rt)
+ dst_metric_set(&rt->dst, RTAX_HOPLIMIT,
+ ra_msg->icmph.icmp6_hop_limit);
+diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
+index 1a87659a6139..4659b8ab55d9 100644
+--- a/net/ipv6/tcp_ipv6.c
++++ b/net/ipv6/tcp_ipv6.c
+@@ -1616,7 +1616,7 @@ static void tcp_v6_early_demux(struct sk_buff *skb)
+ skb->sk = sk;
+ skb->destructor = sock_edemux;
+ if (sk->sk_state != TCP_TIME_WAIT) {
+- struct dst_entry *dst = sk->sk_rx_dst;
++ struct dst_entry *dst = ACCESS_ONCE(sk->sk_rx_dst);
+
+ if (dst)
+ dst = dst_check(dst, inet6_sk(sk)->rx_dst_cookie);
+diff --git a/net/netfilter/nf_conntrack_proto_generic.c b/net/netfilter/nf_conntrack_proto_generic.c
+index d25f29377648..957c1db66652 100644
+--- a/net/netfilter/nf_conntrack_proto_generic.c
++++ b/net/netfilter/nf_conntrack_proto_generic.c
+@@ -14,6 +14,30 @@
+
+ static unsigned int nf_ct_generic_timeout __read_mostly = 600*HZ;
+
++static bool nf_generic_should_process(u8 proto)
++{
++ switch (proto) {
++#ifdef CONFIG_NF_CT_PROTO_SCTP_MODULE
++ case IPPROTO_SCTP:
++ return false;
++#endif
++#ifdef CONFIG_NF_CT_PROTO_DCCP_MODULE
++ case IPPROTO_DCCP:
++ return false;
++#endif
++#ifdef CONFIG_NF_CT_PROTO_GRE_MODULE
++ case IPPROTO_GRE:
++ return false;
++#endif
++#ifdef CONFIG_NF_CT_PROTO_UDPLITE_MODULE
++ case IPPROTO_UDPLITE:
++ return false;
++#endif
++ default:
++ return true;
++ }
++}
++
+ static inline struct nf_generic_net *generic_pernet(struct net *net)
+ {
+ return &net->ct.nf_ct_proto.generic;
+@@ -67,7 +91,7 @@ static int generic_packet(struct nf_conn *ct,
+ static bool generic_new(struct nf_conn *ct, const struct sk_buff *skb,
+ unsigned int dataoff, unsigned int *timeouts)
+ {
+- return true;
++ return nf_generic_should_process(nf_ct_protonum(ct));
+ }
+
+ #if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
+diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
+index fd3f0180e08f..6af1c42a9cf3 100644
+--- a/scripts/kconfig/menu.c
++++ b/scripts/kconfig/menu.c
+@@ -525,7 +525,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
+ {
+ int i, j;
+ struct menu *submenu[8], *menu, *location = NULL;
+- struct jump_key *jump;
++ struct jump_key *jump = NULL;
+
+ str_printf(r, _("Prompt: %s\n"), _(prop->text));
+ menu = prop->menu->parent;
+@@ -563,7 +563,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
+ str_printf(r, _(" Location:\n"));
+ for (j = 4; --i >= 0; j += 2) {
+ menu = submenu[i];
+- if (head && location && menu == location)
++ if (jump && menu == location)
+ jump->offset = r->len - 1;
+ str_printf(r, "%*c-> %s", j, ' ',
+ _(menu_get_prompt(menu)));
+diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
+index 464be51025f6..a96bed4db3e8 100644
+--- a/security/selinux/selinuxfs.c
++++ b/security/selinux/selinuxfs.c
+@@ -1190,7 +1190,7 @@ static void sel_remove_entries(struct dentry *de)
+ spin_lock(&de->d_lock);
+ node = de->d_subdirs.next;
+ while (node != &de->d_subdirs) {
+- struct dentry *d = list_entry(node, struct dentry, d_u.d_child);
++ struct dentry *d = list_entry(node, struct dentry, d_child);
+
+ spin_lock_nested(&d->d_lock, DENTRY_D_LOCK_NESTED);
+ list_del_init(node);
+@@ -1664,12 +1664,12 @@ static void sel_remove_classes(void)
+
+ list_for_each(class_node, &class_dir->d_subdirs) {
+ struct dentry *class_subdir = list_entry(class_node,
+- struct dentry, d_u.d_child);
++ struct dentry, d_child);
+ struct list_head *class_subdir_node;
+
+ list_for_each(class_subdir_node, &class_subdir->d_subdirs) {
+ struct dentry *d = list_entry(class_subdir_node,
+- struct dentry, d_u.d_child);
++ struct dentry, d_child);
+
+ if (d->d_inode)
+ if (d->d_inode->i_mode & S_IFDIR)
diff --git a/1076_linux-3.10.77.patch b/1076_linux-3.10.77.patch
new file mode 100644
index 00000000..c09c0a97
--- /dev/null
+++ b/1076_linux-3.10.77.patch
@@ -0,0 +1,1848 @@
+diff --git a/Makefile b/Makefile
+index 019a6a4b386d..923ad8a64e3b 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 10
+-SUBLEVEL = 76
++SUBLEVEL = 77
+ EXTRAVERSION =
+ NAME = TOSSUG Baby Fish
+
+diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
+index 56211f2084ef..ce6e30628cc1 100644
+--- a/arch/arm/include/asm/elf.h
++++ b/arch/arm/include/asm/elf.h
+@@ -116,7 +116,7 @@ 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/mach-s3c64xx/crag6410.h b/arch/arm/mach-s3c64xx/crag6410.h
+index 4c3c9994fc2c..81dc722ced57 100644
+--- a/arch/arm/mach-s3c64xx/crag6410.h
++++ b/arch/arm/mach-s3c64xx/crag6410.h
+@@ -14,6 +14,7 @@
+ #include <linux/gpio.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 8ad88ace795a..5fa9ac9104e1 100644
+--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
++++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
+@@ -558,6 +558,7 @@ 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/include/asm/timex.h b/arch/arm64/include/asm/timex.h
+index b24a31a7e2c9..81a076eb37fa 100644
+--- a/arch/arm64/include/asm/timex.h
++++ b/arch/arm64/include/asm/timex.h
+@@ -16,14 +16,14 @@
+ #ifndef __ASM_TIMEX_H
+ #define __ASM_TIMEX_H
+
++#include <asm/arch_timer.h>
++
+ /*
+ * Use the current timer as a cycle counter since this is what we use for
+ * the delay loop.
+ */
+-#define get_cycles() ({ cycles_t c; read_current_timer(&c); c; })
++#define get_cycles() arch_counter_get_cntvct()
+
+ #include <asm-generic/timex.h>
+
+-#define ARCH_HAS_READ_CURRENT_TIMER
+-
+ #endif
+diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c
+index a551f88ae2c1..03dc3718eb13 100644
+--- a/arch/arm64/kernel/time.c
++++ b/arch/arm64/kernel/time.c
+@@ -68,12 +68,6 @@ unsigned long long notrace sched_clock(void)
+ return arch_timer_read_counter() * sched_clock_mult;
+ }
+
+-int read_current_timer(unsigned long *timer_value)
+-{
+- *timer_value = arch_timer_read_counter();
+- return 0;
+-}
+-
+ void __init time_init(void)
+ {
+ u32 arch_timer_rate;
+diff --git a/arch/c6x/kernel/time.c b/arch/c6x/kernel/time.c
+index 356ee84cad95..04845aaf5985 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/suspend.h b/arch/mips/include/asm/suspend.h
+deleted file mode 100644
+index 3adac3b53d19..000000000000
+--- a/arch/mips/include/asm/suspend.h
++++ /dev/null
+@@ -1,7 +0,0 @@
+-#ifndef __ASM_SUSPEND_H
+-#define __ASM_SUSPEND_H
+-
+-/* References to section boundaries */
+-extern const void __nosave_begin, __nosave_end;
+-
+-#endif /* __ASM_SUSPEND_H */
+diff --git a/arch/mips/power/cpu.c b/arch/mips/power/cpu.c
+index 521e5963df05..2129e67723ff 100644
+--- a/arch/mips/power/cpu.c
++++ b/arch/mips/power/cpu.c
+@@ -7,7 +7,7 @@
+ * Author: Hu Hongbing <huhb@lemote.com>
+ * Wu Zhangjin <wuzhangjin@gmail.com>
+ */
+-#include <asm/suspend.h>
++#include <asm/sections.h>
+ #include <asm/fpu.h>
+ #include <asm/dsp.h>
+
+diff --git a/arch/mips/power/hibernate.S b/arch/mips/power/hibernate.S
+index 32a7c828f073..e7567c8a9e79 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/suspend.c b/arch/powerpc/kernel/suspend.c
+index 0167d53da30c..a531154cc0f3 100644
+--- a/arch/powerpc/kernel/suspend.c
++++ b/arch/powerpc/kernel/suspend.c
+@@ -9,9 +9,7 @@
+
+ #include <linux/mm.h>
+ #include <asm/page.h>
+-
+-/* References to section boundaries */
+-extern const void __nosave_begin, __nosave_end;
++#include <asm/sections.h>
+
+ /*
+ * pfn_is_nosave - check if given pfn is in the 'nosave' section
+diff --git a/arch/powerpc/perf/callchain.c b/arch/powerpc/perf/callchain.c
+index 2396dda282cd..ead55351b254 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/s390/kernel/suspend.c b/arch/s390/kernel/suspend.c
+index c479d2f9605b..58cbb75e89e9 100644
+--- a/arch/s390/kernel/suspend.c
++++ b/arch/s390/kernel/suspend.c
+@@ -9,12 +9,9 @@
+ #include <linux/pfn.h>
+ #include <linux/suspend.h>
+ #include <linux/mm.h>
++#include <asm/sections.h>
+ #include <asm/ctl_reg.h>
+-
+-/*
+- * References to section boundaries
+- */
+-extern const void __nosave_begin, __nosave_end;
++#include <asm/ipl.h>
+
+ /*
+ * The restore of the saved pages in an hibernation image will set
+@@ -138,6 +135,8 @@ 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 +144,8 @@ 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/priv.c b/arch/s390/kvm/priv.c
+index 6bbd7b5a0bbe..0220c2ba7590 100644
+--- a/arch/s390/kvm/priv.c
++++ b/arch/s390/kvm/priv.c
+@@ -328,6 +328,7 @@ 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/sh/include/asm/sections.h b/arch/sh/include/asm/sections.h
+index 1b6199740e98..7a99e6af6372 100644
+--- a/arch/sh/include/asm/sections.h
++++ b/arch/sh/include/asm/sections.h
+@@ -3,7 +3,6 @@
+
+ #include <asm-generic/sections.h>
+
+-extern long __nosave_begin, __nosave_end;
+ extern long __machvec_start, __machvec_end;
+ extern char __uncached_start, __uncached_end;
+ extern char __start_eh_frame[], __stop_eh_frame[];
+diff --git a/arch/sparc/power/hibernate.c b/arch/sparc/power/hibernate.c
+index 42b0b8ce699a..17bd2e167e07 100644
+--- a/arch/sparc/power/hibernate.c
++++ b/arch/sparc/power/hibernate.c
+@@ -9,11 +9,9 @@
+ #include <asm/hibernate.h>
+ #include <asm/visasm.h>
+ #include <asm/page.h>
++#include <asm/sections.h>
+ #include <asm/tlb.h>
+
+-/* References to section boundaries */
+-extern const void __nosave_begin, __nosave_end;
+-
+ struct saved_context saved_context;
+
+ /*
+diff --git a/arch/unicore32/include/mach/pm.h b/arch/unicore32/include/mach/pm.h
+index 4dcd34ae194c..77b522694e74 100644
+--- a/arch/unicore32/include/mach/pm.h
++++ b/arch/unicore32/include/mach/pm.h
+@@ -36,8 +36,5 @@ extern int puv3_pm_enter(suspend_state_t state);
+ /* Defined in hibernate_asm.S */
+ extern int restore_image(pgd_t *resume_pg_dir, struct pbe *restore_pblist);
+
+-/* References to section boundaries */
+-extern const void __nosave_begin, __nosave_end;
+-
+ extern struct pbe *restore_pblist;
+ #endif
+diff --git a/arch/unicore32/kernel/hibernate.c b/arch/unicore32/kernel/hibernate.c
+index d75ef8b6cb56..9969ec374abb 100644
+--- a/arch/unicore32/kernel/hibernate.c
++++ b/arch/unicore32/kernel/hibernate.c
+@@ -18,6 +18,7 @@
+ #include <asm/page.h>
+ #include <asm/pgtable.h>
+ #include <asm/pgalloc.h>
++#include <asm/sections.h>
+ #include <asm/suspend.h>
+
+ #include "mach/pm.h"
+diff --git a/arch/x86/power/hibernate_32.c b/arch/x86/power/hibernate_32.c
+index 7d28c885d238..291226b952a9 100644
+--- a/arch/x86/power/hibernate_32.c
++++ b/arch/x86/power/hibernate_32.c
+@@ -13,13 +13,11 @@
+ #include <asm/page.h>
+ #include <asm/pgtable.h>
+ #include <asm/mmzone.h>
++#include <asm/sections.h>
+
+ /* Defined in hibernate_asm_32.S */
+ extern int restore_image(void);
+
+-/* References to section boundaries */
+-extern const void __nosave_begin, __nosave_end;
+-
+ /* Pointer to the temporary resume page tables */
+ pgd_t *resume_pg_dir;
+
+diff --git a/arch/x86/power/hibernate_64.c b/arch/x86/power/hibernate_64.c
+index a0fde91c16cf..8ecaed127634 100644
+--- a/arch/x86/power/hibernate_64.c
++++ b/arch/x86/power/hibernate_64.c
+@@ -17,11 +17,9 @@
+ #include <asm/page.h>
+ #include <asm/pgtable.h>
+ #include <asm/mtrr.h>
++#include <asm/sections.h>
+ #include <asm/suspend.h>
+
+-/* References to section boundaries */
+-extern const void __nosave_begin, __nosave_end;
+-
+ /* Defined in hibernate_asm_64.S */
+ extern int restore_image(void);
+
+diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
+index 0a1b95f81a32..2b086a6ae6c7 100644
+--- a/arch/xtensa/Kconfig
++++ b/arch/xtensa/Kconfig
+@@ -287,6 +287,36 @@ menu "Executable file formats"
+
+ source "fs/Kconfig.binfmt"
+
++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
+
+ source "net/Kconfig"
+diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h
+index 513effd48060..d07c1886bc8f 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/xtfpga/Makefile b/arch/xtensa/platforms/xtfpga/Makefile
+index b9ae206340cd..7839d38b2337 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 4416773cbde5..b39fbcf5c611 100644
+--- a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h
++++ b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h
+@@ -44,9 +44,6 @@
+
+ /* 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 0e435645af5a..4c8541ed1139 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 2872301598df..4dc0c1b43f4b 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/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
+index 7695b5dd9d2d..35287ab445cd 100644
+--- a/drivers/gpu/drm/i915/i915_reg.h
++++ b/drivers/gpu/drm/i915/i915_reg.h
+@@ -909,6 +909,7 @@
+ #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 639fe192997c..4a21e13cc58c 100644
+--- a/drivers/gpu/drm/i915/intel_i2c.c
++++ b/drivers/gpu/drm/i915/intel_i2c.c
+@@ -276,18 +276,17 @@ 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;
+@@ -309,11 +308,35 @@ 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;
+@@ -325,8 +348,8 @@ 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;
+@@ -343,6 +366,29 @@ 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 971dd8795b68..8ac333094991 100644
+--- a/drivers/gpu/drm/radeon/atombios_crtc.c
++++ b/drivers/gpu/drm/radeon/atombios_crtc.c
+@@ -312,8 +312,10 @@ 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;
+@@ -356,8 +358,10 @@ 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/hv/channel.c b/drivers/hv/channel.c
+index 92f34de7aee9..05e6a7d13d4e 100644
+--- a/drivers/hv/channel.c
++++ b/drivers/hv/channel.c
+@@ -169,7 +169,7 @@ 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);
+@@ -185,7 +185,7 @@ 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)
+@@ -226,6 +226,9 @@ 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/i2c-core.c b/drivers/i2c/i2c-core.c
+index 48e31ed69dbf..9d539cbfc833 100644
+--- a/drivers/i2c/i2c-core.c
++++ b/drivers/i2c/i2c-core.c
+@@ -206,6 +206,7 @@ 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)
+ {
+@@ -220,6 +221,7 @@ 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)
+ {
+@@ -229,6 +231,7 @@ 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)
+ {
+diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
+index 055ebebc07dd..c1fef27010d4 100644
+--- a/drivers/infiniband/core/umem.c
++++ b/drivers/infiniband/core/umem.c
+@@ -94,12 +94,15 @@ 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 4f10af2905b5..262a18437ceb 100644
+--- a/drivers/infiniband/hw/mlx4/qp.c
++++ b/drivers/infiniband/hw/mlx4/qp.c
+@@ -2174,8 +2174,7 @@ 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/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
+index 85e75239c814..1af7df263368 100644
+--- a/drivers/input/mouse/elantech.c
++++ b/drivers/input/mouse/elantech.c
+@@ -784,6 +784,21 @@ 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)
+@@ -985,6 +1000,8 @@ 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
+@@ -1452,6 +1469,11 @@ 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 c1c15ab6872d..13a12ccbff51 100644
+--- a/drivers/input/mouse/elantech.h
++++ b/drivers/input/mouse/elantech.h
+@@ -138,6 +138,7 @@ 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/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
+index a59153d2f8bf..518a5299ff0b 100644
+--- a/drivers/media/usb/stk1160/stk1160-v4l.c
++++ b/drivers/media/usb/stk1160/stk1160-v4l.c
+@@ -245,6 +245,11 @@ 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);
+
+ /*
+@@ -665,8 +670,16 @@ 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 f4176ca3a794..cdd61ab5c2b5 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/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
+index c071d410488f..79d69bd26dd2 100644
+--- a/drivers/mtd/ubi/attach.c
++++ b/drivers/mtd/ubi/attach.c
+@@ -408,7 +408,7 @@ 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 4f02848bb2bc..fc764e7976bd 100644
+--- a/drivers/mtd/ubi/cdev.c
++++ b/drivers/mtd/ubi/cdev.c
+@@ -475,7 +475,7 @@ 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 0e11671dadc4..930cf2c77abb 100644
+--- a/drivers/mtd/ubi/eba.c
++++ b/drivers/mtd/ubi/eba.c
+@@ -1362,7 +1362,8 @@ 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 49e570abe58b..c08254016fe8 100644
+--- a/drivers/mtd/ubi/wl.c
++++ b/drivers/mtd/ubi/wl.c
+@@ -999,7 +999,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
+ int cancel)
+ {
+ 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/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
+index 59ad007dd5aa..a978fc82ceb5 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);
+@@ -3555,8 +3560,11 @@ 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/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+index e7a2af3ad05a..7555095e0b74 100644
+--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
++++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+@@ -313,6 +313,7 @@ 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*/
+@@ -369,6 +370,7 @@ 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 7f1669cdea09..779dc2b2ca75 100644
+--- a/drivers/net/wireless/ti/wl18xx/debugfs.c
++++ b/drivers/net/wireless/ti/wl18xx/debugfs.c
+@@ -136,7 +136,7 @@ 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 f7381dd69009..1bce4325e86b 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/parport/Kconfig b/drivers/parport/Kconfig
+index a50576081b34..46d2de24bf3e 100644
+--- a/drivers/parport/Kconfig
++++ b/drivers/parport/Kconfig
+@@ -36,7 +36,9 @@ if PARPORT
+ config PARPORT_PC
+ tristate "PC-style hardware"
+ depends on (!SPARC64 || PCI) && !SPARC32 && !M32R && !FRV && !S390 && \
+- (!M68K || ISA) && !MN10300 && !AVR32 && !BLACKFIN && !XTENSA
++ (!M68K || ISA) && !MN10300 && !AVR32 && !BLACKFIN && \
++ !XTENSA && !CRIS && !H8300 && !ARM64
++
+ ---help---
+ You should say Y here if you have a PC-style parallel port. All
+ IBM PC compatible computers and some Alphas have PC-style
+diff --git a/drivers/power/lp8788-charger.c b/drivers/power/lp8788-charger.c
+index ed49b50b220b..72da2a6c22db 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/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
+index c9e244984e30..fa50c7dc3d3e 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/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
+index a8990783ba66..913b91c78a22 100644
+--- a/drivers/scsi/storvsc_drv.c
++++ b/drivers/scsi/storvsc_drv.c
+@@ -631,21 +631,22 @@ 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/spidev.c b/drivers/spi/spidev.c
+index 911e9e0711d2..a08f923b9925 100644
+--- a/drivers/spi/spidev.c
++++ b/drivers/spi/spidev.c
+@@ -243,7 +243,10 @@ 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/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
+index 6463ca3bcfba..07133d0c971b 100644
+--- a/drivers/usb/class/cdc-wdm.c
++++ b/drivers/usb/class/cdc-wdm.c
+@@ -244,7 +244,7 @@ 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:
+@@ -257,7 +257,9 @@ 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;
+ }
+
+@@ -403,7 +405,7 @@ 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;
+@@ -417,7 +419,7 @@ 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);
+@@ -780,7 +782,7 @@ 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 c9f56ffdba9a..11a073cda1d6 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -3282,10 +3282,10 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg)
+ dev_dbg(hub->intfdev, "can't resume port %d, status %d\n",
+ port1, 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/gadget/composite.c b/drivers/usb/gadget/composite.c
+index 44a292b75012..a660716f9331 100644
+--- a/drivers/usb/gadget/composite.c
++++ b/drivers/usb/gadget/composite.c
+@@ -528,7 +528,7 @@ static int bos_desc(struct usb_composite_dev *cdev)
+ usb_ext->bLength = USB_DT_USB_EXT_CAP_SIZE;
+ usb_ext->bDescriptorType = USB_DT_DEVICE_CAPABILITY;
+ usb_ext->bDevCapabilityType = USB_CAP_TYPE_EXT;
+- usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT);
++ usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | USB_BESL_SUPPORT);
+
+ /*
+ * The Superspeed USB Capability descriptor shall be implemented by all
+diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
+index b64e661618bb..baf2807934c1 100644
+--- a/drivers/usb/host/isp116x-hcd.c
++++ b/drivers/usb/host/isp116x-hcd.c
+@@ -1488,7 +1488,7 @@ 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/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
+index a6fd8f5371df..6656dfda5665 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 b2ec7fe758dd..b4cad9346035 100644
+--- a/drivers/usb/host/sl811-hcd.c
++++ b/drivers/usb/host/sl811-hcd.c
+@@ -1251,7 +1251,7 @@ 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/xhci-ring.c b/drivers/usb/host/xhci-ring.c
+index 9948890ef93e..bc7a886e3c36 100644
+--- a/drivers/usb/host/xhci-ring.c
++++ b/drivers/usb/host/xhci-ring.c
+@@ -1697,7 +1697,7 @@ 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/phy/phy.c b/drivers/usb/phy/phy.c
+index a9984c700d2c..5f79d8e2caab 100644
+--- a/drivers/usb/phy/phy.c
++++ b/drivers/usb/phy/phy.c
+@@ -78,7 +78,9 @@ 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/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
+index bc922c47d046..37e62c7b3273 100644
+--- a/drivers/video/console/Kconfig
++++ b/drivers/video/console/Kconfig
+@@ -6,7 +6,10 @@ menu "Console display driver support"
+
+ config VGA_CONSOLE
+ bool "VGA text console" if EXPERT || !X86
+- depends on !4xx && !8xx && !SPARC && !M68K && !PARISC && !FRV && !SUPERH && !BLACKFIN && !AVR32 && !MN10300 && (!ARM || ARCH_FOOTBRIDGE || ARCH_INTEGRATOR || ARCH_NETWINDER)
++ depends on !4xx && !8xx && !SPARC && !M68K && !PARISC && !FRV && \
++ !SUPERH && !BLACKFIN && !AVR32 && !MN10300 && !CRIS && \
++ (!ARM || ARCH_FOOTBRIDGE || ARCH_INTEGRATOR || ARCH_NETWINDER) && \
++ !ARM64
+ default y
+ help
+ Saying Y here will allow you to use Linux in text mode through a
+diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
+index 3c4d8797ea9a..53f620a4350e 100644
+--- a/fs/binfmt_elf.c
++++ b/fs/binfmt_elf.c
+@@ -756,6 +756,7 @@ 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;
+@@ -820,10 +821,16 @@ 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)) {
+ send_sig(SIGKILL, current, 0);
+ retval = IS_ERR((void *)error) ?
+diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
+index f99c71e40f8b..07f167a1d271 100644
+--- a/fs/btrfs/extent-tree.c
++++ b/fs/btrfs/extent-tree.c
+@@ -6363,12 +6363,11 @@ 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);
+ }
+diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
+index 783906c687b5..dbefa6c609f4 100644
+--- a/fs/btrfs/ioctl.c
++++ b/fs/btrfs/ioctl.c
+@@ -2572,6 +2572,11 @@ 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/ext4/namei.c b/fs/ext4/namei.c
+index f1312173fa90..facf8590b714 100644
+--- a/fs/ext4/namei.c
++++ b/fs/ext4/namei.c
+@@ -1880,7 +1880,7 @@ 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;
+@@ -1905,14 +1905,14 @@ 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);
+@@ -1924,14 +1924,15 @@ 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);
+@@ -1947,6 +1948,7 @@ 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/namei.c b/fs/namei.c
+index f7c4393f8535..036c21246d6a 100644
+--- a/fs/namei.c
++++ b/fs/namei.c
+@@ -1542,7 +1542,8 @@ static inline int walk_component(struct nameidata *nd, struct path *path,
+
+ if (should_follow_link(inode, 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;
+ }
+@@ -2824,7 +2825,8 @@ finish_lookup:
+
+ if (should_follow_link(inode, !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/include/acpi/actypes.h b/include/acpi/actypes.h
+index a64adcc29ae5..f819e813c8ac 100644
+--- a/include/acpi/actypes.h
++++ b/include/acpi/actypes.h
+@@ -198,9 +198,29 @@ typedef int INT32;
+ 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
+
+diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
+index ef04b36ca6ed..f7db107abb04 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/asm-generic/sections.h b/include/asm-generic/sections.h
+index c1a1216e29ce..87b27263f5e2 100644
+--- a/include/asm-generic/sections.h
++++ b/include/asm-generic/sections.h
+@@ -3,6 +3,8 @@
+
+ /* References to section boundaries */
+
++#include <linux/compiler.h>
++
+ extern char _text[], _stext[], _etext[];
+ extern char _data[], _sdata[], _edata[];
+ extern char __bss_start[], __bss_stop[];
+@@ -18,6 +20,8 @@ extern char __start_rodata[], __end_rodata[];
+ /* Start and end of .ctors section - used for constructor calls. */
+ extern char __ctors_start[], __ctors_end[];
+
++extern __visible const void __nosave_begin, __nosave_end;
++
+ /* function descriptor handling (if any). Override
+ * in asm/sections.h */
+ #ifndef dereference_function_descriptor
+diff --git a/include/linux/usb.h b/include/linux/usb.h
+index a0bee5a28d1a..28bd3a898cba 100644
+--- a/include/linux/usb.h
++++ b/include/linux/usb.h
+@@ -206,6 +206,32 @@ 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/kernel/ptrace.c b/kernel/ptrace.c
+index afadcf7b4a22..118323bc8529 100644
+--- a/kernel/ptrace.c
++++ b/kernel/ptrace.c
+@@ -720,6 +720,8 @@ 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;
+
+@@ -747,8 +749,26 @@ 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/softirq.c b/kernel/softirq.c
+index 787b3a032429..21956f00cb51 100644
+--- a/kernel/softirq.c
++++ b/kernel/softirq.c
+@@ -774,9 +774,13 @@ static void run_ksoftirqd(unsigned int cpu)
+ local_irq_disable();
+ if (local_softirq_pending()) {
+ __do_softirq();
+- rcu_note_context_switch(cpu);
+ local_irq_enable();
+ cond_resched();
++
++ preempt_disable();
++ rcu_note_context_switch(cpu);
++ preempt_enable();
++
+ return;
+ }
+ local_irq_enable();
+diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
+index 3d9fee3a80b3..ab21b8c66535 100644
+--- a/kernel/trace/ring_buffer.c
++++ b/kernel/trace/ring_buffer.c
+@@ -2650,7 +2650,7 @@ 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()) {
+@@ -2667,18 +2667,17 @@ 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/lib/string.c b/lib/string.c
+index 43d0781daf47..cb9ea2181557 100644
+--- a/lib/string.c
++++ b/lib/string.c
+@@ -598,7 +598,7 @@ 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/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
+index 31ee5c6033df..479e8a63125a 100644
+--- a/net/ipv4/ip_forward.c
++++ b/net/ipv4/ip_forward.c
+@@ -126,6 +126,9 @@ int ip_forward(struct sk_buff *skb)
+ struct rtable *rt; /* Route we use */
+ struct ip_options *opt = &(IPCB(skb)->opt);
+
++ 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 7681a1bbd97f..76c80b59e80f 100644
+--- a/net/ipv4/tcp_output.c
++++ b/net/ipv4/tcp_output.c
+@@ -2571,39 +2571,65 @@ 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/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c
+index 2ca9f2e93139..53745f4c2bf5 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/tools/power/x86/turbostat/Makefile b/tools/power/x86/turbostat/Makefile
+index d1b3a361e526..4039854560d0 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/kvm_main.c b/virt/kvm/kvm_main.c
+index a17f190be58e..1d4b8bed4e48 100644
+--- a/virt/kvm/kvm_main.c
++++ b/virt/kvm/kvm_main.c
+@@ -1549,8 +1549,8 @@ 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 {
+ /*