diff options
Diffstat (limited to 'trunk/2.6.20/40001_i386-fix-xen_l1_entry_update-for-highptes.patch')
| -rw-r--r-- | trunk/2.6.20/40001_i386-fix-xen_l1_entry_update-for-highptes.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/trunk/2.6.20/40001_i386-fix-xen_l1_entry_update-for-highptes.patch b/trunk/2.6.20/40001_i386-fix-xen_l1_entry_update-for-highptes.patch new file mode 100644 index 0000000..15a62eb --- /dev/null +++ b/trunk/2.6.20/40001_i386-fix-xen_l1_entry_update-for-highptes.patch @@ -0,0 +1,26 @@ +# HG changeset patch +# User Keir Fraser <keir@xensource.com> +# Date 1192114936 -3600 +# Node ID e797297402885cc19e0799c7bcaf3e1acb427523 +# Parent 48a6d8bc31b8717c4218fc5e3c5bc9d848703db4 +i386: Fix xen_l1_entry_update() for highptes. +Signed-off-by: Keir Fraser <keir@xensource.com> + +(Tweaked for 2.6.20) + +diff -r 48a6d8bc31b8 -r e79729740288 arch/i386/mm/hypervisor.c +--- a/arch/i386/mm/hypervisor.c Wed Oct 10 11:32:15 2007 +0100 ++++ b/arch/i386/mm/hypervisor.c Thu Oct 11 16:02:16 2007 +0100 +@@ -47,7 +47,12 @@ void xen_l1_entry_update(pte_t *ptr, pte + void xen_l1_entry_update(pte_t *ptr, pte_t val) + { + mmu_update_t u; ++#ifdef CONFIG_HIGHPTE ++ u.ptr = ((unsigned long)ptr >= (unsigned long)high_memory) ? ++ arbitrary_virt_to_machine(ptr) : virt_to_machine(ptr); ++#else + u.ptr = virt_to_machine(ptr); ++#endif + u.val = pte_val_ma(val); + BUG_ON(HYPERVISOR_mmu_update(&u, 1, NULL, DOMID_SELF) < 0); + } |