diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-26 01:03:35 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-26 01:05:40 +0100 |
| commit | 3596f5bb0a6afd01a784bfe120f420edbbf82861 (patch) | |
| tree | ea90ecfb238c7526c2e012dabe48a455f5eea5d7 /arch | |
| parent | x86/lguest: Use __pa_symbol instead of __pa on C visible symbols (diff) | |
| parent | x86/mm: Don't flush the TLB on #WP pmd fixups (diff) | |
| download | linux-3596f5bb0a6afd01a784bfe120f420edbbf82861.tar.xz linux-3596f5bb0a6afd01a784bfe120f420edbbf82861.zip | |
Merge branch 'x86/mm' of ssh://ra.kernel.org/pub/scm/linux/kernel/git/tip/tip into x86/mm
Add missing patch from the __pa_symbol conversion series by Alexander
Duyck.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/head32.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/head64.c | 2 | ||||
| -rw-r--r-- | arch/x86/mm/pgtable.c | 7 |
3 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c index f15db0c40713..e17554832991 100644 --- a/arch/x86/kernel/head32.c +++ b/arch/x86/kernel/head32.c @@ -31,7 +31,7 @@ static void __init i386_default_early_setup(void) void __init i386_start_kernel(void) { memblock_reserve(__pa_symbol(_text), - (phys_addr_t)__bss_stop - (phys_addr_t)_text); + (unsigned long)__bss_stop - (unsigned long)_text); #ifdef CONFIG_BLK_DEV_INITRD /* Reserve INITRD */ diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 42f5df134341..7b215a50ec1e 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -98,7 +98,7 @@ void __init x86_64_start_reservations(char *real_mode_data) copy_bootdata(__va(real_mode_data)); memblock_reserve(__pa_symbol(_text), - (phys_addr_t)__bss_stop - (phys_addr_t)_text); + (unsigned long)__bss_stop - (unsigned long)_text); #ifdef CONFIG_BLK_DEV_INITRD /* Reserve INITRD */ diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 8573b83a63d0..8a828d773e58 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -328,7 +328,12 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, if (changed && dirty) { *pmdp = entry; pmd_update_defer(vma->vm_mm, address, pmdp); - flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); + /* + * We had a write-protection fault here and changed the pmd + * to to more permissive. No need to flush the TLB for that, + * #PF is architecturally guaranteed to do that and in the + * worst-case we'll generate a spurious fault. + */ } return changed; |