Commit-ID: 7efa1c87963d23cc57ba40c07316d3e28cc75a3a Gitweb: http://git.kernel.org/tip/7efa1c87963d23cc57ba40c07316d3e28cc75a3a Author: Alex Shi <[email protected]> AuthorDate: Fri, 20 Jul 2012 09:18:23 +0800 Committer: H. Peter Anvin <[email protected]> CommitDate: Fri, 20 Jul 2012 15:01:48 -0700
x86/tlb: Fix build warning and crash when building for !SMP The incompatible parameter of flush_tlb_mm_range cause build warning. Fix it by correct parameter. Ingo Molnar found that this could also cause a user space crash. Reported-by: Tetsuo Handa <[email protected]> Reported-by: Ingo Molnar <[email protected]> Signed-off-by: Alex Shi <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: H. Peter Anvin <[email protected]> --- arch/x86/include/asm/tlbflush.h | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h index b5a27bd..74a4433 100644 --- a/arch/x86/include/asm/tlbflush.h +++ b/arch/x86/include/asm/tlbflush.h @@ -105,10 +105,10 @@ static inline void flush_tlb_range(struct vm_area_struct *vma, __flush_tlb(); } -static inline void flush_tlb_mm_range(struct vm_area_struct *vma, +static inline void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long vmflag) { - if (vma->vm_mm == current->active_mm) + if (mm == current->active_mm) __flush_tlb(); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
