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Commit 7efa1c87 authored by Alex Shi's avatar Alex Shi Committed by H. Peter Anvin
Browse files

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: default avatarTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarAlex Shi <alex.shi@intel.com>
Link: http://lkml.kernel.org/r/1342747103-19765-1-git-send-email-alex.shi@intel.com


Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent effee4b9

arch/x86/include/asm/tlbflush.h

+2 −2
Original line number Diff line number Diff line
@@ -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();

}