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x86: uaccess s/might_sleep/might_fault/

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The only reason uaccess routines might sleep
is if they fault. Make this explicit.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1369577426-26721-9-git-send-email-mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Michael S. Tsirkin 2013-05-26 17:31:55 +03:00 committed by Ingo Molnar
parent f8abe86cc4
commit 016be2e55d
1 changed files with 1 additions and 1 deletions
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2
arch/x86/include/asm/uaccess_64.h
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@ -235,7 +235,7 @@ extern long __copy_user_nocache(void *dst, const void __user *src,
static inline int
__copy_from_user_nocache(void *dst, const void __user *src, unsigned size)
{
might_sleep();
might_fault();
return __copy_user_nocache(dst, src, size, 1);
}