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| author | Michael S. Tsirkin <mst@redhat.com> | 2013-05-26 17:31:55 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-05-28 09:41:10 +0200 |
| commit | 016be2e55d98aee0b97b94b200d6e0e110c8392a (patch) | |
| tree | 6d4f2a671bd6ddb967333dad74a9454e69645766 | |
| parent | f8abe86cc4fbd4ba083fd151b88e02fb3ce88b9c (diff) | |
| download | op-kernel-dev-016be2e55d98aee0b97b94b200d6e0e110c8392a.zip op-kernel-dev-016be2e55d98aee0b97b94b200d6e0e110c8392a.tar.gz | |
x86: uaccess s/might_sleep/might_fault/
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>
| -rw-r--r-- | arch/x86/include/asm/uaccess_64.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index 142810c..4f7923d 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -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); } |
