diff options
| author | Michael S. Tsirkin <mst@redhat.com> | 2013-05-26 17:30:56 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-05-28 09:41:08 +0200 |
| commit | ac093f8d5e76be1f2654acfd7a59d339ba037654 (patch) | |
| tree | 40c0c5c6065e96d238ca6c0b810c5c8625d5e596 /arch/microblaze | |
| parent | 01682576d5fd1c92b96d79560b17208a6567c331 (diff) | |
microblaze: 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/1369577426-26721-5-git-send-email-mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/include/asm/uaccess.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index efe59d881789..2fc8bf7bcdd0 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -145,7 +145,7 @@ static inline unsigned long __must_check __clear_user(void __user *to, static inline unsigned long __must_check clear_user(void __user *to, unsigned long n) { - might_sleep(); + might_fault(); if (unlikely(!access_ok(VERIFY_WRITE, to, n))) return n; @@ -371,7 +371,7 @@ extern long __user_bad(void); static inline long copy_from_user(void *to, const void __user *from, unsigned long n) { - might_sleep(); + might_fault(); if (access_ok(VERIFY_READ, from, n)) return __copy_from_user(to, from, n); return n; @@ -385,7 +385,7 @@ static inline long copy_from_user(void *to, static inline long copy_to_user(void __user *to, const void *from, unsigned long n) { - might_sleep(); + might_fault(); if (access_ok(VERIFY_WRITE, to, n)) return __copy_to_user(to, from, n); return n; |