tile: uaccess s/might_sleep/might_fault/
authorMichael S. Tsirkin <mst@redhat.com>
Sun, 26 May 2013 14:31:48 +0000 (17:31 +0300)
committerIngo Molnar <mingo@kernel.org>
Tue, 28 May 2013 07:41:09 +0000 (09:41 +0200)
The only reason uaccess routines might sleep
is if they fault. Make this explicit.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.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/1369577426-26721-8-git-send-email-mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/tile/include/asm/uaccess.h

index 8a082bc..e4d44bd 100644 (file)
@@ -442,7 +442,7 @@ extern unsigned long __copy_in_user_inatomic(
 static inline unsigned long __must_check
 __copy_in_user(void __user *to, const void __user *from, unsigned long n)
 {
-       might_sleep();
+       might_fault();
        return __copy_in_user_inatomic(to, from, n);
 }