mn10300: uaccess s/might_sleep/might_fault/
authorMichael S. Tsirkin <[email protected]>
Sun, 26 May 2013 14:31:05 +0000 (17:31 +0300)
committerIngo Molnar <[email protected]>
Tue, 28 May 2013 07:41:08 +0000 (09:41 +0200)
The only reason uaccess routines might sleep
is if they fault. Make this explicit.

Signed-off-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
arch/mn10300/include/asm/uaccess.h

index 780560b330d9ef9109a76b0210185f3bc178ca8e..107508a0e1ddcbaf16e0fa4b5b2f63fab02e7792 100644 (file)
@@ -471,13 +471,13 @@ extern unsigned long __generic_copy_from_user(void *, const void __user *,
 
 #define __copy_to_user(to, from, n)                    \
 ({                                                     \
-       might_sleep();                                  \
+       might_fault();                                  \
        __copy_to_user_inatomic((to), (from), (n));     \
 })
 
 #define __copy_from_user(to, from, n)                  \
 ({                                                     \
-       might_sleep();                                  \
+       might_fault();                                  \
        __copy_from_user_inatomic((to), (from), (n));   \
 })