[PATCH v2 09/10] x86: uaccess s/might_sleep/might_fault/

From: Michael S. Tsirkin
Date: Thu May 16 2013 - 07:19:11 EST

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

Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>
arch/x86/include/asm/uaccess_64.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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);


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