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);
}
--
MST
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