| Date | Thu, 16 May 2013 14:15:58 +0300 | From | "Michael S. Tsirkin" <> | Subject | [PATCH v2 09/10] x86: uaccess s/might_sleep/might_fault/ |
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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: Ingo Molnar <mingo@kernel.org> --- 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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