m32r: uaccess s/might_sleep/might_fault/
The only reason uaccess routines might sleep
is if they fault. Make this explicit.
Signed-off-by: Michael S. Tsirkin <mst@redhat.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/1369577426-26721-4-git-send-email-mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h
index 1c7047b..84fe7ba 100644
--- a/arch/m32r/include/asm/uaccess.h
+++ b/arch/m32r/include/asm/uaccess.h
@@ -216,7 +216,7 @@
({ \
long __gu_err = 0; \
unsigned long __gu_val; \
- might_sleep(); \
+ might_fault(); \
__get_user_size(__gu_val,(ptr),(size),__gu_err); \
(x) = (__typeof__(*(ptr)))__gu_val; \
__gu_err; \
@@ -227,7 +227,7 @@
long __gu_err = -EFAULT; \
unsigned long __gu_val = 0; \
const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \
- might_sleep(); \
+ might_fault(); \
if (access_ok(VERIFY_READ,__gu_addr,size)) \
__get_user_size(__gu_val,__gu_addr,(size),__gu_err); \
(x) = (__typeof__(*(ptr)))__gu_val; \
@@ -295,7 +295,7 @@
#define __put_user_nocheck(x,ptr,size) \
({ \
long __pu_err; \
- might_sleep(); \
+ might_fault(); \
__put_user_size((x),(ptr),(size),__pu_err); \
__pu_err; \
})
@@ -305,7 +305,7 @@
({ \
long __pu_err = -EFAULT; \
__typeof__(*(ptr)) __user *__pu_addr = (ptr); \
- might_sleep(); \
+ might_fault(); \
if (access_ok(VERIFY_WRITE,__pu_addr,size)) \
__put_user_size((x),__pu_addr,(size),__pu_err); \
__pu_err; \
@@ -597,7 +597,7 @@
*/
#define copy_to_user(to,from,n) \
({ \
- might_sleep(); \
+ might_fault(); \
__generic_copy_to_user((to),(from),(n)); \
})
@@ -638,7 +638,7 @@
*/
#define copy_from_user(to,from,n) \
({ \
- might_sleep(); \
+ might_fault(); \
__generic_copy_from_user((to),(from),(n)); \
})