[tip:sched/mm] tile: uaccess s/might_sleep/might_fault/

[tip-bot for Michael S. Tsirkin]

Commit-ID:  f8abe86cc4fbd4ba083fd151b88e02fb3ce88b9c
Gitweb:     http://git.kernel.org/tip/f8abe86cc4fbd4ba083fd151b88e02fb3ce88b9c
Author:     Michael S. Tsirkin <mst@xxxxxxxxxx>
AuthorDate: Sun, 26 May 2013 17:31:48 +0300
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 28 May 2013 09:41:09 +0200

tile: 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@xxxxxxxxxx>
Acked-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1369577426-26721-8-git-send-email-mst@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/tile/include/asm/uaccess.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h
index 8a082bc..e4d44bd 100644
--- a/arch/tile/include/asm/uaccess.h
+++ b/arch/tile/include/asm/uaccess.h
@@ -442,7 +442,7 @@ extern unsigned long __copy_in_user_inatomic(
 static inline unsigned long __must_check
 __copy_in_user(void __user *to, const void __user *from, unsigned long n)
 {
-	might_sleep();
+	might_fault();
 	return __copy_in_user_inatomic(to, from, n);
 }
 
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