From: Michael S. Tsirkin <mst@redhat.com>
Date: Sun, 26 May 2013 14:31:05 +0000 (+0300)
Subject: mn10300: uaccess s/might_sleep/might_fault/
X-Git-Tag: v3.12-rc1~541^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3837a3cfe4a27836e0e9f207eb2d4f00b5a8fcba;p=kernel%2Fkernel-generic.git

mn10300: 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/1369577426-26721-6-git-send-email-mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index 780560b..107508a 100644
--- a/arch/mn10300/include/asm/uaccess.h
+++ b/arch/mn10300/include/asm/uaccess.h
@@ -471,13 +471,13 @@ extern unsigned long __generic_copy_from_user(void *, const void __user *,
 
 #define __copy_to_user(to, from, n)			\
 ({							\
-	might_sleep();					\
+	might_fault();					\
 	__copy_to_user_inatomic((to), (from), (n));	\
 })
 
 #define __copy_from_user(to, from, n)			\
 ({							\
-	might_sleep();					\
+	might_fault();					\
 	__copy_from_user_inatomic((to), (from), (n));	\
 })