From: Michael S. Tsirkin <mst@redhat.com>
Date: Sun, 26 May 2013 14:30:47 +0000 (+0300)
Subject: frv: uaccess s/might_sleep/might_fault/
X-Git-Tag: v3.11-rc1~142^2~8
X-Git-Url: http://pileus.org/git/?p=~andy%2Flinux;a=commitdiff_plain;h=b607ae78ac8a78f8e5e36817500e7c311519f032

frv: 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/1369577426-26721-3-git-send-email-mst@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h
index 0b67ec5b441..3ac9a59d65d 100644
--- a/arch/frv/include/asm/uaccess.h
+++ b/arch/frv/include/asm/uaccess.h
@@ -280,14 +280,14 @@ extern long __memcpy_user(void *dst, const void *src, unsigned long count);
 static inline unsigned long __must_check
 __copy_to_user(void __user *to, const void *from, unsigned long n)
 {
-       might_sleep();
+       might_fault();
        return __copy_to_user_inatomic(to, from, n);
 }
 
 static inline unsigned long
 __copy_from_user(void *to, const void __user *from, unsigned long n)
 {
-       might_sleep();
+       might_fault();
        return __copy_from_user_inatomic(to, from, n);
 }