Commit 016be2e5 authored May 26, 2013 by Michael S. Tsirkin Committed by Ingo Molnar May 28, 2013

x86: 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/1369577426-26721-9-git-send-email-mst@redhat.com

Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent f8abe86c

arch/x86/include/asm/uaccess_64.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}