Commit 56d2ef78 authored May 26, 2013 by Michael S. Tsirkin Committed by Ingo Molnar May 28, 2013

arm64: 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>
Acked-by: Catalin Marinas <catalin.marinas@arm.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/1369577426-26721-2-git-send-email-mst@redhat.com

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

parent e0acd0bd

arch/arm64/include/asm/uaccess.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -166,7 +166,7 @@ do { \

		#define get_user(x, ptr) \
		({ \
		might_sleep(); \
		might_fault(); \
		access_ok(VERIFY_READ, (ptr), sizeof(*(ptr))) ? \
		__get_user((x), (ptr)) : \
		((x) = 0, -EFAULT); \
		@@ -227,7 +227,7 @@ do { \

		#define put_user(x, ptr) \
		({ \
		might_sleep(); \
		might_fault(); \
		access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) ? \
		__put_user((x), (ptr)) : \
		-EFAULT; \