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authorMichael S. Tsirkin <mst@redhat.com>2013-05-26 17:30:42 +0300
committerIngo Molnar <mingo@kernel.org>2013-05-28 09:41:06 +0200
commit56d2ef789f7c424918abdf6b95d84a64c1473220 (patch)
tree4a0bce4541c71758c11c467e56c2647b48760893 /arch/arm64/include/asm/uaccess.h
parentasm-generic: uaccess s/might_sleep/might_fault/ (diff)
downloadlinux-dev-56d2ef789f7c424918abdf6b95d84a64c1473220.tar.xz
linux-dev-56d2ef789f7c424918abdf6b95d84a64c1473220.zip
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>
Diffstat (limited to '')
-rw-r--r--arch/arm64/include/asm/uaccess.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 008f8481da65..edb3d5c73a32 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -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; \