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authorDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-30 08:47:41 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-09-30 08:47:41 +0200
commit44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2 (patch)
treeec97ee26c9715f8da24377e9cacc63261b0aa2ab /include/linux/compiler.h
parentdrm/i915: Update DRIVER_DATE to 20150928 (diff)
parentMerge tag 'topic/drm-misc-2015-09-25' of git://anongit.freedesktop.org/drm-intel into drm-next (diff)
downloadwireguard-linux-44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2.tar.xz
wireguard-linux-44cc6c08da0b6c8321c6740bbb6a0c6feb45b2c2.zip
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next
Backmerge to catch up with 4.3. slightly more involved conflict in the irq code, but nothing beyond adjacent changes. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to '')
-rw-r--r--include/linux/compiler.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index e08a6ae7c0a4..c836eb2dc44d 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -252,7 +252,12 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
({ union { typeof(x) __val; char __c[1]; } __u; __read_once_size(&(x), __u.__c, sizeof(x)); __u.__val; })
#define WRITE_ONCE(x, val) \
- ({ union { typeof(x) __val; char __c[1]; } __u = { .__val = (val) }; __write_once_size(&(x), __u.__c, sizeof(x)); __u.__val; })
+({ \
+ union { typeof(x) __val; char __c[1]; } __u = \
+ { .__val = (__force typeof(x)) (val) }; \
+ __write_once_size(&(x), __u.__c, sizeof(x)); \
+ __u.__val; \
+})
/**
* READ_ONCE_CTRL - Read a value heading a control dependency