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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2014-08-06 23:36:12 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-08-06 23:36:12 -0700
commit5e2aa2ed08e2e280121dc7cf5609c87d464f12ef (patch)
treeca7d7b1480285e3b617fecc5b41f0ce150a82c32 /tools/include/linux/compiler.h
parentf62d14a8072b9756db36ba394e2b267470a40240 (diff)
parentfc8104bc5a3f6f49d79f45f2706f79f77a9fb2ae (diff)
downloadtalos-op-linux-5e2aa2ed08e2e280121dc7cf5609c87d464f12ef.tar.gz
talos-op-linux-5e2aa2ed08e2e280121dc7cf5609c87d464f12ef.zip
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.17.
Diffstat (limited to 'tools/include/linux/compiler.h')
-rw-r--r--tools/include/linux/compiler.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index fbc6665c6d53..88461f09cc86 100644
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -35,4 +35,6 @@
# define unlikely(x) __builtin_expect(!!(x), 0)
#endif
+#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
+
#endif /* _TOOLS_LINUX_COMPILER_H */
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