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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-01-27 05:44:53 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-01-27 05:44:53 -0800
commitcc11f372e9371ec3a3dad02396dbe0a55eec0b8f (patch)
treefd22bdac975ee61053e787ad96c912fddc485370 /include/linux/compiler-gcc.h
parent5b4af8b6397c2da6e3c05893d974b6559441901d (diff)
parent77d143de75812596a58d126606f42d1214e09dde (diff)
Merge branch 'master' into staging-next
We need the network changes in staging-next in order to be able to fix up the rtl8821ae driver to build properly. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/compiler-gcc.h')
-rw-r--r--include/linux/compiler-gcc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 24545cd90a2..02ae99e8e6d 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -37,6 +37,9 @@
__asm__ ("" : "=r"(__ptr) : "0"(ptr)); \
(typeof(ptr)) (__ptr + (off)); })
+/* Make the optimizer believe the variable can be manipulated arbitrarily. */
+#define OPTIMIZER_HIDE_VAR(var) __asm__ ("" : "=r" (var) : "0" (var))
+
#ifdef __CHECKER__
#define __must_be_array(arr) 0
#else