diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2014-06-18 15:26:19 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-06-18 15:26:19 -0700 |
| commit | 03ab3da3b215bac4ebb093c808d54596e03e3225 (patch) | |
| tree | a42534bb7f314b561b362ad0b5af7eff8dbb9726 /tools/include/linux/compiler.h | |
| parent | 6229ad278ca74acdbc8bd3a3d469322a3de91039 (diff) | |
| parent | 7171511eaec5bf23fb06078f59784a3a0626b38f (diff) | |
Merge tag 'v3.16-rc1' into x86/cpufeature
Linux 3.16-rc1
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'tools/include/linux/compiler.h')
| -rw-r--r-- | tools/include/linux/compiler.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h index fbc6665c6d5..88461f09cc8 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 */ |