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| author | Borislav Petkov <bp@suse.de> | 2014-07-11 12:43:38 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-07-11 17:28:51 -0700 |
| commit | b08ee5f7e4135d64b8edd769367f8964a725122e (patch) | |
| tree | c23c93542548c4ef5da24ed60d3c5dc038b3b607 /arch/x86/include/asm/cmpxchg_32.h | |
| parent | 891715793f0451e5114d200be932ac14ce8521a3 (diff) | |
| download | blackbird-obmc-linux-b08ee5f7e4135d64b8edd769367f8964a725122e.tar.gz blackbird-obmc-linux-b08ee5f7e4135d64b8edd769367f8964a725122e.zip | |
x86: Simplify __HAVE_ARCH_CMPXCHG tests
Both the 32-bit and 64-bit cmpxchg.h header define __HAVE_ARCH_CMPXCHG
and there's ifdeffery which checks it. But since both bitness define it,
we can just as well move it up to the main cmpxchg header and simpify a
bit of code in doing that.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/20140711104338.GB17083@pd.tnic
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm/cmpxchg_32.h')
| -rw-r--r-- | arch/x86/include/asm/cmpxchg_32.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h index f8bf2eecab86..f7e142926481 100644 --- a/arch/x86/include/asm/cmpxchg_32.h +++ b/arch/x86/include/asm/cmpxchg_32.h @@ -34,8 +34,6 @@ static inline void set_64bit(volatile u64 *ptr, u64 value) : "memory"); } -#define __HAVE_ARCH_CMPXCHG 1 - #ifdef CONFIG_X86_CMPXCHG64 #define cmpxchg64(ptr, o, n) \ ((__typeof__(*(ptr)))__cmpxchg64((ptr), (unsigned long long)(o), \ |
