tree c23c93542548c4ef5da24ed60d3c5dc038b3b607
parent 891715793f0451e5114d200be932ac14ce8521a3
author Borislav Petkov <bp@suse.de> 1405075418 +0200
committer H. Peter Anvin <hpa@linux.intel.com> 1405124931 -0700

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>