x86, cmpxchg: <linux/alternative.h> has LOCK_PREFIX

Not <linux/bitops.h>.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Link: http://lkml.kernel.org/r/4E5BCC40.3030501@goop.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
1 file changed