x86/mcheck: Drop unnecessary barriers
authorAndrew Cooper <andrew.cooper3@citrix.com>
Fri, 2 Dec 2016 15:00:41 +0000 (15:00 +0000)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Thu, 21 Dec 2017 10:57:16 +0000 (10:57 +0000)
commitd72f5abff765b6408ef940ced437d000643f7547
treec3562973058d02dc5539af3c2cf1765ee43d185a
parentb695189a016a6fc32277fd1158a1421dd359758e
x86/mcheck: Drop unnecessary barriers

spin_unlock() has full barrier semantics already.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
xen/arch/x86/cpu/mcheck/mctelem.c