xen/evtchn: remove spurious barrier
authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Sat, 19 Sep 2009 00:13:41 +0000 (17:13 -0700)
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Sat, 19 Sep 2009 00:13:41 +0000 (17:13 -0700)
commit1a1a17cddbfb1f81222b3f18ee8530c41fbc3b82
treeb795c53bacda8f7f0db1d46a68a0346fd161bfb6
parent0edce91dcd83160019867a00746c679344dc0bbd
xen/evtchn: remove spurious barrier

evtchn_unbind_from_user() is called under a lock, so there's no need to
worry about the ordering of unbind_from_irqhandler vs clearing the port
per-user data.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
drivers/xen/evtchn.c