xen/console: Update console event channel on resume
authorBoris Ostrovsky <boris.ostrovsky@oracle.com>
Wed, 29 Apr 2015 21:10:14 +0000 (17:10 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 17 May 2015 16:51:32 +0000 (09:51 -0700)
commit677c040f35923da4c9fadb2e645854044a5c6a8f
tree39b3a0074427dbf1741f53b785340228187ee912
parent0073e613da6fb1f39ab75f0373a63ee30d51d635
xen/console: Update console event channel on resume

commit b9d934f27c91b878c4b2e64299d6e419a4022f8d upstream.

After a resume the hypervisor/tools may change console event
channel number. We should re-query it.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/hvc/hvc_xen.c