blkfront: do not create a PV cdrom device if xen_hvm_guest
authorStefano Stabellini <stefano.stabellini@eu.citrix.com>
Thu, 29 Jul 2010 13:53:16 +0000 (14:53 +0100)
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Thu, 29 Jul 2010 18:11:08 +0000 (11:11 -0700)
It is not possible to unplug emulated cdrom devices, and PV cdroms don't
handle media insert, eject and stream, so we are better off disabling PV
cdroms when running as a Xen HVM guest.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
drivers/block/xen-blkfront.c

Simple merge