passthrough: reject self-(de)assignment of devices
authorChao Gao <chao.gao@intel.com>
Wed, 1 Mar 2017 09:28:35 +0000 (10:28 +0100)
committerJan Beulich <jbeulich@suse.com>
Wed, 1 Mar 2017 09:28:35 +0000 (10:28 +0100)
commit2c17e1836d46203f02f0ad699465500554575aef
tree049514b4c21a792e39294162091deebc29fd7bde
parent8222557798768995e81c53aee3c273ea9503afb5
passthrough: reject self-(de)assignment of devices

That is to say, don't support a domain assigns a device to itself or detachs
a device from itself.

Signed-off-by: Chao Gao <chao.gao@intel.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
xen/drivers/passthrough/pci.c