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freebsd/sys/dev/xen/blkfront
Roger Pau Monné f8f1bb83f7 xen: allow disabling PV disks and nics
Introduce two new loader tunnables that can be used to disable PV disks and
PV nics at boot time. They default to 0 and should be set to 1 (or any
number different than 0) in order to disable the PV devices:

hw.xen.disable_pv_disks=1
hw.xen.disable_pv_nics=1

In /boot/loader.conf will disable both PV disks and nics.

Sponsored by:	Citrix Systems R&D
Tested by:	Karl Pielorz <kpielorz_lst@tdx.co.uk>
MFC after:	1 week
2015-08-21 15:53:08 +00:00
..
blkfront.c xen: allow disabling PV disks and nics 2015-08-21 15:53:08 +00:00
block.h Add support for Xen blkif indirect segment I/Os. This makes it possible for 2015-07-30 03:50:01 +00:00