Re: [Qemu-devel] [PATCH 4/5] xen, gfx passthrough: support Intel IGD passthrough with VT-D

2014-03-27 Thread Michael S. Tsirkin
On Thu, Mar 27, 2014 at 06:21:08PM +, Stefano Stabellini wrote: > CC'ing Michael. > > On Fri, 21 Feb 2014, Yang Zhang wrote: > > From: Yang Zhang > > > > Some registers of Intel IGD are mapped in host bridge, so it needs to > > passthrough these registers of physical host bridge to guest bec

Re: [Qemu-devel] [PATCH 4/5] xen, gfx passthrough: support Intel IGD passthrough with VT-D

2014-03-27 Thread Stefano Stabellini
CC'ing Michael. On Fri, 21 Feb 2014, Yang Zhang wrote: > From: Yang Zhang > > Some registers of Intel IGD are mapped in host bridge, so it needs to > passthrough these registers of physical host bridge to guest because > emulated host bridge in guest doesn't have these mappings. > > The origina

[Qemu-devel] [PATCH 4/5] xen, gfx passthrough: support Intel IGD passthrough with VT-D

2014-02-20 Thread Yang Zhang
From: Yang Zhang Some registers of Intel IGD are mapped in host bridge, so it needs to passthrough these registers of physical host bridge to guest because emulated host bridge in guest doesn't have these mappings. The original patch is from Weidong Han < weidong.han @ intel.com > Signed-off-by