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Re: [Qemu-devel] [Xen-devel] [PATCH 2/2] xen:i386:pc_piix: create isa br
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [Qemu-devel] [Xen-devel] [PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough |
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Date: |
Fri, 24 Oct 2014 16:47:47 +0300 |
On Fri, Oct 24, 2014 at 03:36:20PM +0800, Chen, Tiejun wrote:
> >I think the point was mostly to reserve 1f to prevent
> >devices from using it.
> >As we populate slots in order it doesn't seem to important ...
>
> If we populate slot at !1f GFX driver can't find this ISA bridge.
Right, but I mean if no special options are used, 1f will typically
stay free without any effort on our side.
--
MST
Re: [Qemu-devel] [Xen-devel] [PATCH 2/2] xen:i386:pc_piix: create isa bridge specific to IGD passthrough, Michael S. Tsirkin, 2014/10/07