Re: [Xen-devel] [v2][PATCH] libxl: add one machine property to support IGD GFX passthrough

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Wei Liu writes ("Re: [v2][PATCH] libxl: add one machine property to support IGD 
GFX passthrough"):
> On Mon, Feb 02, 2015 at 09:17:23AM +0800, Tiejun Chen wrote:
> > When we're working to support IGD GFX passthrough with qemu
> > upstream, instead of "-gfx_passthru" we'd like to make that
> > a machine option, "-machine xxx,-igd-passthru=on". This need
> > to bring a change on tool side.
...
> My suggestion has one premise -- if upstream QEMU has already released
> that -gfx_passthru option. If there is no "old one" (in upstream QEMU)
> at all, then there is nothing to keep and deprecate.

I think the commit message of the xen.git commit should explain what
options are supported by which versions of qemu (including qemu
upstream's future plans).

That would provide (a) something which summarises the communication
etc. with qemu upstream and can be checked with them if necessary and
(b) something against which the libxl changes can be easily judged.

Thanks,
Ian.

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