Re: [Qemu-devel] [RFC][PATCH 1/1] libxl: add one machine property to support IGD GFX passthrough

[Gerd Hoffmann]

On Mi, 2015-01-21 at 11:37 +0000, Ian Jackson wrote:
> Tiejun Chen writes ("[RFC][PATCH 1/1] libxl: add one machine property to 
> support IGD GFX passthrough"):
> > 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,gfx_passthru=on". This need
> > to bring several changes on tool side.
> 
> Has the corresponding patch to qemu-upstream been accepted yet ?
> 
> I'd like to see a confirmation from the qemu side that this is going
> into their tree and that the command-line option syntax has been
> agreed.

Suggested at patch review, not merged (guess thats why it is tagged
'rfc', to get both qemu+xen on the same page).

While being at it:  Should we name this 'igd-passthru' instead of
'gfx-passthru'?  The hostbridge / isabridge quirks needed are actually
specific to igd and are not needed for -- say -- nvidia gfx cards.

cheers,
  Gerd