Re: [Qemu-devel] [v6][PATCH 05/10] xen, gfx passthrough: basic graphics passthrough support

[Gerd Hoffmann]

On Di, 2015-01-20 at 11:14 +0800, Chen, Tiejun wrote:
> On 2015/1/19 19:45, Gerd Hoffmann wrote:
> > On Mo, 2015-01-19 at 17:28 +0800, Tiejun Chen wrote:
> >> +DEF("gfx_passthru", 0, QEMU_OPTION_gfx_passthru,
> >> +    "-gfx_passthru   enable Intel IGD passthrough by XEN\n",
> >> +    QEMU_ARCH_ALL)
> >> +STEXI
> >> address@hidden -gfx_passthru
> >> address@hidden -gfx_passthru
> >> +Enable Intel IGD passthrough by XEN
> >> +ETEXI
> >
> > Make that a machine option, i.e. "-machine pc,igd-passthru=on"?
> 
> Yeah but I think we need "-machine xenfv,igd-passthru=on" here.

IIRC xen decided to stop using xenfv and use pc-$version instead (with
$version being what was current at release time, 1.6 for xen 4.4 I
think, to avoid surprises like the address space layout changes in more
recent machine types).

cheers,
  Gerd