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Subject: Re: [Qemu-devel] [RFC][PATCH 1/1] libxl: add one machine property
 to support IGD GFX passthrough
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To: Ian Campbell <Ian.Campbell@citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: qemu-devel@nongnu.org, wei.liu2@citrix.com, kraxel@redhat.com, xen-devel@lists.xen.org

On 2015/1/21 19:56, Ian Campbell wrote:
> On Wed, 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.
>
> Do we need to detect old vs. new qemu to know when this option is valid?

Do you mean we should introduce these two options into qemu upstream at 
the same time? Here I just keep that new option, and that old is gone.

Thanks
Tiejun