Re: [Xen-devel] PCI Device Subtree Change from Traditional to Upstream

[George Dunlap <george.dunlap@xxxxxxxxxx>]

On 01/25/2018 06:04 PM, Anthony PERARD wrote:
> On Thu, Jan 25, 2018 at 05:54:36PM +0000, George Dunlap wrote:
>> On 01/04/2018 12:52 PM, Anthony PERARD wrote:
>>> From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
>>> Subject: [PATCH] libxl_dm: Explicitly put xen-platform device on PCI slot 3
>>>
>>> In order to do that, we don't use xenfv machine anymore and explicity
>>> add the platform device on the command line.
>>>
>>> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
>>
>> Anthony,
>>
>> It seems like we might want to add the ability to specify which slot we
>> want the xen-platform device to occupy. Is it worth thinking of the best
>> way to add a patch like this upstream?
> 
> I think that would be nice for people who switch from qemu-trad to
> QEMU. The only question that remain is, how to name the xl config
> option?  The rest is to simply take my libxl patch and make it use
> the new config option.

Well the other half would be to make sure something like this doesn't
happen by accident in the future -- i.e., that no future changes in QEMU
will accidentally move it away from whatever the current slot is now.

 -George

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