Re: [Xen-devel] [PATCH v3 00/15] xen/arm: Bug fixes for the vGIC

[Vijay Kilari <vijay.kilari@xxxxxxxxx>]

On Fri, Feb 20, 2015 at 4:45 PM, Julien Grall <julien.grall@xxxxxxxxxx> wrote:
> On 20/02/15 10:44, Ian Campbell wrote:
>> On Fri, 2015-02-20 at 15:56 +0530, Vijay Kilari wrote:
>>> On Fri, Feb 20, 2015 at 3:44 PM, Ian Campbell <ian.campbell@xxxxxxxxxx> 
>>> wrote:
>>>> On Thu, 2015-02-19 at 18:01 +0000, Julien Grall wrote:
>>>>> Based on the discussion, what about waiting until someone complain about
>>>>> GICv3 support on Xen 4.5?
>>>>
>>>> That sounds like a reasonable compromise.
>>>
>>> If Xen 4.5 claims GICv3 support, then it is better to backport vgic-v3 
>>> patches.
>>> May be ThunderX is the only platform out there with GICv3 support.
>>> At some point of time we might require ThunderX support on 4.5 release.
>>> If you are going to backport only on-demand then it should be for now.
>>
>> Is ThunderX going to be available to purchase before the 4.6 release in
>> the summer?

Yes, ThunderX is in sampling now and customers can get them directly

>
> Even if the GICv3 patches backported, there is no GICv3 ITS, SMMUv2 and
> 48 cores supports in Xen 4.5. That would mean that there is no MSI
> neither PCI-passthrough working.
>
> Given that, there is not much interest to have Xen 4.5 running on
> ThunderX. You won't be able to use the full capacity of the board.
>
> I think we should focus on upstreaming all the features required in Xen
> 4.6 as soon as possible.

Yes we are targeting 4.6 release. On request we can deliver 4.5 based solution
for Thunderx which we already have prototyped

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