Re: KVM on IBM PowerEN processor

[Kun Wang <kun.kwang@gmail.com>]

于 2011-8-30 17:45, Alexander Graf 写道:
> Hi Kun,
>
> On 08/29/2011 11:31 AM, Kun Wang wrote:
>> Hi, everyone,
>>
>> This is Kun Wang from IBM Research China. I and my team have been 
>> working
>> on IBM PowerEN processor in recent years, including its simulation,
>> lib/runtime optimization and etc. Now we start the work to enable KVM on
>> PowerEN processor. Since the A2 core of PowerEN follows Power ISA v2.06
>> (more specifically, book3e and 64-bit), I believe 99% of our work will
>> stick to the ISA, and hence can be leveraged by others.
>>
>> As the new one to this KVM world, I and my team definitely need your 
>> help.
>> Looking forward to talking and working with you guys in the future.
>
> Welcome to the PowerPC KVM world! I'm looking very much forward to 
> working with you there. Please always CC kvm@vger.kernel.org for 
> emails you send to kvm-ppc@vger, unless you think of it as completely 
> off-generic-kvm discussions. I like the idea of having more clever 
> people involved in the PPC KVM process and by CC'ing kvm@vger, we get 
> more exposure.
>
> The Freescale e500 cores are basically BookE 2.06 compliant with a few 
> specialties here and there. Have you looked at their code? Sure, it's 
> 32-bit as is now but there is definitely work going on at Freescale to 
> get it 64-bit too.
>
> Maybe it makes sense to take the current code as a starting point and 
> slowly move towards an architecture that is more generic. Maybe it 
> makes sense to start from scratch and actually design something 
> flexible that splits guest and host TLB code, so we could potentially 
> run cross-book KVM in the future (which I would love to see happen! 
> Just imagine running a PowerEN guest on a POWER7 system).
>
> Either way, please make sure to coordinate any efforts with me and 
> Scott so we don't walk off in different directions and only get to 
> realize we went down the wrong path when there's already a 100 patches 
> patch set on the mailing list :)
>
>
> Again, welcome on board!
>
> Alex
>
>
Thanks, Alex.

Yes, we are aware of the e500 work done by Freescale folks. I agree with 
you that we should coordinate together to achieve as more synergy.

Best regards,
Kun Wang