δΊ 2011-8-30 17:45, Alexander Graf ει:
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
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