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Re: [Qemu-ppc] [PATCH 00/10] ppc/pnv: add XIVE support for KVM guests
From: |
Cédric Le Goater |
Subject: |
Re: [Qemu-ppc] [PATCH 00/10] ppc/pnv: add XIVE support for KVM guests |
Date: |
Wed, 3 Jul 2019 07:56:56 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 |
On 03/07/2019 04:10, David Gibson wrote:
> On Sun, Jun 30, 2019 at 10:45:51PM +0200, Cédric Le Goater wrote:
>> Hello,
>>
>> The QEMU PowerNV machine emulates a baremetal OpenPOWER system and
>> acts as an hypervisor (L0). Supporting emulation of KVM to run guests
>> (L1) requires a few more extensions, among which support for the XIVE
>> interrupt controller on POWER9 processor.
>>
>> The following changes fix some parts of the XIVE model and provide
>> support for escalations and resend. This mechanism is used by KVM to
>> kick a vCPU when it is not dispatched on a HW thread.
>>
>> A series from Suraj adding guest support in the Radix MMU model of the
>> QEMU PowerNV machine is still required and will be send later. The
>> whole patchset can be found under :
>>
>> https://github.com/legoater/qemu/tree/powernv-4.1
>
> The rest of this series is essentially a new feature, and so will have
> to wait until 4.2 now we're in soft freeze.
Yes. That's fine. This is to let you know what is in preparation:
escalations, KVM under PowerNV, PowerNV POWER10. It's all in the
pipe.
Thanks,
C.