linux-kernel - Re: [PATCH v2 10/43] KVM: arm64: Move vGIC v4 handling for WFI out arch callback hook

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Message-ID: <4826a7e2dbecc5d57323d18d725d6d69@kernel.org>
Date:   Tue, 30 Nov 2021 12:04:49 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Sean Christopherson <seanjc@...gle.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        Aleksandar Markovic <aleksandar.qemu.devel@...il.com>,
        Paul Mackerras <paulus@...abs.org>,
        Anup Patel <anup.patel@....com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        James Morse <james.morse@....com>,
        Alexandru Elisei <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Atish Patra <atish.patra@....com>,
        David Hildenbrand <david@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Claudio Imbrenda <imbrenda@...ux.ibm.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-mips@...r.kernel.org, kvm@...r.kernel.org,
        kvm-ppc@...r.kernel.org, kvm-riscv@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        David Matlack <dmatlack@...gle.com>,
        Oliver Upton <oupton@...gle.com>,
        Jing Zhang <jingzhangos@...gle.com>
Subject: Re: [PATCH v2 10/43] KVM: arm64: Move vGIC v4 handling for WFI out
 arch callback hook

On 2021-11-30 11:39, Paolo Bonzini wrote:
> On 10/26/21 18:12, Paolo Bonzini wrote:
>> On 26/10/21 17:41, Marc Zyngier wrote:
>>>> This needs a word on why kvm_psci_vcpu_suspend does not need the
>>>> hooks.  Or it needs to be changed to also use kvm_vcpu_wfi in the 
>>>> PSCI
>>>> code, I don't know.
>>>> 
>>>> Marc, can you review and/or advise?
>>> I was looking at that over the weekend, and that's a pre-existing
>>> bug. I would have addressed it independently, but it looks like you
>>> already have queued the patch.
>> 
>> I have "queued" it, but that's just my queue - it's not on kernel.org 
>> and it's not going to be in 5.16, at least not in the first batch.
>> 
>> There's plenty of time for me to rebase on top of a fix, if you want 
>> to send the fix through your kvm-arm pull request.  Just Cc me so that 
>> I understand what's going on.
> 
> Since a month has passed and I didn't see anything related in the
> KVM-ARM pull requests, I am going to queue this patch.  Any conflicts
> can be resolved through a kvmarm->kvm merge of either a topic branch
> or a tag that is destined to 5.16.

Can you at least spell out *when* this will land?

There is, in general, a certain lack of clarity about what you are 
queuing,
where you are queuing it, and what release it targets.

Thanks,

         M.
-- 
Jazz is not dead. It just smells funny...