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Date:   Mon, 01 Nov 2021 00:33:40 +0200
From:   Maxim Levitsky <>
To:     Paolo Bonzini <>,
        Sean Christopherson <>,
        Marc Zyngier <>,
        Huacai Chen <>,
        Aleksandar Markovic <>,
        Paul Mackerras <>,
        Anup Patel <>,
        Paul Walmsley <>,
        Palmer Dabbelt <>,
        Albert Ou <>,
        Christian Borntraeger <>,
        Janosch Frank <>
Cc:     James Morse <>,
        Alexandru Elisei <>,
        Suzuki K Poulose <>,
        Atish Patra <>,
        David Hildenbrand <>,
        Cornelia Huck <>,
        Claudio Imbrenda <>,
        Vitaly Kuznetsov <>,
        Wanpeng Li <>,
        Jim Mattson <>,
        Joerg Roedel <>,,,,,,,,,
        David Matlack <>,
        Oliver Upton <>,
        Jing Zhang <>
Subject: Re: [PATCH v2 43/43] KVM: VMX: Don't do full kick when handling
 posted interrupt wakeup

On Mon, 2021-10-25 at 16:16 +0200, Paolo Bonzini wrote:
> On 09/10/21 04:12, Sean Christopherson wrote:
> > When waking vCPUs in the posted interrupt wakeup handling, do exactly
> > that and no more.  There is no need to kick the vCPU as the wakeup
> > handler just need to get the vCPU task running, and if it's in the guest
> > then it's definitely running.
> And more important, the transition from blocking to running will have 
> gone through sync_pir_to_irr, thus checking ON and manually moving the 
> vector from PIR to RVI.
> Paolo
I also think so, and maybe this can be added to the commit message.

Anyway, last one for the series :)

Reviewed-by: Maxim Levitsky <>

Best regards,
	Maxim Levitsky

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