Re: [PATCH v2 43/43] KVM: VMX: Don't do full kick when handling posted interrupt wakeup
Maxim Levitsky <[email protected]>
| Newsgroups | org.kernel.vger.kvm-ppc,dev.linux.lists.kvmarm,org.infradead.lists.kvm-riscv,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-riscv,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-mips |
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| Message-ID | <[email protected]> |
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 <[email protected]> Best regards, Maxim Levitsky