Messages in this thread | | | Date | Thu, 11 Apr 2024 12:05:28 -0700 | Subject | Re: [RFC PATCH 04/41] perf: core/x86: Add support to register a new vector for PMI handling | From | Sean Christopherson <> |
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On Thu, Apr 11, 2024, Sean Christopherson wrote: > > diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h > > index 05fd175cec7d..d1b58366bc21 100644 > > --- a/arch/x86/include/asm/idtentry.h > > +++ b/arch/x86/include/asm/idtentry.h > > @@ -675,6 +675,7 @@ DECLARE_IDTENTRY_SYSVEC(IRQ_WORK_VECTOR, sysvec_irq_work); > > DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_VECTOR, sysvec_kvm_posted_intr_ipi); > > DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_WAKEUP_VECTOR, sysvec_kvm_posted_intr_wakeup_ipi); > > DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_NESTED_VECTOR, sysvec_kvm_posted_intr_nested_ipi); > > +DECLARE_IDTENTRY_SYSVEC(KVM_VPMU_VECTOR, sysvec_kvm_vpmu_handler); > > I vote for KVM_VIRTUAL_PMI_VECTOR. I don't see any reasy to abbreviate "virtual", > and the vector is a for a Performance Monitoring Interupt.
Actually, I vote for KVM_GUEST_PMI_VECTOR. The IRQ/PMI itself isn't virtual, it is quite literally the vector that is used for PMIs in KVM guests.
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