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| author | Maxim Levitsky <mlevitsk@redhat.com> | 2023-07-26 15:59:44 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-07-29 17:05:24 +0200 |
| commit | cff540ebef38303a4cabf4b8bb49317be01b4b0f (patch) | |
| tree | a3beca068f444b300655ea2654d7fb3237749938 /arch/x86/kvm/lapic.c | |
| parent | KVM: x86: VMX: __kvm_apic_update_irr must update the IRR atomically (diff) | |
| download | linux-cff540ebef38303a4cabf4b8bb49317be01b4b0f.tar.xz linux-cff540ebef38303a4cabf4b8bb49317be01b4b0f.zip | |
KVM: x86: VMX: set irr_pending in kvm_apic_update_irr
When the APICv is inhibited, the irr_pending optimization is used.
Therefore, when kvm_apic_update_irr sets bits in the IRR,
it must set irr_pending to true as well.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20230726135945.260841-3-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index b17b37e4d4fc..a983a16163b1 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -666,8 +666,11 @@ EXPORT_SYMBOL_GPL(__kvm_apic_update_irr); bool kvm_apic_update_irr(struct kvm_vcpu *vcpu, u32 *pir, int *max_irr) { struct kvm_lapic *apic = vcpu->arch.apic; + bool irr_updated = __kvm_apic_update_irr(pir, apic->regs, max_irr); - return __kvm_apic_update_irr(pir, apic->regs, max_irr); + if (unlikely(!apic->apicv_active && irr_updated)) + apic->irr_pending = true; + return irr_updated; } EXPORT_SYMBOL_GPL(kvm_apic_update_irr); |