diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2020-02-20 18:22:05 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-02-21 18:05:21 +0100 |
| commit | 91a5f413af596ad01097e59bf487eb07cb3f1331 (patch) | |
| tree | e53ec7fa98c5ea4ac08cfcfc56fac73b5ab9c642 /arch/x86/kvm/lapic.c | |
| parent | 93fd9666c269877fffb74e14f52792d9c000c1f2 (diff) | |
| download | lwn-91a5f413af596ad01097e59bf487eb07cb3f1331.tar.gz lwn-91a5f413af596ad01097e59bf487eb07cb3f1331.zip | |
KVM: nVMX: handle nested posted interrupts when apicv is disabled for L1
Even when APICv is disabled for L1 it can (and, actually, is) still
available for L2, this means we need to always call
vmx_deliver_nested_posted_interrupt() when attempting an interrupt
delivery.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/lapic.c')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index afcd30d44cbb..cc8ee8125712 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1046,11 +1046,8 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, apic->regs + APIC_TMR); } - if (vcpu->arch.apicv_active) - kvm_x86_ops->deliver_posted_interrupt(vcpu, vector); - else { + if (kvm_x86_ops->deliver_posted_interrupt(vcpu, vector)) { kvm_lapic_set_irr(vector, apic); - kvm_make_request(KVM_REQ_EVENT, vcpu); kvm_vcpu_kick(vcpu); } |