diff options
| author | Radim Krčmář <rkrcmar@redhat.com> | 2015-03-18 19:38:22 +0100 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2015-03-24 00:29:05 +0100 |
| commit | c806a6ad35bfa6c92249cd0ca4772d5ac3f8cb68 (patch) | |
| tree | 8cfe738177c5e9198d8e17cb08b3132319742304 /arch/x86/kvm/ioapic.c | |
| parent | KVM: nVMX: mask unrestricted_guest if disabled on L0 (diff) | |
| download | linux-c806a6ad35bfa6c92249cd0ca4772d5ac3f8cb68.tar.xz linux-c806a6ad35bfa6c92249cd0ca4772d5ac3f8cb68.zip | |
KVM: x86: call irq notifiers with directed EOI
kvm_ioapic_update_eoi() wasn't called if directed EOI was enabled.
We need to do that for irq notifiers. (Like with edge interrupts.)
Fix it by skipping EOI broadcast only.
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=82211
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm/ioapic.c')
| -rw-r--r-- | arch/x86/kvm/ioapic.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c index b1947e0f3e10..46d4449772bc 100644 --- a/arch/x86/kvm/ioapic.c +++ b/arch/x86/kvm/ioapic.c @@ -422,6 +422,7 @@ static void __kvm_ioapic_update_eoi(struct kvm_vcpu *vcpu, struct kvm_ioapic *ioapic, int vector, int trigger_mode) { int i; + struct kvm_lapic *apic = vcpu->arch.apic; for (i = 0; i < IOAPIC_NUM_PINS; i++) { union kvm_ioapic_redirect_entry *ent = &ioapic->redirtbl[i]; @@ -443,7 +444,8 @@ static void __kvm_ioapic_update_eoi(struct kvm_vcpu *vcpu, kvm_notify_acked_irq(ioapic->kvm, KVM_IRQCHIP_IOAPIC, i); spin_lock(&ioapic->lock); - if (trigger_mode != IOAPIC_LEVEL_TRIG) + if (trigger_mode != IOAPIC_LEVEL_TRIG || + kvm_apic_get_reg(apic, APIC_SPIV) & APIC_SPIV_DIRECTED_EOI) continue; ASSERT(ent->fields.trig_mode == IOAPIC_LEVEL_TRIG); |