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KVM: x86: Allow any LAPIC to accept PIC interrupts 

If the guest wants to accept timer interrupts on a CPU other
than the BSP, we need to remove this gate.

Signed-off-by: Chris Lalancette <clalance@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
hifive-unleashed-5.1
Chris Lalancette 2010-06-16 17:11:12 -04:00 committed by Avi Kivity
parent 33572ac0ad
commit e7dca5c0eb
1 changed files with 5 additions and 7 deletions
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12
arch/x86/kvm/lapic.c
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@ -1107,13 +1107,11 @@ int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu)
u32 lvt0 = apic_get_reg(vcpu->arch.apic, APIC_LVT0);
int r = 0;
if (kvm_vcpu_is_bsp(vcpu)) {
if (!apic_hw_enabled(vcpu->arch.apic))
r = 1;
if ((lvt0 & APIC_LVT_MASKED) == 0 &&
GET_APIC_DELIVERY_MODE(lvt0) == APIC_MODE_EXTINT)
r = 1;
}
if (!apic_hw_enabled(vcpu->arch.apic))
r = 1;
if ((lvt0 & APIC_LVT_MASKED) == 0 &&
GET_APIC_DELIVERY_MODE(lvt0) == APIC_MODE_EXTINT)
r = 1;
return r;
}