mirror of https://gitee.com/openkylin/linux.git
KVM: Don't mistreat edge-triggered INIT IPI as INIT de-assert. (LAPIC)
If the guest programs an IPI with level=0 (de-assert) and trig_mode=0 (edge), it is erroneously treated as INIT de-assert and ignored, but to quote the spec: "For this delivery mode [INIT de-assert], the level flag must be set to 0 and trigger mode flag to 1." Signed-off-by: Julian Stecklina <js@alien8.de> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
parent
b93a355327
commit
a52315e1d5
|
@ -433,7 +433,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
|
|||
break;
|
||||
|
||||
case APIC_DM_INIT:
|
||||
if (level) {
|
||||
if (!trig_mode || level) {
|
||||
result = 1;
|
||||
vcpu->arch.mp_state = KVM_MP_STATE_INIT_RECEIVED;
|
||||
kvm_make_request(KVM_REQ_EVENT, vcpu);
|
||||
|
|
Loading…
Reference in New Issue