Messages in this thread | | | Subject | Re: [PATCH 1/1] KVM: x86: ignore SIPIs that are received while not in wait-for-sipi state | From | Paolo Bonzini <> | Date | Thu, 3 Dec 2020 18:36:31 +0100 |
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On 03/12/20 15:33, Maxim Levitsky wrote: > In the commit 1c96dcceaeb3 > ("KVM: x86: fix apic_accept_events vs check_nested_events"), > > we accidently started latching SIPIs that are received while the cpu is not > waiting for them. > > This causes vCPUs to never enter a halted state. > > Fixes: 1c96dcceaeb3 ("KVM: x86: fix apic_accept_events vs check_nested_events") > Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> > --- > arch/x86/kvm/lapic.c | 15 ++++++++-------
Indeed, it was done by the xchg before that commit, even if vcpu->arch.mp_state != KVM_MP_STATE_INIT_RECEIVED.
Paolo
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