KVM flushes the APF queue completely when the asynchronous pagefault is disabled, therefore this case should not occur. Signed-off-by: Maxim Levitsky --- arch/x86/kvm/x86.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index a1c49bc681c4..9018d56b4b0a 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -13466,7 +13466,7 @@ void kvm_arch_async_page_present_queued(struct kvm_vcpu *vcpu) bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu) { - if (!kvm_pv_async_pf_enabled(vcpu)) + if (WARN_ON_ONCE(!kvm_pv_async_pf_enabled(vcpu))) return true; else return kvm_lapic_enabled(vcpu) && apf_pageready_slot_free(vcpu); -- 2.49.0