On Tue, Dec 12, 2017 at 05:33:04PM -0800, Wanpeng Li wrote: > + if (xchg(&vcpu->arch.st.steal.preempted, KVM_VCPU_NOT_PREEMPTED) == > + (KVM_VCPU_SHOULD_FLUSH | KVM_VCPU_PREEMPTED)) { > + /* > + * Do TLB_FLUSH before entering the guest, its passed > + * the stage of request checking > + */ > + kvm_vcpu_flush_tlb(vcpu, false); > + } And not a single word, _anywhere_ on why this doesn't need invalidate_gpa or wtf that actually is.