Messages in this thread | | | Date | Wed, 13 Dec 2017 14:35:54 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v8 4/4] KVM: X86: Add flush_on_enter before guest enter |
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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.
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