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Commit 07f36616 authored by Paolo Bonzini's avatar Paolo Bonzini Committed by Radim Krčmář
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KVM: nVMX: remove unnecessary vmwrite from L2->L1 vmexit 



The POSTED_INTR_NV field is constant (though it differs between the vmcs01 and
vmcs02), there is no need to reload it on vmexit to L1.

Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent 25a2e4fe

arch/x86/kvm/vmx.c

+0 −3
Original line number Diff line number Diff line
@@ -11339,9 +11339,6 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu, 
		 */

		vmx_flush_tlb(vcpu, true);

	}

	/* Restore posted intr vector. */

	if (nested_cpu_has_posted_intr(vmcs12))

		vmcs_write16(POSTED_INTR_NV, POSTED_INTR_VECTOR);



	vmcs_write32(GUEST_SYSENTER_CS, vmcs12->host_ia32_sysenter_cs);

	vmcs_writel(GUEST_SYSENTER_ESP, vmcs12->host_ia32_sysenter_esp);