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KVM: VMX: Write VPID to vmcs when creating vcpu

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Move the code that writes vmx->vpid to vmcs from vmx_vcpu_reset() to
vmx_vcpu_setup(), because vmx->vpid is allocated when creating vcpu and
never changed. So we don't need to update the vmcs.vpid when resetting
vcpu.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Xiaoyao Li 2019-10-20 17:10:58 +08:00 committed by Paolo Bonzini
parent 4be946728f
commit 35fbe0d4ef
1 changed files with 3 additions and 3 deletions
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6
arch/x86/kvm/vmx/vmx.c
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@ -4252,6 +4252,9 @@ static void vmx_vcpu_setup(struct vcpu_vmx *vmx)
set_cr4_guest_host_mask(vmx);
if (vmx->vpid != 0)
vmcs_write16(VIRTUAL_PROCESSOR_ID, vmx->vpid);
if (vmx_xsaves_supported())
vmcs_write64(XSS_EXIT_BITMAP, VMX_XSS_EXIT_BITMAP);
@ -4354,9 +4357,6 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
if (vmx->vpid != 0)
vmcs_write16(VIRTUAL_PROCESSOR_ID, vmx->vpid);
cr0 = X86_CR0_NW | X86_CR0_CD | X86_CR0_ET;
vmx->vcpu.arch.cr0 = cr0;
vmx_set_cr0(vcpu, cr0); /* enter rmode */