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Commit ff241486 authored by Sean Christopherson's avatar Sean Christopherson Committed by Paolo Bonzini
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KVM: nVMX: Move "vmcs12 to shadow/evmcs sync" to helper function 



...so that the function doesn't need to be created when moving the
nested code out of vmx.c.

Signed-off-by: default avatarSean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 3e8eaccc

arch/x86/kvm/vmx/vmx.c

+26 −20
Original line number Diff line number Diff line
@@ -9113,34 +9113,16 @@ static void vmx_update_hv_timer(struct kvm_vcpu *vcpu) 
	vmx->loaded_vmcs->hv_timer_armed = false;

}



static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)

static void nested_sync_from_vmcs12(struct kvm_vcpu *vcpu)

{

	struct vcpu_vmx *vmx = to_vmx(vcpu);

	unsigned long cr3, cr4, evmcs_rsp;



	/* Record the guest's net vcpu time for enforced NMI injections. */

	if (unlikely(!enable_vnmi &&

		     vmx->loaded_vmcs->soft_vnmi_blocked))

		vmx->loaded_vmcs->entry_time = ktime_get();



	/* Don't enter VMX if guest state is invalid, let the exit handler

	   start emulation until we arrive back to a valid state */

	if (vmx->emulation_required)

		return;



	if (vmx->ple_window_dirty) {

		vmx->ple_window_dirty = false;

		vmcs_write32(PLE_WINDOW, vmx->ple_window);

	}



	if (vmx->nested.need_vmcs12_sync) {

	/*

	 * hv_evmcs may end up being not mapped after migration (when

	 * L2 was running), map it here to make sure vmcs12 changes are

	 * properly reflected.

	 */

		if (vmx->nested.enlightened_vmcs_enabled &&

		    !vmx->nested.hv_evmcs)

	if (vmx->nested.enlightened_vmcs_enabled && !vmx->nested.hv_evmcs)

		nested_vmx_handle_enlightened_vmptrld(vcpu, false);



	if (vmx->nested.hv_evmcs) {
@@ -9151,9 +9133,33 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) 
	} else {

		copy_vmcs12_to_shadow(vmx);

	}



	vmx->nested.need_vmcs12_sync = false;

}



static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)

{

	struct vcpu_vmx *vmx = to_vmx(vcpu);

	unsigned long cr3, cr4, evmcs_rsp;



	/* Record the guest's net vcpu time for enforced NMI injections. */

	if (unlikely(!enable_vnmi &&

		     vmx->loaded_vmcs->soft_vnmi_blocked))

		vmx->loaded_vmcs->entry_time = ktime_get();



	/* Don't enter VMX if guest state is invalid, let the exit handler

	   start emulation until we arrive back to a valid state */

	if (vmx->emulation_required)

		return;



	if (vmx->ple_window_dirty) {

		vmx->ple_window_dirty = false;

		vmcs_write32(PLE_WINDOW, vmx->ple_window);

	}



	if (vmx->nested.need_vmcs12_sync)

		nested_sync_from_vmcs12(vcpu);



	if (test_bit(VCPU_REGS_RSP, (unsigned long *)&vcpu->arch.regs_dirty))

		vmcs_writel(GUEST_RSP, vcpu->arch.regs[VCPU_REGS_RSP]);

	if (test_bit(VCPU_REGS_RIP, (unsigned long *)&vcpu->arch.regs_dirty))