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Commit 09ca3f20 authored by Kyle Huey's avatar Kyle Huey Committed by Paolo Bonzini
Browse files

KVM: VMX: Reorder some skip_emulated_instruction calls 



The functions being moved ahead of skip_emulated_instruction here don't
need updated IPs, and skipping the emulated instruction at the end will
make it easier to return its value.

Signed-off-by: default avatarKyle Huey <khuey@kylehuey.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent 6a908b62

arch/x86/kvm/vmx.c

+6 −6
Original line number Diff line number Diff line
@@ -5708,8 +5708,8 @@ static int handle_cr(struct kvm_vcpu *vcpu) 
	case 2: /* clts */

		handle_clts(vcpu);

		trace_kvm_cr_write(0, kvm_read_cr0(vcpu));

		skip_emulated_instruction(vcpu);

		vmx_fpu_activate(vcpu);

		skip_emulated_instruction(vcpu);

		return 1;

	case 1: /*mov from cr*/

		switch (cr) {
@@ -6133,8 +6133,8 @@ static int handle_ept_misconfig(struct kvm_vcpu *vcpu) 


	gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);

	if (!kvm_io_bus_write(vcpu, KVM_FAST_MMIO_BUS, gpa, 0, NULL)) {

		skip_emulated_instruction(vcpu);

		trace_kvm_fast_mmio(gpa);

		skip_emulated_instruction(vcpu);

		return 1;

	}
@@ -6507,8 +6507,8 @@ static int handle_pause(struct kvm_vcpu *vcpu) 
	if (ple_gap)

		grow_ple_window(vcpu);



	skip_emulated_instruction(vcpu);

	kvm_vcpu_on_spin(vcpu);

	skip_emulated_instruction(vcpu);



	return 1;

}
@@ -6962,8 +6962,8 @@ static int handle_vmon(struct kvm_vcpu *vcpu) 


	vmx->nested.vmxon = true;



	skip_emulated_instruction(vcpu);

	nested_vmx_succeed(vcpu);

	skip_emulated_instruction(vcpu);

	return 1;



out_shadow_vmcs:
@@ -7083,8 +7083,8 @@ static int handle_vmoff(struct kvm_vcpu *vcpu) 
	if (!nested_vmx_check_permission(vcpu))

		return 1;

	free_nested(to_vmx(vcpu));

	skip_emulated_instruction(vcpu);

	nested_vmx_succeed(vcpu);

	skip_emulated_instruction(vcpu);

	return 1;

}
@@ -7124,8 +7124,8 @@ static int handle_vmclear(struct kvm_vcpu *vcpu) 


	nested_free_vmcs02(vmx, vmptr);



	skip_emulated_instruction(vcpu);

	nested_vmx_succeed(vcpu);

	skip_emulated_instruction(vcpu);

	return 1;

}