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Commit 44ceb9d6 authored by Jan Kiszka's avatar Jan Kiszka Committed by Gleb Natapov
Browse files

KVM: nVMX: Avoid one redundant vmcs_read in prepare_vmcs12 



IDT_VECTORING_INFO_FIELD was already read right after vmexit.

Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
parent 02cdb50f

arch/x86/kvm/vmx.c

+1 −2
Original line number Diff line number Diff line
@@ -7404,8 +7404,7 @@ static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) 


	vmcs12->vm_exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);

	vmcs12->vm_exit_intr_error_code = vmcs_read32(VM_EXIT_INTR_ERROR_CODE);

	vmcs12->idt_vectoring_info_field =

		vmcs_read32(IDT_VECTORING_INFO_FIELD);

	vmcs12->idt_vectoring_info_field = to_vmx(vcpu)->idt_vectoring_info;

	vmcs12->idt_vectoring_error_code =

		vmcs_read32(IDT_VECTORING_ERROR_CODE);

	vmcs12->vm_exit_instruction_len = vmcs_read32(VM_EXIT_INSTRUCTION_LEN);