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KVM: nVMX: Avoid one redundant vmcs_read in prepare_vmcs12

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IDT_VECTORING_INFO_FIELD was already read right after vmexit.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
This commit is contained in:
Jan Kiszka 2013-02-20 14:02:23 +01:00 • committed by Gleb Natapov
commit 44ceb9d665
1 changed files with 1 additions and 2 deletions
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3
arch/x86/kvm/vmx.c
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@ -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);