From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: [PATCH] KVM: nVMX: Avoid one redundant vmcs_read in prepare_vmcs12 Date: Wed, 20 Feb 2013 14:02:23 +0100 Message-ID: <5124C95F.1090704@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kvm , "Nadav Har'El" , "Nakajima, Jun" To: Gleb Natapov , Marcelo Tosatti Return-path: Received: from goliath.siemens.de ([192.35.17.28]:26862 "EHLO goliath.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933831Ab3BTNCh (ORCPT ); Wed, 20 Feb 2013 08:02:37 -0500 Sender: kvm-owner@vger.kernel.org List-ID: IDT_VECTORING_INFO_FIELD was already read right after vmexit. Signed-off-by: Jan Kiszka --- arch/x86/kvm/vmx.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 7d2fbd2..d99a519 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7368,8 +7368,7 @@ 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); -- 1.7.3.4