From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: [PATCH 2/5] KVM: SVM: don't copy exit_int_info on nested vmrun Date: Wed, 16 Sep 2009 15:24:16 +0200 Message-ID: <1253107459-8967-3-git-send-email-joerg.roedel@amd.com> References: <1253107459-8967-1-git-send-email-joerg.roedel@amd.com> Mime-Version: 1.0 Content-Type: text/plain Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Graf , Joerg Roedel To: Avi Kivity Return-path: Received: from va3ehsobe005.messaging.microsoft.com ([216.32.180.15]:12515 "EHLO VA3EHSOBE005.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752585AbZIPNYv (ORCPT ); Wed, 16 Sep 2009 09:24:51 -0400 In-Reply-To: <1253107459-8967-1-git-send-email-joerg.roedel@amd.com> Sender: kvm-owner@vger.kernel.org List-ID: The exit_int_info field is only written by the hardware and never read. So it does not need to be copied on a vmrun emulation. Signed-off-by: Joerg Roedel --- arch/x86/kvm/svm.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 668460c..80f5309 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1790,8 +1790,6 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm) svm->nested.intercept = nested_vmcb->control.intercept; force_new_asid(&svm->vcpu); - svm->vmcb->control.exit_int_info = nested_vmcb->control.exit_int_info; - svm->vmcb->control.exit_int_info_err = nested_vmcb->control.exit_int_info_err; svm->vmcb->control.int_ctl = nested_vmcb->control.int_ctl | V_INTR_MASKING_MASK; if (nested_vmcb->control.int_ctl & V_IRQ_MASK) { nsvm_printk("nSVM Injecting Interrupt: 0x%x\n", -- 1.6.3.3