From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758005AbZIPN12 (ORCPT ); Wed, 16 Sep 2009 09:27:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752703AbZIPN1K (ORCPT ); Wed, 16 Sep 2009 09:27:10 -0400 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 X-SpamScore: 3 X-BigFish: VPS3(zzzz1202hzzz32i203h43j62h) X-Spam-TCS-SCL: 1:0 X-WSS-ID: 0KQ2FX8-02-2UT-02 X-M-MSG: From: Joerg Roedel To: Avi Kivity CC: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Graf , 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> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1253107459-8967-1-git-send-email-joerg.roedel@amd.com> References: <1253107459-8967-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 16 Sep 2009 13:24:23.0171 (UTC) FILETIME=[01523530:01CA36D1] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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