From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: [PATCH 02/12] KVM: SVM: Add clean-bit for intercetps, tsc-offset and pause filter count Date: Fri, 3 Dec 2010 11:45:49 +0100 Message-ID: <1291373159-4822-3-git-send-email-joerg.roedel@amd.com> References: <1291373159-4822-1-git-send-email-joerg.roedel@amd.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , Joerg Roedel To: Avi Kivity , Marcelo Tosatti Return-path: Received: from db3ehsobe003.messaging.microsoft.com ([213.199.154.141]:13223 "EHLO DB3EHSOBE003.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757129Ab0LCKqV (ORCPT ); Fri, 3 Dec 2010 05:46:21 -0500 In-Reply-To: <1291373159-4822-1-git-send-email-joerg.roedel@amd.com> Sender: kvm-owner@vger.kernel.org List-ID: This patch adds the clean-bit for intercepts-vectors, the TSC offset and the pause-filter count to the appropriate places. The IO and MSR permission bitmaps are not subject to this bit. Signed-off-by: Joerg Roedel --- arch/x86/kvm/svm.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 3ee59b0..d8058c9 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -186,6 +186,8 @@ static int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr, bool has_error_code, u32 error_code); enum { + VMCB_INTERCEPTS, /* Intercept vectors, TSC offset, + pause filter count */ VMCB_DIRTY_MAX, }; @@ -217,6 +219,8 @@ static void recalc_intercepts(struct vcpu_svm *svm) struct vmcb_control_area *c, *h; struct nested_state *g; + mark_dirty(svm->vmcb, VMCB_INTERCEPTS); + if (!is_guest_mode(&svm->vcpu)) return; @@ -854,6 +858,8 @@ static void svm_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset) } svm->vmcb->control.tsc_offset = offset + g_tsc_offset; + + mark_dirty(svm->vmcb, VMCB_INTERCEPTS); } static void svm_adjust_tsc_offset(struct kvm_vcpu *vcpu, s64 adjustment) @@ -863,6 +869,7 @@ static void svm_adjust_tsc_offset(struct kvm_vcpu *vcpu, s64 adjustment) svm->vmcb->control.tsc_offset += adjustment; if (is_guest_mode(vcpu)) svm->nested.hsave->control.tsc_offset += adjustment; + mark_dirty(svm->vmcb, VMCB_INTERCEPTS); } static void init_vmcb(struct vcpu_svm *svm) -- 1.7.1