From patchwork Mon May 18 09:22:53 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avi Kivity X-Patchwork-Id: 24433 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n4I9ONS9026513 for ; Mon, 18 May 2009 09:24:24 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756044AbZERJXi (ORCPT ); Mon, 18 May 2009 05:23:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755911AbZERJXh (ORCPT ); Mon, 18 May 2009 05:23:37 -0400 Received: from mx2.redhat.com ([66.187.237.31]:38416 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753850AbZERJXK (ORCPT ); Mon, 18 May 2009 05:23:10 -0400 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id n4I9NCUv016931; Mon, 18 May 2009 05:23:12 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx2.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n4I9NBpZ004155; Mon, 18 May 2009 05:23:11 -0400 Received: from cleopatra.tlv.redhat.com (cleopatra.tlv.redhat.com [10.35.255.11]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id n4I9N8eR017867; Mon, 18 May 2009 05:23:09 -0400 Received: from localhost.localdomain (cleopatra.tlv.redhat.com [10.35.255.11]) by cleopatra.tlv.redhat.com (Postfix) with ESMTP id 6B793A02C2; Mon, 18 May 2009 12:23:07 +0300 (IDT) From: Avi Kivity To: linux-kernel@vger.kernel.org Cc: kvm@vger.kernel.org Subject: [PATCH 31/43] KVM: MMU: do not free active mmu pages in free_mmu_pages() Date: Mon, 18 May 2009 12:22:53 +0300 Message-Id: <1242638585-18470-32-git-send-email-avi@redhat.com> In-Reply-To: <1242638585-18470-1-git-send-email-avi@redhat.com> References: <1242638585-18470-1-git-send-email-avi@redhat.com> X-Scanned-By: MIMEDefang 2.58 on 172.16.27.26 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Gleb Natapov free_mmu_pages() should only undo what alloc_mmu_pages() does. Free mmu pages from the generic VM destruction function, kvm_destroy_vm(). Signed-off-by: Gleb Natapov Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 8 -------- virt/kvm/kvm_main.c | 2 ++ 2 files changed, 2 insertions(+), 8 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index b6caf13..9256484 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2638,14 +2638,6 @@ EXPORT_SYMBOL_GPL(kvm_disable_tdp); static void free_mmu_pages(struct kvm_vcpu *vcpu) { - struct kvm_mmu_page *sp; - - while (!list_empty(&vcpu->kvm->arch.active_mmu_pages)) { - sp = container_of(vcpu->kvm->arch.active_mmu_pages.next, - struct kvm_mmu_page, link); - kvm_mmu_zap_page(vcpu->kvm, sp); - cond_resched(); - } free_page((unsigned long)vcpu->arch.mmu.pae_root); } diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 231ca3c..7379eab 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1032,6 +1032,8 @@ static void kvm_destroy_vm(struct kvm *kvm) #endif #if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER) mmu_notifier_unregister(&kvm->mmu_notifier, kvm->mm); +#else + kvm_arch_flush_shadow(kvm); #endif kvm_arch_destroy_vm(kvm); mmdrop(mm);