From nobody Sat May 4 04:29:02 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1490440567948106.50429653418121; Sat, 25 Mar 2017 04:16:07 -0700 (PDT) Received: from localhost ([::1]:36726 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1crjfy-0000fa-1d for importer@patchew.org; Sat, 25 Mar 2017 07:16:06 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34728) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1crjfA-0000Nf-1m for qemu-devel@nongnu.org; Sat, 25 Mar 2017 07:15:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1crjf6-0008Ge-TJ for qemu-devel@nongnu.org; Sat, 25 Mar 2017 07:15:16 -0400 Received: from [45.249.212.187] (port=3015 helo=dggrg01-dlp.huawei.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1crjf6-0008Bz-Fv for qemu-devel@nongnu.org; Sat, 25 Mar 2017 07:15:12 -0400 Received: from 172.30.72.56 (EHLO DGGEML403-HUB.china.huawei.com) ([172.30.72.56]) by dggrg01-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id ALL07896; Sat, 25 Mar 2017 19:14:51 +0800 (CST) Received: from localhost (10.177.19.20) by DGGEML403-HUB.china.huawei.com (10.3.17.33) with Microsoft SMTP Server id 14.3.301.0; Sat, 25 Mar 2017 19:14:38 +0800 From: herongguang To: , , Date: Sat, 25 Mar 2017 19:14:24 +0800 Message-ID: <20170325111424.21752-1-herongguang.he@huawei.com> X-Mailer: git-send-email 2.8.3.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.177.19.20] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020205.58D6512C.05A0, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 1d84c048f06cd87d0a3cc2c0b07df92c X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] [fuzzy] X-Received-From: 45.249.212.187 Subject: [Qemu-devel] [PATCH] KVM: unmap SMM memslots in vt-d table X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: wangxinxin.wang@huawei.com, qemu-devel@nongnu.org, herongguang.he@huawei.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" or pages are not unmaped and freed Signed-off-by: herongguang --- arch/x86/kvm/iommu.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) Well, do we should change pci-assign to not map SMM slots instead? Like vfi= o. =20 diff --git a/arch/x86/kvm/iommu.c b/arch/x86/kvm/iommu.c index b181426..5b931bb 100644 --- a/arch/x86/kvm/iommu.c +++ b/arch/x86/kvm/iommu.c @@ -320,15 +320,17 @@ void kvm_iommu_unmap_pages(struct kvm *kvm, struct kv= m_memory_slot *slot) static int kvm_iommu_unmap_memslots(struct kvm *kvm) { int idx; - struct kvm_memslots *slots; + struct kvm_memslots *slots, *smm_slots; struct kvm_memory_slot *memslot; =20 idx =3D srcu_read_lock(&kvm->srcu); slots =3D kvm_memslots(kvm); - kvm_for_each_memslot(memslot, slots) kvm_iommu_unmap_pages(kvm, memslot); =20 + smm_slots =3D __kvm_memslots(kvm, 1); + kvm_for_each_memslot(memslot, smm_slots) + kvm_iommu_unmap_pages(kvm, memslot); srcu_read_unlock(&kvm->srcu, idx); =20 if (kvm->arch.iommu_noncoherent) --=20 1.7.12.4