From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFC42C3F2CD for ; Mon, 2 Mar 2020 16:08:21 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C7ED0222C4 for ; Mon, 2 Mar 2020 16:08:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C7ED0222C4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 8A4DD204A4; Mon, 2 Mar 2020 16:08:21 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id BuVJyeQmi4dA; Mon, 2 Mar 2020 16:08:21 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id F04EA2049F; Mon, 2 Mar 2020 16:08:20 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id D6D88C1AE2; Mon, 2 Mar 2020 16:08:20 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id AA40AC013E for ; Mon, 2 Mar 2020 16:08:19 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id A7242855BD for ; Mon, 2 Mar 2020 16:08:19 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id s0FACkUYKN8C for ; Mon, 2 Mar 2020 16:08:19 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by whitealder.osuosl.org (Postfix) with ESMTPS id D71DC85693 for ; Mon, 2 Mar 2020 16:08:18 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id 013665BC; Mon, 2 Mar 2020 17:08:16 +0100 (CET) Date: Mon, 2 Mar 2020 17:08:14 +0100 From: Joerg Roedel To: Yonghyun Hwang Subject: Re: [PATCH v3] iommu/vt-d: Fix a bug in intel_iommu_iova_to_phys() for huge page Message-ID: <20200302160813.GB7829@8bytes.org> References: <20200226203006.51567-1-yonghyun@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200226203006.51567-1-yonghyun@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: Havard Skinnemoen , stable@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Deepa Dinamani , Moritz Fischer , David Woodhouse X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Wed, Feb 26, 2020 at 12:30:06PM -0800, Yonghyun Hwang wrote: > intel_iommu_iova_to_phys() has a bug when it translates an IOVA for a huge > page onto its corresponding physical address. This commit fixes the bug by > accomodating the level of page entry for the IOVA and adds IOVA's lower > address to the physical address. > > Cc: > Acked-by: Lu Baolu > Reviewed-by: Moritz Fischer > Signed-off-by: Yonghyun Hwang Applied with Fixes tag: Fixes: 3871794642579 ("VT-d: Changes to support KVM") _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu