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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 752FFC433DB for ; Thu, 25 Feb 2021 06:38:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 23E6C64ED9 for ; Thu, 25 Feb 2021 06:38:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232746AbhBYGhr (ORCPT ); Thu, 25 Feb 2021 01:37:47 -0500 Received: from mga06.intel.com ([134.134.136.31]:22397 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232177AbhBYGhn (ORCPT ); Thu, 25 Feb 2021 01:37:43 -0500 IronPort-SDR: BH8jPSW4l/ewPMZTMe98s9OxV4EnH/Hm7XdGm7aKNGuEdgeeme6RXroUUQm+Mtfw6jKmvpYya4 /aib4DhYwimw== X-IronPort-AV: E=McAfee;i="6000,8403,9905"; a="246838623" X-IronPort-AV: E=Sophos;i="5.81,205,1610438400"; d="scan'208";a="246838623" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Feb 2021 22:35:57 -0800 IronPort-SDR: hqBfn55cAHG2xvl0XbZBQ6CN2UP3n2oXQj3i7cmwE35nk8tykC2iM/qy6JCBKCZGCq05eeksT0 dA8lfYJKeMEA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,205,1610438400"; d="scan'208";a="499965252" Received: from allen-box.sh.intel.com ([10.239.159.128]) by fmsmga001.fm.intel.com with ESMTP; 24 Feb 2021 22:35:54 -0800 From: Lu Baolu To: Joerg Roedel , Will Deacon Cc: ashok.raj@intel.com, kevin.tian@intel.com, jacob.jun.pan@intel.com, yi.l.liu@intel.com, sanjay.k.kumar@intel.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH 1/5] iommu/vt-d: Report the right page fault address Date: Thu, 25 Feb 2021 14:26:50 +0800 Message-Id: <20210225062654.2864322-2-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210225062654.2864322-1-baolu.lu@linux.intel.com> References: <20210225062654.2864322-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Address field of the Page Request Descriptor only keeps bit [63:12] of the offending address. Convert it to a full address before reporting it to device drivers. Fixes: eb8d93ea3c1d3 ("iommu/vt-d: Report page request faults for guest SVA") Signed-off-by: Lu Baolu --- drivers/iommu/intel/svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 574a7e657a9a..d76cc79f3496 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -862,7 +862,7 @@ intel_svm_prq_report(struct device *dev, struct page_req_dsc *desc) /* Fill in event data for device specific processing */ memset(&event, 0, sizeof(struct iommu_fault_event)); event.fault.type = IOMMU_FAULT_PAGE_REQ; - event.fault.prm.addr = desc->addr; + event.fault.prm.addr = (u64)desc->addr << VTD_PAGE_SHIFT; event.fault.prm.pasid = desc->pasid; event.fault.prm.grpid = desc->prg_index; event.fault.prm.perm = prq_to_iommu_prot(desc); -- 2.25.1