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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 5D4F0C4363C for ; Wed, 12 May 2021 16:27:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22A76610A7 for ; Wed, 12 May 2021 16:27:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236453AbhELQXd (ORCPT ); Wed, 12 May 2021 12:23:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:56786 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236149AbhELPhJ (ORCPT ); Wed, 12 May 2021 11:37:09 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7584E61C48; Wed, 12 May 2021 15:18:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620832710; bh=CZB6/ouM4GGtl/Mx5KrH+icS/E+GTm/MqgX2o6T++gM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=y6iE+FsXaf/J1dwDuiHtx332K+IF8/rUwDucoMEgudbXaEuFwcSFfb8uXTeJkCjys 5yPK20331+5H77J2+FPTyi9sbk55+sHV4rHRs8znQINMlCj+ozGHO3eXLjsidzOk+H afIHBZ28ExobEWI1LzcgAPFFbNf+hsLPkdjfrtLU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lu Baolu , Joerg Roedel , Sasha Levin Subject: [PATCH 5.10 391/530] iommu/vt-d: Report the right page fault address Date: Wed, 12 May 2021 16:48:21 +0200 Message-Id: <20210512144832.628089537@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144819.664462530@linuxfoundation.org> References: <20210512144819.664462530@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lu Baolu [ Upstream commit 03d205094af45bca4f8e0498c461a893aa3ec6d9 ] 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 Link: https://lore.kernel.org/r/20210320025415.641201-2-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel Signed-off-by: Sasha Levin --- 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 d79639b5b8a9..6168dec7cb40 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -899,7 +899,7 @@ 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); -- 2.30.2