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=-13.8 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 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 5EFF1C433E9 for ; Thu, 18 Mar 2021 10:30:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1FF2F64F45 for ; Thu, 18 Mar 2021 10:30:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230064AbhCRK3z (ORCPT ); Thu, 18 Mar 2021 06:29:55 -0400 Received: from 8bytes.org ([81.169.241.247]:59674 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229890AbhCRK3u (ORCPT ); Thu, 18 Mar 2021 06:29:50 -0400 Received: by theia.8bytes.org (Postfix, from userid 1000) id 646CB2D8; Thu, 18 Mar 2021 11:29:49 +0100 (CET) Date: Thu, 18 Mar 2021 11:29:48 +0100 From: Joerg Roedel To: Lu Baolu Cc: Will Deacon , Ashok Raj , Guo Kaijie , Dave Jiang , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] iommu/vt-d: Report more information about invalidation errors Message-ID: References: <20210318005340.187311-1-baolu.lu@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210318005340.187311-1-baolu.lu@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 18, 2021 at 08:53:40AM +0800, Lu Baolu wrote: > When the invalidation queue errors are encountered, dump the information > logged by the VT-d hardware together with the pending queue invalidation > descriptors. > > Signed-off-by: Ashok Raj > Tested-by: Guo Kaijie > Signed-off-by: Lu Baolu > --- > drivers/iommu/intel/dmar.c | 68 ++++++++++++++++++++++++++++++++++--- > include/linux/intel-iommu.h | 6 ++++ > 2 files changed, 70 insertions(+), 4 deletions(-) Applied, thanks.