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=-7.6 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 99472C433E6 for ; Mon, 31 Aug 2020 07:30:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 80558206F0 for ; Mon, 31 Aug 2020 07:30:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725937AbgHaHaH (ORCPT ); Mon, 31 Aug 2020 03:30:07 -0400 Received: from mga06.intel.com ([134.134.136.31]:22647 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725794AbgHaHaG (ORCPT ); Mon, 31 Aug 2020 03:30:06 -0400 IronPort-SDR: X7Nmi2i2EiRqmwnc0UajamPmS4dDNsg8AHLrLIXB3STHo+rgmkVY35FZWjqSNYKLMemlvaBYBe uHVrdOAtkk8g== X-IronPort-AV: E=McAfee;i="6000,8403,9729"; a="218473000" X-IronPort-AV: E=Sophos;i="5.76,374,1592895600"; d="scan'208";a="218473000" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2020 00:30:04 -0700 IronPort-SDR: RhGSL7wyVsjh+qsvOh480VVPNj2zqANcLsAm0u5fLr0CbkyXraU3/CQPTHJpjckYsGMnAcC/x1 3SMjo64MzSQg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,374,1592895600"; d="scan'208";a="501762398" Received: from blu2-mobl3.ccr.corp.intel.com (HELO [10.254.212.84]) ([10.254.212.84]) by fmsmga005.fm.intel.com with ESMTP; 31 Aug 2020 00:29:57 -0700 Cc: baolu.lu@linux.intel.com, x86@kernel.org, Joerg Roedel , iommu@lists.linux-foundation.org, linux-hyperv@vger.kernel.org, Haiyang Zhang , Jon Derrick , Wei Liu , "K. Y. Srinivasan" , Stephen Hemminger , Steve Wahl , Dimitri Sivanich , Russ Anderson , linux-pci@vger.kernel.org, Bjorn Helgaas , Lorenzo Pieralisi , Konrad Rzeszutek Wilk , xen-devel@lists.xenproject.org, Juergen Gross , Boris Ostrovsky , Stefano Stabellini , Marc Zyngier , Greg Kroah-Hartman , "Rafael J. Wysocki" , Megha Dey , Jason Gunthorpe , Dave Jiang , Alex Williamson , Jacob Pan , Baolu Lu , Kevin Tian , Dan Williams Subject: Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI To: Thomas Gleixner , LKML References: <20200826111628.794979401@linutronix.de> <02e30654-714b-520a-0d20-fca20794df93@linux.intel.com> <87pn77i93c.fsf@nanos.tec.linutronix.de> From: Lu Baolu Message-ID: Date: Mon, 31 Aug 2020 15:29:56 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <87pn77i93c.fsf@nanos.tec.linutronix.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org Hi Thomas, On 2020/8/31 15:10, Thomas Gleixner wrote: > On Mon, Aug 31 2020 at 08:51, Lu Baolu wrote: >> On 8/26/20 7:16 PM, Thomas Gleixner wrote: >>> This is the second version of providing a base to support device MSI (non >>> PCI based) and on top of that support for IMS (Interrupt Message Storm) >>> based devices in a halfways architecture independent way. >> >> After applying this patch series, the dmar_alloc_hwirq() helper doesn't >> work anymore during boot. This causes the IOMMU driver to fail to >> register the DMA fault handler and abort the IOMMU probe processing. >> Is this a known issue? > > See replies to patch 15/46 or pull the git tree. It has the issue fixed. Ah! Yes. Sorry for the noise. Beset regards, baolu