Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
IronPort-SDR: X7Nmi2i2EiRqmwnc0UajamPmS4dDNsg8AHLrLIXB3STHo+rgmkVY35FZWjqSNYKLMemlvaBYBe
 uHVrdOAtkk8g==
IronPort-SDR: RhGSL7wyVsjh+qsvOh480VVPNj2zqANcLsAm0u5fLr0CbkyXraU3/CQPTHJpjckYsGMnAcC/x1
 3SMjo64MzSQg==
Cc:     baolu.lu@linux.intel.com, x86@kernel.org,
        Joerg Roedel <joro@8bytes.org>,
        iommu@lists.linux-foundation.org, linux-hyperv@vger.kernel.org,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Jon Derrick <jonathan.derrick@intel.com>,
        Wei Liu <wei.liu@kernel.org>,
        "K. Y. Srinivasan" <kys@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>,
        Steve Wahl <steve.wahl@hpe.com>,
        Dimitri Sivanich <sivanich@hpe.com>,
        Russ Anderson <rja@hpe.com>, linux-pci@vger.kernel.org,
        Bjorn Helgaas <bhelgaas@google.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        xen-devel@lists.xenproject.org, Juergen Gross <jgross@suse.com>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        Stefano Stabellini <sstabellini@kernel.org>,
        Marc Zyngier <maz@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Megha Dey <megha.dey@intel.com>,
        Jason Gunthorpe <jgg@mellanox.com>,
        Dave Jiang <dave.jiang@intel.com>,
        Alex Williamson <alex.williamson@redhat.com>,
        Jacob Pan <jacob.jun.pan@intel.com>,
        Baolu Lu <baolu.lu@intel.com>,
        Kevin Tian <kevin.tian@intel.com>,
        Dan Williams <dan.j.williams@intel.com>
Subject: Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device
 MSI
To:     Thomas Gleixner <tglx@linutronix.de>,
        LKML <linux-kernel@vger.kernel.org>
References: <20200826111628.794979401@linutronix.de>
 <02e30654-714b-520a-0d20-fca20794df93@linux.intel.com>
 <87pn77i93c.fsf@nanos.tec.linutronix.de>
From:   Lu Baolu <baolu.lu@linux.intel.com>
Message-ID: <b41eb9d7-0438-8a3a-d708-0173b4b25fea@linux.intel.com>
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-kernel-owner@vger.kernel.org
Precedence: bulk

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