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Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI
- To: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>
- From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
- Date: Mon, 31 Aug 2020 09:10:47 +0200
- Cc: baolu.lu@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, Joerg Roedel <joro@xxxxxxxxxx>, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-hyperv@xxxxxxxxxxxxxxx, Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>, Jon Derrick <jonathan.derrick@xxxxxxxxx>, Wei Liu <wei.liu@xxxxxxxxxx>, "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx>, Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>, Steve Wahl <steve.wahl@xxxxxxx>, Dimitri Sivanich <sivanich@xxxxxxx>, Russ Anderson <rja@xxxxxxx>, linux-pci@xxxxxxxxxxxxxxx, Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Juergen Gross <jgross@xxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Marc Zyngier <maz@xxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, Megha Dey <megha.dey@xxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxxxx>, Dave Jiang <dave.jiang@xxxxxxxxx>, Alex Williamson <alex.williamson@xxxxxxxxxx>, Jacob Pan <jacob.jun.pan@xxxxxxxxx>, Baolu Lu <baolu.lu@xxxxxxxxx>, Kevin Tian <kevin.tian@xxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>
- Delivery-date: Mon, 31 Aug 2020 07:10:59 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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.
Thanks,
tglx
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