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