Hi Joerg, On Thu, 3 Feb 2022 09:25:58 +0100, Joerg Roedel <[email protected]> wrote:
> On Tue, Feb 01, 2022 at 11:19:18AM -0800, Jacob Pan wrote: > > Do you mean having an IRQ remapping notifier regardless IOMMU-API is > > enabled, right? > > It make sense, I will give it a try. > > Yeah, that would be best. I really don't like to use two notifiers just > to work around ordering issues. > Another option Ashok and I discussed is that we can make DMAR cache persist (which should be for explicitly listed devices in each DRHD) across PCI remove-rescan cycle, then we don't need the DMAR PCI bus notifier at all. This bug only impacts RCIEP device hotplug, which is not the most reasonable use case, we have the space to look into a proper fix. > Regards, > > Joerg Thanks, Jacob _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
