On Wed, Jan 06, 2021 at 10:00:52PM -0500, Felix Kuehling wrote: > This is the first version of our HMM based shared virtual memory manager > for KFD. There are still a number of known issues that we're working through > (see below). This will likely lead to some pretty significant changes in > MMU notifier handling and locking on the migration code paths. So don't > get hung up on those details yet. [...] > Known issues: > * won't work with IOMMU enabled, we need to dma_map all pages properly > * still working on some race conditions and random bugs > * performance is not great yet What would those changes looks like ? Seeing the issue below i do not see how they inter-play with mmu notifier. Can you elaborate. Cheers, Jérôme _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel