On Wed, May 20, 2020 at 4:45 PM Stefano Stabellini <sstabell...@kernel.org> wrote: > > Hi all, > > This series is a collection of fixes to get Linux running on the RPi4 as > dom0. > > Conceptually there are only two significant changes: > > - make sure not to call virt_to_page on vmalloc virt addresses (patch > #1) > - use phys_to_dma and dma_to_phys to translate phys to/from dma > addresses (all other patches) > > In particular in regards to the second part, the RPi4 is the first > board where Xen can run that has the property that dma addresses are > different from physical addresses, and swiotlb-xen was written with the > assumption that phys addr == dma addr. > > This series adds the phys_to_dma and dma_to_phys calls to make it work.
Great to see this! Stefano, any chance you can put it in a branch some place so I can test the final version? Thanks, Roman.
