On 6/2/20 5:51 PM, Stefano Stabellini wrote: > I would like to ask the maintainers, Juergen, Boris, Konrad, whether you > have any more feedback before I send v2 of the series.
I think I only had one comment and that's all. Most were from Julien. -boris > > Cheers, > > Stefano > > > On Wed, 20 May 2020, Stefano Stabellini 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. >> >> >> Cheers, >> >> Stefano >>
