On Mon, 2019-11-25 at 16:33 +0000, Robin Murphy wrote: > On 25/11/2019 7:44 am, Christoph Hellwig wrote: > > On Sat, Nov 23, 2019 at 09:51:08AM -0700, Nathan Chancellor wrote: > > > Just as an FYI, this introduces a warning on arm32 allyesconfig for me: > > > > I think the dma_limit argument to iommu_dma_alloc_iova should be a u64 > > and/or we need to use min_t and open code the zero exception. > > > > Robin, Nicolas - any opinions? > > Yeah, given that it's always held a mask I'm not entirely sure why it > was ever a dma_addr_t rather than a u64. Unless anyone else is desperate > to do it I'll get a cleanup patch ready for rc1. Sounds good to me too Robin, since I started the mess, I'll be happy to do it if it helps offloading some work from you. Regards, Nicolas