2017-06-27 19:36 GMT+02:00 Christoph Hellwig <h...@lst.de>: > On Tue, Jun 27, 2017 at 05:54:17PM +0100, Russell King - ARM Linux wrote: >> On Tue, Jun 27, 2017 at 05:27:53PM +0200, Christoph Hellwig wrote: >> > I've applied patches 1, 3 and 4 to the dma-mapping tree. 2 will need >> > a respin for less code duplication. I'd be happy to take 5,6 and 7 if >> > Russell is fine with that. >> >> If Vladimir is okay with those going in without patch 2, then I'm >> happy - I seem to remember a mail from Vladimir stating that they >> depended on some of the previous patches, but I don't know which. >> >> Acked-by: Russell King <rmk+ker...@armlinux.org.uk> > > Thanks, I'll add them. Patch 2 only adds optional mmap functionality, > so it's not really required. Although I'd really like to see a fixed > up version that I can merge anyway.
Without mmap we will have a regression for nommu platform which are using dma_alloc_coherent and specialy in drm/kms where dumb buffer are allocated like that. Even with this problem I think the patches should be merged but we should have a quick fix for mmap. Benjamin
