On Mon, Oct 08, 2018 at 10:02:40AM +0200, Christoph Hellwig wrote: > Like all other dma mapping drivers just return an error code instead > of an actual memory buffer. The reason for the overflow buffer was > that at the time swiotlb was invented there was no way to check for > dma mapping errors, but this has long been fixed. > > Signed-off-by: Christoph Hellwig <h...@lst.de> > --- > arch/arm64/mm/dma-mapping.c | 2 +- > arch/powerpc/kernel/dma-swiotlb.c | 4 +-- > include/linux/dma-direct.h | 2 ++ > include/linux/swiotlb.h | 3 -- > kernel/dma/direct.c | 2 -- > kernel/dma/swiotlb.c | 59 ++----------------------------- > 6 files changed, 8 insertions(+), 64 deletions(-)
I went through the patches and they look fine to me (with the vunmap fix for the last patch). For the arm64 bits: Acked-by: Catalin Marinas <catalin.mari...@arm.com> _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
