On Mon, Nov 10, 2014 at 04:12:40PM +0000, Stefano Stabellini wrote: > this patch series introduces support for GNTTABOP_cache_flush to perform > cache maintenance operation on foreign pages and reverts the current > code based on XENFEAT_grant_map_identity. > > It also provides a very slow fallback by bouncing on the swiotlb buffer, > in case the hypercall is not available. > > v7 introduces a flag named dma_coherent in dev_archdata and an accessor > function named is_device_dma_coherent in asm/dma-mapping.h under arm and > arm64.
Apart from a few minor comments I gave already, the series looks fine to me. Once addressed, you can add: Reviewed-by: Catalin Marinas <catalin.mari...@arm.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/