linux/kernel/dma
Christoph Hellwig 704f2c20ea dma-direct: reject highmem pages from dma_alloc_from_contiguous
dma_alloc_from_contiguous can return highmem pages depending on the
setup, which a plain non-remapping DMA allocator can't handle.  Detect
this case and fail the allocation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
2018-12-01 17:56:08 +01:00
..
Kconfig dma-mapping: consolidate the dma mmap implementations 2018-09-20 09:01:16 +02:00
Makefile dma-mapping: merge direct and noncoherent ops 2018-09-20 09:01:15 +02:00
coherent.c dma-mapping: move all DMA mapping code to kernel/dma 2018-06-14 08:50:37 +02:00
contiguous.c dma-mapping: fix panic caused by passing empty cma command line argument 2018-09-20 09:01:08 +02:00
debug.c dma-debug: Check for drivers mapping invalid addresses in dma_map_single() 2018-10-08 09:44:17 +02:00
direct.c dma-direct: reject highmem pages from dma_alloc_from_contiguous 2018-12-01 17:56:08 +01:00
mapping.c dma-mapping: support non-coherent devices in dma_common_get_sgtable 2018-09-20 09:01:17 +02:00
swiotlb.c swiotlb: Skip cache maintenance on map error 2018-11-21 18:47:58 +01:00
virt.c dma-mapping: move all DMA mapping code to kernel/dma 2018-06-14 08:50:37 +02:00