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(parent: a7a9904) | patch
x86/amd_gart: remove the mapping_error dma_map_ops method
authorChristoph Hellwig <hch@lst.de>
Wed, 21 Nov 2018 18:20:44 +0000 (19:20 +0100)
committerChristoph Hellwig <hch@lst.de>
Thu, 6 Dec 2018 14:56:45 +0000 (06:56 -0800)
commit6754d0bd6e7332b76175110500378f1acfeb30b9
treebb14c71f838dd6e73b624ae1ba03cc8c9318dffbtree | snapshot
parenta7a9904c3127ca0857c6bf6cdeeff0760bbbaab1commit | diff
x86/amd_gart: remove the mapping_error dma_map_ops method

Return DMA_MAPPING_ERROR instead of the magic bad_dma_addr on a dma
mapping failure and let the core dma-mapping code handle the rest.

Remove the magic EMERGENCY_PAGES that the bad_dma_addr gets redirected to.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/x86/kernel/amd_gart_64.c diff | blob | history
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