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authorChristoph Hellwig <hch@lst.de>2019-06-03 12:52:47 +0200
committerChristoph Hellwig <hch@lst.de>2019-06-25 08:14:24 +0200
commit80e61fcd23946cb222f780a49ab2eeb7ef1d3749 (patch)
treeb3b775066ec7062eccd1e0fd50d7be00475099c0 /arch/openrisc
parent34ab03160eda51839be6dd5a939680963266707c (diff)
arc: remove the partial DMA_ATTR_NON_CONSISTENT support
The arc DMA code supports DMA_ATTR_NON_CONSISTENT allocations, but does not provide a cache_sync operation. This means any user of it will never be able to actually transfer cache ownership and thus cause coherency bugs. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Evgeniy Paltsev <paltsev@synopsys.com> Tested-by: Evgeniy Paltsev <paltsev@synopsys.com>
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