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| author | Christoph Hellwig | 2019-06-03 12:48:57 +0200 |
|---|---|---|
| committer | Christoph Hellwig | 2019-06-25 08:12:42 +0200 |
| commit | 34ab03160eda51839be6dd5a939680963266707c (patch) | |
| tree | 3c6810a7c739a86ea785d2707a2a6b5dedf754c9 /arch/arc | |
| parent | ARM: dma-mapping: allow larger DMA mask than supported (diff) | |
| download | kernel-qcow2-linux-34ab03160eda51839be6dd5a939680963266707c.tar.gz kernel-qcow2-linux-34ab03160eda51839be6dd5a939680963266707c.tar.xz kernel-qcow2-linux-34ab03160eda51839be6dd5a939680963266707c.zip | |
arm-nommu: remove the partial DMA_ATTR_NON_CONSISTENT support
The arm-nommu 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: Vladimir Murzin <vladimir.murzin@arm.com>
Diffstat (limited to 'arch/arc')
0 files changed, 0 insertions, 0 deletions