Opened 6 years ago

#720 new defect

DMA operations require cache maintenance

Reported by: Jakub Jermář Owned by:
Priority: major Milestone:
Component: helenos/unspecified Version: mainline
Keywords: cache, dma Cc:
Blocker for: Depends on:
See also:


In general, two cache maintenance operations are needed when doing DMA (assuming cacheable buffers): before and after. We need to provide APIs for this and also modify our existing drivers.

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