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: |
Description
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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