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| author | Leon Romanovsky <leonro@nvidia.com> | 2026-03-16 21:06:48 +0200 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2026-03-20 12:05:36 +0100 |
| commit | e6a58fa2556203a7f6731b4071705dc81cca5ca5 (patch) | |
| tree | 404642b67acba4db7d6162c52cc55d4ac8f8f2ab /tools/perf/scripts/python | |
| parent | 9bb0a4d6a4433b75274204b083dac8e515d2007d (diff) | |
dma-mapping: Introduce DMA require coherency attribute
The mapping buffers which carry this attribute require DMA coherent system.
This means that they can't take SWIOTLB path, can perform CPU cache overlap
and doesn't perform cache flushing.
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20260316-dma-debug-overlap-v3-4-1dde90a7f08b@nvidia.com
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions