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| /freebsd-11-stable/sys/mips/mips/ | ||
| H A D | busdma_machdep.c | diff 204689 Thu Mar 04 03:34:10 MST 2010 neel Add support for CPUs with cache coherent DMA. The two main changes are: - We don't need to fall back to uncacheable memory to satisfy BUS_DMA_COHERENT requests on these CPUs. - The bus_dmamap_sync() is a no-op for these CPUs. A side-effect of this change is rename DMAMAP_COHERENT flag to DMAMAP_UNCACHEABLE. This conveys the purpose of the flag more accurately. Reviewed by: gonzo, imp |
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