d13d12a6a2
Now that there are separate back-end implementations of busdma, the bounce implementation shouldn't steal flags from the common front-end. Move those flags to the back-end. Eliminate the fake contig_dmamap and replace it with a new flag, BUS_DMA_KMEM_ALLOC. They serve the same purpose, but using the flag means that the map can be NULL again, which in turn enables significant optimizations for the common case of no bouncing. Obtained from: Netflix, Inc. |
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acpica | ||
bios | ||
cpufreq | ||
include | ||
iommu | ||
isa | ||
pci | ||
x86 | ||
xen |