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authorChristoph Hellwig <hch@lst.de>2018-12-06 13:39:32 -0800
committerChristoph Hellwig <hch@lst.de>2018-12-13 21:06:18 +0100
commit356da6d0cde3323236977fce54c1f9612a742036 (patch)
tree87ad8176833266fbaa038780d67aebcc490d0d64 /arch/ia64/Kconfig
parent190d4e5916a2d70a11009022b968fca948fb5dc7 (diff)
dma-mapping: bypass indirect calls for dma-direct
Avoid expensive indirect calls in the fast path DMA mapping operations by directly calling the dma_direct_* ops if we are using the directly mapped DMA operations. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Tony Luck <tony.luck@intel.com>
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