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8 lines
339 B
Text
8 lines
339 B
Text
What: tcp_dma_copybreak sysctl
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Date: Removed in kernel v3.13
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Contact: Dan Williams <dan.j.williams@intel.com>
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Description:
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Formerly the lower limit, in bytes, of the size of socket reads
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that will be offloaded to a DMA copy engine. Removed due to
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coherency issues of the cpu potentially touching the buffers
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while dma is in flight.
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