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| author | K. Y. Srinivasan <kys@microsoft.com> | 2016-04-03 02:59:51 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-30 23:00:19 +0200 |
| commit | ab028db41ca9174caab7f9e3fc0a2e7f4a418410 (patch) | |
| tree | aade0922354180b470a56283451e52074c03faab /Documentation/binfmt_misc.txt | |
| parent | Drivers: hv: vmbus: Move some ring buffer functions to hyperv.h (diff) | |
| download | linux-ab028db41ca9174caab7f9e3fc0a2e7f4a418410.tar.xz linux-ab028db41ca9174caab7f9e3fc0a2e7f4a418410.zip | |
Drivers: hv: vmbus: Implement APIs to support "in place" consumption of vmbus packets
Implement APIs for in-place consumption of vmbus packets. Currently, each
packet is copied and processed one at a time and as part of processing
each packet we potentially may signal the host (if it is waiting for
room to produce a packet).
These APIs help batched in-place processing of vmbus packets.
We also optimize host signaling by having a separate API to signal
the end of in-place consumption. With netvsc using these APIs,
on an iperf run on average I see about 20X reduction in checks to
signal the host.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/binfmt_misc.txt')
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