Stephen Hemminger 15e1674de7 vmbus: add prefetch to ring buffer iterator ...

When iterating over incoming ring elements from the host, prefetch
the next descriptor so that it is cache hot.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-07-17 17:16:05 +02:00

12 KiB

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