stephen hemminger 43bf99ce00 netvsc: prefetch the first incoming ring element
In interrupt handler, prefetch the first incoming ring element
so that it is in cache by the time NAPI poll gets to it.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-07-24 17:38:28 -07:00
..