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SubjectRe: [PATCH v2 net-next 1/4] net: implement support for low latency socket polling
> diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
> index f98ca63..cfcf0ea 100644
> --- a/Documentation/networking/ip-sysctl.txt
> +++ b/Documentation/networking/ip-sysctl.txt
> @@ -19,6 +19,11 @@ ip_no_pmtu_disc - BOOLEAN
> Disable Path MTU Discovery.
> default FALSE
>
> +ip_low_latency_poll - INTEGER
> + Low latency busy poll timeout. (needs CONFIG_INET_LL_RX_POLL)
> + Approximate time in ms to spin waiting for packets on the device queue.
> + default 0

Can you document the suggested value here?

Also I would add something like "may increase power usage"

The other thing I would add is a linuxmib statistic counter so that
we can see the polling happens.

-Andi
--
ak@linux.intel.com -- Speaking for myself only.


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