Re: [PATCH v4 net-next 1/4] net: implement support for low latencysocket polling

From: Ben Hutchings
Date: Tue May 21 2013 - 13:27:55 EST

On Tue, 2013-05-21 at 17:26 +0300, Eliezer Tamir wrote:
> Adds a new ndo_ll_poll method and the code that supports and uses it.
> This method can be used by low latency applications to busy poll ethernet
> device queues directly from the socket code. The ip_low_latency_poll sysctl
> entry controls how many cycles to poll. Set to zero to disable.

One more general point: why is this treated as an IPv4 option (in
Kconfig and sysctls)? I don't have any particular expectation that it
will be used with network protocols other than IPv4 and v6 any time
soon, but logically it's not dependent on them.


Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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