Re: [PATCH v9 net-next 5/7] net: simple poll/select low latencysocket poll

From: Eric Dumazet
Date: Wed Jun 05 2013 - 10:17:36 EST

On Wed, 2013-06-05 at 06:56 -0700, Eric Dumazet wrote:

> This looks quite easy, by adding in include/uapi/asm-generic/poll.h
> #define POLL_LL 0x8000
> And do the sk_poll_ll() call only if flag is set.
> I do not think we have to support select(), as its legacy interface, and
> people wanting ll should really use epoll() or poll().

Alternatively, add a per socket flag to enable/disable ll

This global enable assumes the application owns the host anyway.

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