linux-kernel - Re: [RFC PATCH 1/5] net: implement support for low latency socket polling

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Message-ID: <1362408768.15793.89.camel@edumazet-glaptop>
Date:	Mon, 04 Mar 2013 06:52:48 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Eliezer Tamir <eliezer.tamir@...ux.intel.com>
Cc:	Eliezer Tamir <eliezer.tamir@...ux.jf.intel.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Dave Miller <davem@...emloft.net>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	e1000-devel@...ts.sourceforge.net,
	Willem de Bruijn <willemb@...gle.com>,
	Andi Kleen <andi@...stfloor.org>, HPA <hpa@...or.com>,
	Eliezer Tamir <eliezer@...ir.org.il>
Subject: Re: [RFC PATCH 1/5] net: implement support for low latency socket
 polling

On Mon, 2013-03-04 at 10:43 +0200, Eliezer Tamir wrote:

> One could for example increment the generation id every time the RTNL is 
> taken. or is this too much?

RTNL is taken for a lot of operations, it would be better to have a
finer grained increment.


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