linux-kernel - Re: Question about usage of RCU in the input layer

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Message-ID: <20090321141340.3b5ffa4f@infradead.org>
Date:	Sat, 21 Mar 2009 14:13:40 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	paulmck@...ux.vnet.ibm.com, dipankar@...ibm.com,
	linux-input@...r.kernel.org, dmitry.torokhov@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: Question about usage of RCU in the input layer

On Sat, 21 Mar 2009 21:26:08 +0100
Eric Dumazet <dada1@...mosbay.com> wrote:

> > 
> > (svg can be viewed with inkscape, gimp, firefox and various other
> > tools)
> > 
> > 
> 
> Interesting stuff...
> 
> I thought you mentioned i2c drivers being source of the udelays(),
>  but I cant see them in this svg, unless its async_probe_hard ?

yeah that one is doing a ton of i2c

(I'm working on optimizing the code in that area still)

> 


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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