linux-kernel - Re: IRQF_SAMPLE

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Message-Id: <1239330439.3342.2.camel@calx>
Date:	Thu, 09 Apr 2009 19:27:19 -0700
From:	Matt Mackall <mpm@...enic.com>
To:	Chris Peterson <cpeterso@...terso.com>
Cc:	Robin Getz <rgetz@...ckfin.uclinux.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: IRQF_SAMPLE_RANDOM question...

On Thu, 2009-04-09 at 18:29 -0700, Chris Peterson wrote:
> > Hmm, this is a purely internal interface. Not sure if we need to bother
> > with scheduling it. My plan was to simply get the new code in and sweep
> > the kernel.
> 
> Matt, sounds like you're volunteering? :)
> 
> >From my understanding, the roadmap looks something like:
> 
> 1. Add checkpatch warning about IRQF_SAMPLE_RANDOM
> 2. Add any new add_*_randomness() functions (e.g. RTC and main clocks?
> Serial or USB interrupts?)
> 3. Remove IRQF_SAMPLE_RANDOM macro (and checkpatch warning)
> 4. Add "pragmatic entropy accounting model"?

Yeah, I just sat down with Ted Tso this evening and hashed out a new
design. More to come.

-- 
http://selenic.com : development and support for Mercurial and Linux


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