linux-kernel - Re: [PATCH 04/17] pda_power: remove IRQF_SAMPLE

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Message-ID: <20120718041820.GA21747@thunk.org>
Date:	Wed, 18 Jul 2012 00:18:20 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Anton Vorontsov <cbouatmailru@...il.com>
Cc:	Linux Kernel Developers List <linux-kernel@...r.kernel.org>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH 04/17] pda_power: remove IRQF_SAMPLE_RANDOM which is now
 a no-op

On Tue, Jul 17, 2012 at 09:00:09PM -0700, Anton Vorontsov wrote:
> On Tue, Jul 17, 2012 at 05:32:23PM -0400, Theodore Ts'o wrote:
> > With the changes in the random tree, IRQF_SAMPLE_RANDOM is now a
> > no-op; interrupt randomness is now collected unconditionally in a very
> > low-overhead fashion; see commit 775f4b297b.  The IRQF_SAMPLE_RANDOM
> > flag was scheduled to be removed in 2009 on the
> > feature-removal-schedule, so this patch is preparation for the final
> > removal of this flag.
> > 
> > Signed-off-by: "Theodore Ts'o" <tytso@....edu>
> > Cc: Anton Vorontsov <cbou@...l.ru>
> > Cc: David Woodhouse <dwmw2@...radead.org>
> > ---
> 
> Applied, thanks!

My original plan was to carry the patch in the random.git tree, so
that it only gets applied after the new random interrupt sampling
commit has gone in.  If you carry it in your tree, then the
/dev/random seeding for your platform will be worse until the
random.git tree is merged in.....

					- Ted
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