linux-kernel - Re: [-mm patch] i386: enable 4k stacks by default

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Message-ID: <20070430113044.GJ21015@kernel.dk>
Date:	Mon, 30 Apr 2007 13:30:45 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Christoph Hellwig <hch@...radead.org>, Neil Brown <neilb@...e.de>,
	Zan Lynx <zlynx@....org>, Adrian Bunk <bunk@...sta.de>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [-mm patch] i386: enable 4k stacks by default

On Mon, Apr 30 2007, Christoph Hellwig wrote:
> On Mon, Apr 30, 2007 at 06:55:52PM +1000, Neil Brown wrote:
> > On Saturday April 28, zlynx@....org wrote:
> > > On Sat, 2007-04-28 at 21:19 +0200, Adrian Bunk wrote:
> > > > 4k stacks have become a well-tested feature used fore a long time in
> > > > Fedora and even in RHEL 4.
> > > 
> > > So has anyone fixed the bugs involving ext3 and LVM snapshots on top of
> > > DM mirror?
> > 
> > Well -mm has a patch which makes stacked block devices much less of an
> > issue, but this hasn't made it -linus yet - I think the dm developer
> > isn't happy that dm works properly with it.
> 
> I get a little tired about this objection.  If the particular dm code
> was racy before and this can in theory make it worse it's their problem,
> and putting in perfectly fine code will give them an incentive to
> fix their year old race.

Agree, Neil would you mind if I merged the patch?

-- 
Jens Axboe

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