linux-kernel - Re: 2.6.22-rc6-mm1

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Message-Id: <20070629140130.59d58c44.akpm@linux-foundation.org>
Date:	Fri, 29 Jun 2007 14:01:30 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Valdis.Kletnieks@...edu
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.22-rc6-mm1

On Fri, 29 Jun 2007 10:50:30 -0400
Valdis.Kletnieks@...edu wrote:

> On Thu, 28 Jun 2007 03:43:21 PDT, Andrew Morton said:
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc6/2.6.22-rc6-mm1/
> 
> Configures, builds, boots on first try.  Dell Latitude D820 laptop, T7200 CPU,
> x86_64 kernel.  Doesn't break any of the out-of-tree stuff I use.
> 
> >   `make oldconfig', your kernel probably won't work.  I lost useful things
> >   like CONFIG_BLK_DEV and the whole SCSI system, because they were added after
> >   I generated my .config.
> 
> Odd - just for grins, I checked what 'make oldconfig' did when handed a .config
> from 22-rc4-mm2, and it behaved just fine, much to my surprise.

That's probably because your old config file was relatively recent, and
had things like CONFIG_BLK_DEV=y in it.

But those people who are still dragging around old config files which
predate the introduction of CONFIG_BLK_DEV will find that 2.6.22-rc6-mm1
oldconfig will give them CONFIG_BLK_DEV=n instead of current mainline's
deafult of CONFIG_BLK_DEV=y.

I think making BLK_DEV deafult to n was a bit dumb, so I dropped the
offending patches.

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