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Re: OT: non SMP support in 2.4.20-rc?

To: Greg Freemyer <freemyer@xxxxxxxxxxxxxxxxx>
Subject: Re: OT: non SMP support in 2.4.20-rc?
From: Keith Owens <kaos@xxxxxxx>
Date: Thu, 28 Nov 2002 09:21:19 +1100
Cc: xfs mailing list <linux-xfs@xxxxxxxxxxx>
In-reply-to: Your message of "Wed, 27 Nov 2002 13:06:41 CDT." <20021127180835.SDHM3259.imf07bis.bellsouth.net@TAZ2>
Sender: linux-xfs-bounce@xxxxxxxxxxx
Resend, original had problems.

On Wed, 27 Nov 2002 13:06:41 -0500, 
Greg Freemyer <freemyer@xxxxxxxxxxxxxxxxx> wrote:
>Ever since CVS was updated to work with 2.4.20-rc kernels I have been unable 
>to successfully compile with SMP not enabled.
>
>If I have it enabled via make menuconfig all works well.
>
>If I make that one change, then make dep; make bzImage, it errors out with the 
>below.
>
>Am I doing something wrong, or is there a generic problem with this kernel?
>In file included from 
>/usr/local/TruStore/xfs_src/linux-2.4-xfs/linux/include/linux/modversions.h:67,
>                 from 
> /usr/local/TruStore/xfs_src/linux-2.4-xfs/linux/include/linux/module.h:21,
>                 from ksyms.c:14:
>/usr/local/TruStore/xfs_src/linux-2.4-xfs/linux/include/linux/modules/dec_and_lock.ver:2:
> warning: `atomic_dec_and_lock' redefined

You must make mrproper (save .config first) before switching from SMP
to UP or vice versa, especially when you build with module versions.
It is a kernel build restriction that is unfixable with the current
design.


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