Date: Thu, 17 Jan 2008 23:27:27 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
       fischer@norbit.de, Andy Whitcroft <apw@shadowen.org>,
       Balbir Singh <balbir@linux.vnet.ibm.com>,
       Samuel Ortiz <samuel@sortiz.org>,
       James Bottomley <James.Bottomley@HansenPartnership.com>,
       Tejun Heo <htejun@gmail.com>
Subject: Re: 2.6.24-rc8-mm1 Build Failure on scsi driver
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On Fri, 18 Jan 2008 12:07:27 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:

> Hi Andrew,
> 
> Patch from Tejun Heo fixes the aha152x.c build failure, and following second part
> of the build failure, is still occurring.
> 
> drivers/scsi/fdomain.o:(.data+0x0): multiple definition of `fdomain_driver_template'
> drivers/scsi/pcmcia/built-in.o:(.data+0x5a0): first defined here
> drivers/scsi/fdomain.o: In function `fdomain_16x0_bus_reset':
> /home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:1568: multiple definition of `fdomain_16x0_bus_reset'
> drivers/scsi/pcmcia/built-in.o:/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:1568: first defined here
> drivers/scsi/fdomain.o: In function `__fdomain_16x0_detect':
> /home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:894: multiple definition of `__fdomain_16x0_detect'
> drivers/scsi/pcmcia/built-in.o:/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:894: first defined here
> ld: Warning: size of symbol `__fdomain_16x0_detect' changed from 1206 in drivers/scsi/pcmcia/built-in.o to 1700 in drivers/scsi/fdomain.o
> drivers/scsi/fdomain.o: In function `fdomain_setup':
> /home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:554: multiple definition of `fdomain_setup'
> drivers/scsi/pcmcia/built-in.o:/home/kamalesh/scrap/linux-2.6.24-rc8/drivers/scsi/fdomain.c:554: first defined here

Tejun has more fixing to do, I suspect ;)

I assume a basic allyesconfig will weed out most remaining problems of this
sort.  Problem is, it needs to be done for all architectures (and even that
might not suffice).  So old-fashioned code inspection is also needed.
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