Re: [PATCH] SCSI: fix isa/pcmcia compile problem

[James Bottomley]

On Mon, 2008-01-21 at 09:56 +0000, Christoph Hellwig wrote:
> On Fri, Jan 18, 2008 at 04:20:40PM +0900, Tejun Heo wrote:
> > aha152x.c and fdomain are built twice - once for the isa driver and
> > once for the PCMCIA one.  Through #ifdefs, the compiled codes are
> > slightly different; thus, global symbols need to be given different
> > names depending on which flavor is being built.  This patch adds
> > GLOBAL() macro to aha152x.h and fdomain.h which change the symbol
> > depending on PCMCIA.
> > 
> > This bug has always existed but has been masked by the fact the
> > drivers/scsi/pcmcia used subdir-(y|m) instead of obj-(y|m) which made
> > drivers/scsi/pcmcia/built_in.o not linked into the kernel and thus
> > avoided the duplicate symbols during compilation.
> 
> The right fix would be to compile it only once and attach it to both
> busses.  It would be nice if someone could look into that instead of
> hacking around the issue.

I agree in principle, but without the hardware such a change would be
untested ... which is what makes me worry about it.

James


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