linux-kernel - Re: Undefined '.bus_to_virt', '.virt_to_bus' causes compile error on Powerpc 64-bit

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Message-ID: <Pine.LNX.4.60.0610032236510.3937@poirot.grange>
Date:	Tue, 3 Oct 2006 22:58:28 +0200 (CEST)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	Adrian Bunk <bunk@...sta.de>
cc:	Judith Lebzelter <judith@...l.org>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org
Subject: Re: Undefined '.bus_to_virt', '.virt_to_bus' causes compile error
 on Powerpc 64-bit

On Tue, 3 Oct 2006, Adrian Bunk wrote:

> On Mon, Oct 02, 2006 at 02:49:54PM -0700, Judith Lebzelter wrote:
> 
> > For the automated cross-compile builds at OSDL, powerpc 64-bit 
> > 'allmodconfig' is failing.  The warnings/errors below appear in 
> > the 'modpost' stage of kernel compiles for 2.6.18 and -mm2 kernels.
> 
> known for ages - the drivers need fixing.

...

> > WARNING: ".bus_to_virt" [drivers/scsi/tmscsim.ko] undefined!

The problem with this one is that the code path, where bus_to_virt is 
used, is only executed under some very exotic circumstances, i.e., 
is practically untestable. I'll try to cook something up for that...

Thanks
Guennadi
---
Guennadi Liakhovetski
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