linux-kernel - Re: [PATCH 18/28] kbuild: fail kernel compilation in case of unresolved module symbols

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Message-ID: <20060924224740.GB28051@uranus.ravnborg.org>
Date:	Mon, 25 Sep 2006 00:47:40 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Al Viro <viro@....linux.org.uk>
Cc:	linux-kernel@...r.kernel.org, Kirill Korotaev <dev@...nvz.org>,
	Andrey Mirkin <amirkin@...ru>, Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH 18/28] kbuild: fail kernel compilation in case of unresolved module symbols

On Sun, Sep 24, 2006 at 11:36:43PM +0100, Al Viro wrote:
> On Mon, Sep 25, 2006 at 12:35:34AM +0200, Sam Ravnborg wrote:
> > On what architectures do you see lots of these warnings - maybe fixable?
> > Otherwise I could do something like this:
> 
> Try allmodconfig someday...

My cross-compile setup severely broke due to me changing dev-machine.
Will restore it when I get my hand on a proper dev machine again - current
box consumes too much power for normal use (almost 300W) and is not much
quicker than my older amd64 box :-(

> 
> aviro@icy:/usr/src/cross-kernel/volatile/work$ grep -l WARNING.*undefined ../logs/*/X4c
> ../logs/alpha-SMP/X4c
> ../logs/alpha/X4c
> ../logs/arm/X4c
> ../logs/armv/X4c
> ../logs/chestnut/X4c
> ../logs/frv/X4c
> ../logs/ia64/X4c
> ../logs/m32r/X4c
> ../logs/m68k/X4c
> ../logs/ppc/X4c
> ../logs/ppc44x/X4c
> ../logs/ppc64/X4c
> ../logs/s390/X4c
> ../logs/s390x/X4c
> ../logs/sparc32/X4c
> ../logs/sparc64/X4c
> ../logs/sun3/X4c
> ../logs/sun4/X4c
> ../logs/uml-i386/X4c
> 
> That's out of 25 targets.  The only variants that do _NOT_ trigger are
> amd64, amd64-UP, i386 and uml-amd64.

How many of these ougth to be fixed then?
> 
> I more or less agree with rationale behind making that default, but I'd
> very much appreciate a way to override that.  For now I've just made the
> -w line unconditional, but the fewer infrastructure patches I've to carry...
OK. Will include it in next round of kbuild updates.

	Sam
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