Date: Thu, 29 Oct 2009 06:57:21 +0100
From: Sam Ravnborg <sam@ravnborg.org>
To: Bob Tracy <rct@gherkin.frus.com>
Cc: linux-kernel@vger.kernel.org, debian-alpha@lists.debian.org
Subject: Re: [BUG] 2.6.32-rc5 build failure on Alpha
Message-ID: <20091029055721.GA20758@merkur.ravnborg.org>
References: <20091029053947.GA9872@gherkin.frus.com>
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On Thu, Oct 29, 2009 at 12:39:47AM -0500, Bob Tracy wrote:
> On Wed, Oct 28, 2009 at 10:53:05PM -0500, Bob Tracy wrote:
> > Mainline 2.6.32-rc5 kernel build failure.  The last few lines of the kernel
> > build output are:
> > 
> >   LD      vmlinux.o
> >   MODPOST vmlinux.o
> > WARNING: "saved_config" [vmlinux] is COMMON symbol
> >   GEN     .version
> >   CHK     include/linux/compile.h
> >   UPD     include/linux/compile.h
> >   CC      init/version.o
> >   LD      init/built-in.o
> >   LD      .tmp_vmlinux1
> > arch/alpha/kernel/vmlinux.lds:241: undefined symbol `THREAD_SIZE' referenced in expression
> > make: *** [.tmp_vmlinux1] Error 1
> 
> > In arch/alpha/include/asm/thread_info.h, THREAD_SIZE is defined as
> > (2*PAGE_SIZE).
> 
> Ok.  Found it.  The THREAD_SIZE definition is inside a
> "#ifndef __ASSEMBLY__" block, so it never gets referenced (because
> "__ASSEMBLY__" is defined for the "vmlinux.lds" build).  The obvious
> suggested fix is to move the definition outside the block.

A patch doing this has been posted some time ago.
I think/hope it is in -mm if it is not yet in -linus.

	Sam
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