linux-kernel - Re: 2.6.26-rc2-mm1 (p9 build error when 9P

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Message-Id: <20080514200435.66f30c72.akpm@linux-foundation.org>
Date:	Wed, 14 May 2008 20:04:35 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Eric Van Hensbergen" <ericvh@...il.com>
Cc:	randy.dunlap@...cle.com, linux-kernel@...r.kernel.org,
	v9fs-developer@...ts.sourceforge.net
Subject: Re: 2.6.26-rc2-mm1 (p9 build error when 9P_FS=n)

On Wed, 14 May 2008 21:29:08 -0500 "Eric Van Hensbergen" <ericvh@...il.com> wrote:

> On Wed, May 14, 2008 at 7:05 PM, Andrew Morton
> <akpm@...ux-foundation.org> wrote:
> > On Wed, 14 May 2008 19:00:12 -0500
> > "Eric Van Hensbergen" <ericvh@...il.com> wrote:
> >
> > But I'm still reverting the v9fs tree due to
> >
> > git-v9fs is causing i386 allmodconfig failures:
> >
> > net/9p/trans_fd.o: In function `init_module':
> > trans_fd.c:(.init.text+0x0): multiple definition of `init_module'
> > net/9p/mod.o:mod.c:(.init.text+0x0): first defined here
> > /opt/crosstool/gcc-4.1.0-glibc-2.3.6/i686-unknown-linux-gnu/bin/i686-unknown-linux-gnu-ld: Warning: size of symbol `init_module' changed from 27 in net/9p/mod.o to 128 in net/9p/trans_fd.o
> >
> 
> Okay, clearly I'm doing something wrong.  I've tried the allmodconfig
> on my local sandbox and its fine.  When I look to see if there is
> still a module_init in net/9p/trans_fd on kernel.org via gitweb, I
> can't find it. (http://git.kernel.org/?p=linux/kernel/git/ericvh/v9fs.git;a=blob;f=net/9p/trans_fd.c;h=4507f744f44e527cc140b6b5601e556c10bfd361;hb=v9fs-devel)

It has mysteriously gone away.  Perhaps it was triggered by some other
tree which was later fixed.

> Are you pulling from my v9fs-devel tree or is --mm switched over to
> pull from linux-next or something?

The algorithm to determine this is to look at the first line of -mm's
git-v9fs.patch:

ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.26-rc2/2.6.26-rc2-mm1/broken-out/git-v9fs.patch
has:

GIT 38bfbd9f766f0b33de6bc16fd9ad1018b8fd3fe2 git+ssh://master.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs.git#v9fs-devel

Yes, -mm uses both linux-next and git-v9fs (aka #v9fs-devel)

linux-next uses #for-next and afacit that was empty as of a few hours
ago.  Nothing for 2.6.27?
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