Re: linux-next: build warnings after merge of the moduleh tree

From: Stephen Rothwell
Date: Sun Jul 31 2011 - 20:35:53 EST


On Sun, 31 Jul 2011 04:24:05 -0400 Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx> wrote:
>
> [linux-next: build warnings after merge of the moduleh tree] On 29/07/2011 (Fri 15:25) Stephen Rothwell wrote:
>
> > Hi Paul,
> >
> > After merging the moduleh tree, today's linux-next build (x86_64
> > allmodconfig) produced these warnings:
> >
> > drivers/md/persistent-data/dm-block-manager.c:103:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> [...]
> > drivers/md/persistent-data/dm-space-map-disk.c:634:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> [...]
> > drivers/md/persistent-data/dm-btree.c:146:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> [...]
> > drivers/md/persistent-data/dm-btree-remove.c:569:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
> >
> > I have added the following patch for today:
> >
> > From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> > Date: Fri, 29 Jul 2011 15:16:04 +1000
> > Subject: [PATCH] include export.h to use EXPORT_SYMBOL
> >
> > Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> > ---
> > drivers/md/persistent-data/dm-block-manager.c | 1 +
> > drivers/md/persistent-data/dm-btree-remove.c | 2 ++
> > drivers/md/persistent-data/dm-btree.c | 1 +
> > drivers/md/persistent-data/dm-space-map-disk.c | 1 +
> > 4 files changed, 5 insertions(+), 0 deletions(-)
>
> This one is a bit more interesting. The above files (and actually their
> parent dir) doesn't exist yet in master/HEAD. So I can't patch them
> yet. And the MD maintainers can't patch in export.h usage, since they
> won't have such a header file.
>
> If you didn't want to temporarily carry it, I can think of two things:
> I suppose, since the one single commit that creates export.h is totally
> standalone, and harmless/inert in itself, we could perhaps get it pulled
> independently if it made life easier for others to align to the right
> usage? Or they can just patch in module.h usage and we can downgrade
> them to export.h usage shortly thereafter.

I will carry it for now (as a merge fixup on the moduleh tree. If the
export.h split goes to Linus, then Neil can apply it to his tree, or
Linus can apply it as a merge fixup ehen he merges the latter of the two
trees (as long as someone remember to tell him).

--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
http://www.canb.auug.org.au/~sfr/

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