linux-kernel - Re: [GIT PULL] tracing fixes

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Message-ID: <20091001190210.GA23159@elte.hu>
Date:	Thu, 1 Oct 2009 21:02:10 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Christoph Hellwig <hch@....de>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Fr??d??ric Weisbecker <fweisbec@...il.com>
Subject: Re: [GIT PULL] tracing fixes


* Christoph Hellwig <hch@....de> wrote:

> On Mon, Sep 21, 2009 at 06:22:11PM +0200, Ingo Molnar wrote:
> > Hm, yes, you are right, we missed that. I noticed the modpost 
> > dependency:
> > 
> >   http://marc.info/?l=linux-kernel&m=125326944223679&w=2
> > 
> > but thought that it's safe and didnt notice that dangling 
> > module_layout() reference and the build warning it generates in the 
> > kernel.
> > 
> > I _think_ the patch below should do the trick - module_layout() appears 
> > to be an artificial symbol with 'significant' symbols listed in its 
> > argument list so that it gets a proper signature. Removing the marker 
> > symbol should thus be the solution, but i'm not 100% sure. Thoughts?
> > 
> > 	Ingo
> 
> Looks good to me, Linus?
> 
> > diff --git a/kernel/module.c b/kernel/module.c
> > index b6ee424..392eb3d 100644
> > --- a/kernel/module.c
> > +++ b/kernel/module.c
> > @@ -2947,7 +2947,6 @@ void module_layout(struct module *mod,
> >  		   struct modversion_info *ver,
> >  		   struct kernel_param *kp,
> >  		   struct kernel_symbol *ks,
> > -		   struct marker *marker,
> >  		   struct tracepoint *tp)
> >  {
> >  }
> ---end quoted text---

Yep, already pushed that to Linus some time ago:

  115e8a2: modules, tracing: Remove stale struct marker signature from module_layout()

	Ingo
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