linux-kernel - Re: Warning from ring buffer code (Was: Re: linux-next: tip tree build warning)

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Message-Id: <20090912204630.b1e355c5.sfr@canb.auug.org.au>
Date:	Sat, 12 Sep 2009 20:46:30 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Steven Rostedt <srostedt@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Warning from ring buffer code (Was: Re: linux-next: tip tree
 build warning)

Hi Ingo,

On Sat, 12 Sep 2009 09:39:06 +0200 Ingo Molnar <mingo@...e.hu> wrote:
>
> * Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> > On Tue, 04 Aug 2009 12:24:49 -0400 Steven Rostedt <srostedt@...hat.com> wrote:
> > >
> > > On Tue, 2009-08-04 at 16:16 +1000, Stephen Rothwell wrote:
> > > > 
> > > > Today's linux-next build (powerpc ppc64_defconfig) produced these warnings:
> > > > 
> > > > kernel/trace/ring_buffer.c: In function 'rb_head_page_set':
> > > > kernel/trace/ring_buffer.c:704: warning: initialization makes pointer from integer without a cast
> > > > kernel/trace/ring_buffer.c:704: warning: initialization makes pointer from integer without a cast
> > > > kernel/trace/ring_buffer.c: In function 'rb_head_page_replace':
> > > > kernel/trace/ring_buffer.c:797: warning: initialization makes integer from pointer without a cast
> > > > 
> > > > Introduced by commit 77ae365eca895061c8bf2b2e3ae1d9ea62869739
> > > > ("ring-buffer: make lockless").
> > > 
> > > Thanks, I'll take a look at it.
> > 
> > Now that this is in Linus' tree, can we have a fix for the waning, 
> > please?
> 
> The first warning got fixed 1.5 months ago - the second one at line 
> 797 is still there but harmless - you can ignore it for now, it will 
> be fixed.

Well linux-next builds still gave both warnings yesterday, so I was just
asking to make sure they were not forgotten.

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

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