linux-kernel - Re: linux-next: build warning after merge of the ftrace tree

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Message-ID: <20140605024913.4c8cad55@canb.auug.org.au>
Date:	Thu, 5 Jun 2014 02:49:13 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Fengguang Wu <fengguang.wu@...el.com>
Subject: Re: linux-next: build warning after merge of the ftrace tree

Hi Steve,

On Wed, 4 Jun 2014 12:26:12 -0400 Steven Rostedt <rostedt@...dmis.org> wrote:
>
> On Wed, 4 Jun 2014 16:09:21 +1000
> Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> > After merging the ftrace tree, today's linux-next build (x86_64 allmodconfig)
> > produced this warning:
> > 
> > kernel/trace/trace_benchmark.c: In function 'trace_do_benchmark':
> > kernel/trace/trace_benchmark.c:38:6: warning: unused variable 'seedsq' [-Wunused-variable]
> >   u64 seedsq;
> >       ^
> > 
> > Introduced by commit 81dc9f0ef21e ("tracing: Add tracepoint benchmark tracepoint").
> 
> Hmm, I don't know why my tests missed this. I do a allmodconfig looking
> for new warning messages too. Oh, but I do need to add this config to my
> regular testing config :-/
> 
> I'm surprised Wu's bot didn't report it either.
> 
> I'm not going to rebase, but I'll add a patch to nuke it.

Correct behaviour!  :-)

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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