linux-kernel - Re: [RFC][PATCH 14/18 v2] ftrace/lockdep: Have the RCU lockdep splat show what function triggered

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Message-ID: <20130905155217.03df4d45@gandalf.local.home>
Date:	Thu, 5 Sep 2013 15:52:17 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Jiri Olsa <jolsa@...hat.com>
Subject: Re: [RFC][PATCH 14/18 v2] ftrace/lockdep: Have the RCU lockdep
 splat show what function triggered

On Thu, 5 Sep 2013 21:18:39 +0200
Peter Zijlstra <peterz@...radead.org> wrote:

> On Sat, Aug 31, 2013 at 01:11:31AM -0400, Steven Rostedt wrote:
> > +void print_ftrace_rcu_func(int cpu)
> > +{
> > +	unsigned long ip = per_cpu(ftrace_rcu_func, cpu);
> > +
> > +	if (ip)
> > +		printk("ftrace_rcu_func: %pS\n",
> > +		       (void *)per_cpu(ftrace_rcu_func, cpu));
> > +}
> 
> That's missing { }.

Hmm, that's an interesting point. Why the  { } because I break up the
printk for the 80 character limit?

Although, I'm still not convinced that it needs { }, as it looks to me
that it flows nicely without it. I can't find a place in CodingStyle
that says { } are needed here.

-- Steve
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