linux-kernel - Re: [pchecks v2 2/2] percpu: Add preemption checks to __this

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Message-ID: <20131004083741.GB1658@gmail.com>
Date:	Fri, 4 Oct 2013 10:37:41 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Christoph Lameter <cl@...ux.com>, Tejun Heo <tj@...nel.org>,
	akpm@...uxfoundation.org, Steven Rostedt <srostedt@...hat.com>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [pchecks v2 2/2] percpu: Add preemption checks to __this_cpu ops


* Peter Zijlstra <peterz@...radead.org> wrote:

> > @@ -39,8 +39,8 @@ notrace unsigned int debug_smp_processor
> >  	if (!printk_ratelimit())
> >  		goto out_enable;
> >  
> > -	printk(KERN_ERR "BUG: using smp_processor_id() in preemptible [%08x] "
> > -			"code: %s/%d\n",
> > +	printk(KERN_ERR "%s in preemptible [%08x] "
> > +			"code: %s/%d\n", what,
> >  			preempt_count() - 1, current->comm, current->pid);
> 
> I would argue for keeping the "BUG" string intact and in front of the
> %s.

Definitely.

Thanks,

	Ingo
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