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Subject: Re: [patch 09/11] s390/irqs: Do not trace arch_local_{*,irq_*}
 functions
From: Steven Rostedt <rostedt@goodmis.org>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>,
        Heiko Carstens <heiko.carstens@de.ibm.com>
In-Reply-To: <20110704101053.38717f0b@mschwide>
References: <20110702030435.308336775@goodmis.org>
	 <20110702033854.283591061@goodmis.org>  <20110704101053.38717f0b@mschwide>
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Date: Tue, 05 Jul 2011 08:49:43 -0400
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On Mon, 2011-07-04 at 10:10 +0200, Martin Schwidefsky wrote:
> On Fri, 01 Jul 2011 23:04:44 -0400
> Steven Rostedt <rostedt@goodmis.org> wrote:
> 
> > From: Steven Rostedt <srostedt@redhat.com>
> > 
> > Do not trace arch_local_save_flags(), arch_local_irq_*() and friends.
> > Although they are marked inline, gcc may still make a function out of
> > them and add it to the pool of functions that are traced by the function
> > tracer. This can cause undesirable results (kernel panic, triple faults,
> > etc).
> > 
> > Add the notrace notation to prevent them from ever being traced.
> > 
> > Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
> > Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
> > Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
> 
> Applied to git390, thanks Steven.
> 

Thanks Martin,

-- Steve