linux-kernel - Re: [patch 11/11] sparc/irqs: Do not trace arch_local_{*,irq

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Message-Id: <20110701.211125.1336236217021544514.davem@davemloft.net>
Date:	Fri, 01 Jul 2011 21:11:25 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	rostedt@...dmis.org
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [patch 11/11] sparc/irqs: Do not trace arch_local_{*,irq_*}
 functions

From: Steven Rostedt <rostedt@...dmis.org>
Date: Fri, 01 Jul 2011 23:04:46 -0400

> From: Steven Rostedt <srostedt@...hat.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: "David S. Miller" <davem@...emloft.net>
> Signed-off-by: Steven Rostedt <rostedt@...dmis.org>

Acked-by: David S. Miller <davem@...emloft.net>
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