linux-kernel - Re: [patch 03/11] blackfin/irqs: Do not trace arch_local_{*,irq

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Message-ID: <CAMjpGUfHw-CO=ydCew5FqG0RLQOMk8+NpVjvBdV4Nv-tiDavqg@mail.gmail.com>
Date:	Sat, 2 Jul 2011 02:50:00 -0400
From:	Mike Frysinger <vapier@...too.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [patch 03/11] blackfin/irqs: Do not trace arch_local_{*,irq_*} functions

On Fri, Jul 1, 2011 at 23:04, Steven Rostedt wrote:
> 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.

what about putting the markings in include/asm-generic/irqflags.h ?
then you wouldnt have to update every arch (or at least, not as much).
-mike
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