From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>
Subject: Re: [patch 09/11] s390/irqs: Do not trace arch_local_{*,irq_*} functions
Date: Mon, 4 Jul 2011 10:10:53 +0200 [thread overview]
Message-ID: <20110704101053.38717f0b@mschwide> (raw)
In-Reply-To: <20110702033854.283591061@goodmis.org>
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.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
next prev parent reply other threads:[~2011-07-04 8:11 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20110702030435.308336775@goodmis.org>
2011-07-02 3:04 ` [patch 01/11] x86/irqs: Do not trace arch_local_{*,irq_*} functions Steven Rostedt
2011-07-07 0:51 ` Steven Rostedt
2011-07-07 21:43 ` [tip:perf/core] tracing, x86/irq: Do not trace arch_local_{*,irq_*}() functions tip-bot for Steven Rostedt
2011-07-02 3:04 ` [patch 02/11] arm/irqs: Do not trace arch_local_{*,irq_*} functions Steven Rostedt
2011-07-02 3:04 ` [patch 03/11] blackfin/irqs: " Steven Rostedt
2011-07-02 6:50 ` Mike Frysinger
2011-07-02 16:11 ` Steven Rostedt
2011-07-02 16:39 ` Mike Frysinger
2011-07-02 16:40 ` Mike Frysinger
2011-07-05 12:51 ` Steven Rostedt
2011-07-05 16:20 ` Mike Frysinger
2011-07-05 19:07 ` Mike Frysinger
2011-07-05 19:13 ` Steven Rostedt
2011-07-05 19:25 ` Mike Frysinger
2011-07-02 3:04 ` [patch 04/11] ia64/irqs: " Steven Rostedt
2011-07-02 3:04 ` [patch 05/11] microblaze/irqs: " Steven Rostedt
2011-07-05 10:43 ` Michal Simek
2011-07-05 12:49 ` Steven Rostedt
2011-07-02 3:04 ` [patch 06/11] mips/irqs: " Steven Rostedt
2011-07-02 3:04 ` [patch 07/11] parisc/irqs: " Steven Rostedt
2011-07-02 3:04 ` [patch 08/11] powerpc/irqs: " Steven Rostedt
2011-07-02 3:04 ` [patch 09/11] s390/irqs: " Steven Rostedt
2011-07-04 8:10 ` Martin Schwidefsky [this message]
2011-07-05 12:49 ` Steven Rostedt
2011-07-02 3:04 ` [patch 10/11] sh/unicore32/irqs: " Steven Rostedt
2011-07-04 1:56 ` Guan Xuetao
2011-07-05 12:50 ` Steven Rostedt
2011-07-11 3:34 ` Paul Mundt
2011-07-13 1:36 ` Steven Rostedt
2011-07-02 3:04 ` [patch 11/11] sparc/irqs: " Steven Rostedt
2011-07-02 4:11 ` David Miller
2011-07-05 12:49 ` Steven Rostedt
2011-07-06 6:43 ` David Miller
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