From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Xenomai <xenomai@xenomai.org>
Subject: Re: [Xenomai] Inconsistent traced Linux IRQ state on ARM
Date: Fri, 11 Jul 2014 14:02:29 +0200 [thread overview]
Message-ID: <53BFD255.203@xenomai.org> (raw)
In-Reply-To: <53BF7A2A.7020302@siemens.com>
On 07/11/2014 07:46 AM, Jan Kiszka wrote:
> Gilles,
>
> we see an warning about an inconsistency of the Linux IRQ state on ARM
> with CONFIG_PROVE_LOCKING and, thus, CONFIG_TRACE_IRQFLAGS. I just
> browsed code and history and stumbled over 11a959bf53 ("ipipe/arm:
> disable calls to trace_hardirqs_(on|off) from assembly", ipipe-3.4.6),
> the only obvious related delta between vanilla and the ipipe kernel. Can
> you comment on both why you disabled it and if you think it could
> explain our observation?
I have no idea, could you try reverting the commit and see if it changes
anything?
--
Gilles.
next prev parent reply other threads:[~2014-07-11 12:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-11 5:46 [Xenomai] Inconsistent traced Linux IRQ state on ARM Jan Kiszka
2014-07-11 12:02 ` Gilles Chanteperdrix [this message]
2014-07-12 11:27 ` Gilles Chanteperdrix
2014-07-14 7:01 ` Jan Kiszka
2014-07-14 12:03 ` Gilles Chanteperdrix
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