linux-kernel - Re: try_to_freeze() called with IRQs disabled on ARM

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Message-ID: <OF3526BDDC.47424131-ONC1257918.00614DE3-C1257918.006195CC@de.ibm.com>
Date:	Tue, 27 Sep 2011 19:45:53 +0200
From:	Ulrich Weigand <Ulrich.Weigand@...ibm.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	linaro-toolchain@...ts.linaro.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Martin Schwidefsky <martin.schwidefsky@...ibm.com>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Tejun Heo <tj@...nel.org>
Subject: Re: try_to_freeze() called with IRQs disabled on ARM

Russell King - ARM Linux <linux@....linux.org.uk> wrote:
> And yes, we can end up processing the interrupt before the SVC is
> executed, which is still a hole.  So we need to avoid doing the
> restart in userspace - which might actually make things easier.
> I'll take a look into that over the weekend.

Hi Russell, I was wondering whether is there any news on this?
If you do rewrite the signal handler processing, please let me
know so I can update GDB accordingly ...  Thanks!


Mit freundlichen Gruessen / Best Regards

Ulrich Weigand

--
  Dr. Ulrich Weigand | Phone: +49-7031/16-3727
  STSM, GNU compiler and toolchain for Linux on System z and Cell/B.E.
  IBM Deutschland Research & Development GmbH
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