From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: try_to_freeze() called with IRQs disabled on ARM
Date: Tue, 23 Aug 2011 23:13:14 +0100 [thread overview]
Message-ID: <20110823221314.GL3895@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <CAOS58YNuCbaOsWBfmjSUsXsArZ5ng6c0B30yswFbRAWkho6L6Q@mail.gmail.com>
On Wed, Aug 24, 2011 at 12:08:23AM +0200, Tejun Heo wrote:
> On Wed, Aug 24, 2011 at 12:00 AM, Russell King - ARM Linux
> <linux@arm.linux.org.uk> wrote:
> > How does that solve it? ?IRQs disabled from assembly, which doesn't touch
> > the preempt counter.
>
> Then test something else, be it the IRQ mask bit or some other context.
Thereby entirely preventing threads from being frozen? You're asking
me to effectively disable suspend/resume on an architecture where it's
heavily used. That's not a good idea, and would be an out-right
regression.
next prev parent reply other threads:[~2011-08-23 22:13 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-23 15:19 try_to_freeze() called with IRQs disabled on ARM Mark Brown
2011-08-23 15:43 ` Russell King - ARM Linux
2011-08-23 22:08 ` Rafael J. Wysocki
2011-08-23 21:51 ` Rafael J. Wysocki
2011-08-23 21:53 ` Tejun Heo
2011-08-23 22:00 ` Russell King - ARM Linux
2011-08-23 22:08 ` Tejun Heo
2011-08-23 22:13 ` Russell King - ARM Linux [this message]
2011-08-23 22:17 ` Tejun Heo
2011-08-23 22:35 ` Tejun Heo
2011-08-24 23:15 ` Rafael J. Wysocki
2011-08-25 12:14 ` Russell King - ARM Linux
2011-08-25 12:17 ` Tejun Heo
2011-08-25 12:25 ` Russell King - ARM Linux
2011-08-25 12:35 ` Tejun Heo
2011-08-25 13:04 ` Russell King - ARM Linux
2011-08-25 13:09 ` Tejun Heo
2011-08-25 14:55 ` Russell King - ARM Linux
2011-08-26 14:44 ` Arnd Bergmann
2011-09-01 13:41 ` Ulrich Weigand
2011-09-01 14:00 ` Russell King - ARM Linux
2011-09-02 14:47 ` Ulrich Weigand
2011-09-02 17:22 ` Russell King - ARM Linux
2011-09-02 17:40 ` Ulrich Weigand
2011-09-02 17:48 ` Russell King - ARM Linux
2011-09-16 10:31 ` Martin Schwidefsky
2011-09-27 17:45 ` Ulrich Weigand
2011-08-30 20:58 ` Mark Brown
2011-08-30 21:10 ` Russell King - ARM Linux
2012-06-26 16:39 ` Mandeep Singh Baines
2012-06-26 17:16 ` Russell King - ARM Linux
2011-08-23 22:13 ` Rafael J. Wysocki
2011-08-25 11:37 ` Mark Brown
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