try_to_freeze() called with IRQs disabled on ARM

[Russell King - ARM Linux]

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 at 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.