Re: [PATCH 01/16] freezer: fix current->state restoration race inrefrigerator()

[Tejun Heo]

Hello, Rafael.

On Fri, Aug 19, 2011 at 11:08:59PM +0200, Rafael J. Wysocki wrote:
> On Friday, August 19, 2011, Tejun Heo wrote:
> > refrigerator() saves current->state before entering frozen state and
> > restores it before returning using __set_current_state(); however,
> > this is racy, for example, please consider the following sequence.
> > 
> > 	set_current_state(TASK_INTERRUPTIBLE);
> > 	try_to_sleep();
> 
> Did you mean try_to_freeze() here?

Heh, yeah, I'm constantly being confused among try_to_freeze(),
try_to_sleep() and try_to_wake_up().  Will update. ;)

Thanks.

-- 
tejun
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