Rafael J. Wysocki wrote:
quoted text
> However, using PF_NOFREEZE to prevent this from happening doesn't seem to be
> a good idea.
> 

Indeed but...

quoted text
> I'd probably use wait_event_freezable() (defined in
> include/linux/freezer.h) for that.

...I would just revert this bits from now to make sure this driver
work again for v2.6.24.
 
quoted text
> It tries to send them fake signals and waits for them to freeze.  If
> they don't freeze within the timeout, it fails and clears their
> TIF_FREEZE bits.

But send_fake_signal() seems to wake up task in INTERRUPTIBLE state
only. Looking at signal_wake_up(), it basically do:

	wake_up_state(t, TASK_INTERRUPTIBLE);

What am I missing ?

		Franck

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