Re: Do not deprecate binary semaphore or do allow mutex in softwareinterrupt contexts

[Alan Cox]

> to be honest, the scenario describe really smells of broken locking, in
> fact it really sounds like it wants to use spinlocks instead 

For polling and timer based code its often simpler to do

	del_timer_sync(&my_timer);
	FrobStuff
	add_timer(&my_timer);

especially if "FrobStuff" is likely to change when you next need to poll.

And don't forget regular polling is a good way to really annoy laptop
users as it burns power

Alan

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