RE: prepare_wait / finish_wait question

[Linus Torvalds]

On Tue, 11 Nov 2003, Perez-Gonzalez, Inaky wrote:
> 
> What about some safe wake up mechanism like get_task_struct()/__wake_up()/
> put_task_struct()??

A better solution might be to just make the wakeup function take the 
required runqueue spinlock first, then remove the task from the list, drop 
the wakeup list spinlock, and _then_ do the actual wakeup.

It would require some surgery to the try_to_wake_up() function, though.. 

		Linus

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