RE: FUSYN and RT

["Sven Dietrich" <sdietrich@mvista.com>]

> > > 
> > 	/** A fuqueue, a prioritized wait queue usable from
> kernel space. */
> > 	struct fuqueue {
> > 	        spinlock_t lock;        
> > 	        struct plist wlist;
> > 	        struct fuqueue_ops *ops;
> > 	};
> > 
> 
> Would the above spinlock_t be a raw_spinlock_t? This goes
> back to my first question. I'm not sure how familiar you are 
> with Ingo's work, but he has turned all spinlocks into 
> mutexes, and when you really need an original spinlock, you 
> declare it with raw_spinlock_t.  
> 

This one probably should be a raw_spinlock. 
This lock is only held to protect access to the queues.
Since the queues are already priority ordered, there is
little benefit to ordering -the order of insertion-
in case of contention on a queue, compared with the complexity.

Just what you want to say to a guy who says he is tired  ;)

Sven



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