On Mon, 16 Jan 2012, Jean Pihet wrote:

> Speaking of the locking, currently a spinlock is used and it could be
> replaced by a more efficient mutex. 

Just a minor observation.  It's not so much that the mutex is more 
efficient.  It's just that mutexes allow interrupt processing on that CPU 
while they are held, unlike spinlocks.  So the use of spinlocks can 
increase the latency to service an interrupt request.  We'd like to keep 
that latency as low as possible.


- Paul
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to