On Mon, Jun 04, 2001 at 03:46:29PM -0400, Pete Zaitcev wrote:
<...>
> The urb->lock is used intelligently in uhci.c,
> but usb-uhci does not use it at all. Everywhere
> usb-uhci asserts urb->lock, s->urb_list_lock is
> taken already, so urb->lock is totally redundant.
> [Side note: process_urb is exception, but
> 1. it violates lock order by dropping and taking urb_list_lock;
Can you be a bit more specific why you are considering the lock order as a
holy cow? The order is unconventional, but it works and prohibits the
simultaneous completion and unlink, there's IMHO no deadlock possibility.
--
Georg Acher, [EMAIL PROTECTED]
http://www.in.tum.de/~acher/
"Oh no, not again !" The bowl of petunias
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