From: Arjan van de Ven <[EMAIL PROTECTED]> Date: Fri, 07 Jul 2006 20:13:09 +0200
> Now a question for netdev: what is the interrupt-or-softirq rules for > the sk_receive_queue.lock? > > Anyway, the patch below fixes this deadlock; it may or may not be the > correct solution depending on the netdev answer, but the deadlock is > gone ;) The lockdep fixes are starting to cause us to go in and start adding hard IRQ protection to many socket layer objects and I want this thinking to end quickly :) The netlink wireless fix is another example of this, but I accept the temporary fix for that one for the time being. To reiterate, nothing socket or SKB level should be taking anything deeper than software IRQ locking. If drivers manage local SKB queues in hard IRQ context, they need to use a seperate lockdep identifier for that queue's lock. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
