Alan Stern wrote, On 12/04/2007 04:17 PM: ... > Furthermore, in this case deadlock isn't really impossible -- it could > occur if there were a bug somewhere else in the kernel. So lockdep was > correct to warn that deadlock might occur. Alan, if the scenario was like you described at the beginning, there was no deadlock possible, unless some errors in the notifier. These #1-#3 threads were only helpful to guess what lockdep could 'think', but I guess notifier doesn't use 2 rivaling threads for a wake, so, lockdep probably needed additional information. And you really can't consider any hypothetical kernel bugs here because then each lock is vulnerable. Regards, Jarek P. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
