Re: [PATCH net] htb: call qdisc_root with rcu read lock held

2016-06-15 Thread David Miller
From: Florian Westphal Date: Tue, 14 Jun 2016 06:16:27 +0200 > saw a debug splat: > net/include/net/sch_generic.h:287 suspicious rcu_dereference_check() usage! > other info that might help us debug this: > rcu_scheduler_active = 1, debug_locks = 0 > 2 locks held by kworker/2:1/710: > #0: ("ev

Re: [PATCH net] htb: call qdisc_root with rcu read lock held

2016-06-14 Thread Cong Wang
On Mon, Jun 13, 2016 at 9:16 PM, Florian Westphal wrote: > saw a debug splat: > net/include/net/sch_generic.h:287 suspicious rcu_dereference_check() usage! > other info that might help us debug this: > rcu_scheduler_active = 1, debug_locks = 0 > 2 locks held by kworker/2:1/710: > #0: ("events"

[PATCH net] htb: call qdisc_root with rcu read lock held

2016-06-13 Thread Florian Westphal
saw a debug splat: net/include/net/sch_generic.h:287 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 0 2 locks held by kworker/2:1/710: #0: ("events"){.+.+.+}, at: [] #1: ((&q->work)){+.+...}, at: [] process_one_wor