Re: [PATCH] cfg80211: Pass lockdep expression to RCU lists
From: "Paul E. McKenney" <paulmck@kernel.org>
Date: 2020-02-19 12:47:15
Also in:
linux-kernel-mentees, linux-wireless, lkml
Possibly related (same subject, not in this thread)
- 2020-02-19 · Re: [PATCH] cfg80211: Pass lockdep expression to RCU lists · Arend Van Spriel <arend.vanspriel@broadcom.com>
- 2020-02-19 · Re: [PATCH] cfg80211: Pass lockdep expression to RCU lists · Johannes Berg <johannes@sipsolutions.net>
- 2020-02-19 · [PATCH] cfg80211: Pass lockdep expression to RCU lists · Amol Grover <hidden>
On Wed, Feb 19, 2020 at 10:13:36AM +0100, Johannes Berg wrote:
On Wed, 2020-02-19 at 14:41 +0530, Amol Grover wrote:quoted
- WARN_ON_ONCE(!rcu_read_lock_held() && !lockdep_rtnl_is_held()); - - list_for_each_entry_rcu(pos, &rdev->sched_scan_req_list, list) { + list_for_each_entry_rcu(pos, &rdev->sched_scan_req_list, list, + lockdep_rtnl_is_held()) {Huh, I didn't even know you _could_ do that :)
It is a fairly recent addition, courtesy of Joel Fernandes. ;-) Thanx, Paul