From: Tejun Heo <tj@kernel.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Prateek Sood <prsood@codeaurora.org>,
Peter Zijlstra <peterz@infradead.org>,
avagin@gmail.com, mingo@kernel.org, linux-kernel@vger.kernel.org,
cgroups@vger.kernel.org, sramana@codeaurora.org
Subject: Re: [PATCH] cgroup/cpuset: fix circular locking dependency
Date: Mon, 8 Jan 2018 19:42:11 -0800 [thread overview]
Message-ID: <20180109034211.GC3668920@devbig577.frc2.facebook.com> (raw)
In-Reply-To: <20180109003127.GA30224@linux.vnet.ibm.com>
Hello, Paul.
On Mon, Jan 08, 2018 at 04:31:27PM -0800, Paul E. McKenney wrote:
> +static int __init rcu_init_wq_rescuer(void)
> +{
> + WARN_ON(init_rescuer(rcu_gp_workqueue));
> + return 0;
> +}
> +core_initcall(rcu_init_wq_rescuer);
So, what I don't get is why RCU needs to call this explicitly.
core_initcall() is after workqueue_init() anyway. Why am I missing?
Thanks.
--
tejun
next prev parent reply other threads:[~2018-01-09 3:42 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CANaxB-zT+sz=z1FFk5npnwMySdfKCBZDkM+P+=JXDkCXbh=rCw@mail.gmail.com>
2017-11-28 11:35 ` [PATCH] cgroup/cpuset: fix circular locking dependency Prateek Sood
2017-12-04 5:14 ` Prateek Sood
2017-12-04 20:22 ` Tejun Heo
2017-12-04 22:58 ` Tejun Heo
2017-12-04 23:01 ` Peter Zijlstra
2017-12-08 9:40 ` Prateek Sood
2017-12-08 11:45 ` Prateek Sood
2017-12-11 15:32 ` Tejun Heo
2017-12-13 14:28 ` Prateek Sood
2017-12-13 15:40 ` Tejun Heo
2017-12-15 8:54 ` Prateek Sood
2017-12-15 13:22 ` Tejun Heo
2017-12-15 19:06 ` Prateek Sood
2017-12-19 7:26 ` [PATCH] cgroup: Fix deadlock in cpu hotplug path Prateek Sood
2017-12-19 13:39 ` Tejun Heo
2017-12-11 15:20 ` [PATCH] cgroup/cpuset: fix circular locking dependency Tejun Heo
2017-12-13 7:50 ` Prateek Sood
2017-12-13 16:06 ` Tejun Heo
2017-12-15 19:04 ` Prateek Sood
2017-12-28 20:37 ` Prateek Sood
2018-01-02 16:16 ` Tejun Heo
2018-01-02 17:44 ` Paul E. McKenney
2018-01-02 18:01 ` Paul E. McKenney
2018-01-08 12:28 ` Tejun Heo
2018-01-08 13:47 ` [PATCH wq/for-4.16 1/2] workqueue: separate out init_rescuer() Tejun Heo
2018-01-08 13:47 ` [PATCH wq/for-4.16 2/2] workqueue: allow WQ_MEM_RECLAIM on early init workqueues Tejun Heo
2018-01-08 22:52 ` [PATCH] cgroup/cpuset: fix circular locking dependency Paul E. McKenney
2018-01-09 0:31 ` Paul E. McKenney
2018-01-09 3:42 ` Tejun Heo [this message]
2018-01-09 4:20 ` Paul E. McKenney
2018-01-09 13:44 ` Tejun Heo
2018-01-09 15:21 ` Paul E. McKenney
2018-01-09 15:37 ` Tejun Heo
2018-01-09 16:00 ` Paul E. McKenney
2018-01-10 20:08 ` Paul E. McKenney
2018-01-10 21:41 ` Tejun Heo
2018-01-10 22:10 ` Paul E. McKenney
2018-01-15 12:02 ` Prateek Sood
2018-01-16 16:27 ` Tejun Heo
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