From: Lai Jiangshan <laijs@cn.fujitsu.com>
To: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: <linux-kernel@vger.kernel.org>, Tejun Heo <tj@kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH 03/10] workqueue: async worker destruction
Date: Wed, 7 May 2014 15:30:39 +0800 [thread overview]
Message-ID: <5369E11F.5010909@cn.fujitsu.com> (raw)
In-Reply-To: <1398571754-12443-4-git-send-email-laijs@cn.fujitsu.com>
On 04/27/2014 12:08 PM, Lai Jiangshan wrote:
>
> spin_unlock_irq(&pool->lock);
> +
> + wait_event_cmd(pool->workers_unbound,
> + idr_is_empty(&pool->worker_idr),
> + mutex_unlock(&pool->manager_mutex),
> + mutex_lock(&pool->manager_mutex));
> +
How about I wrap it as wait_event_mutex()?
(like wait_event_lock_irq() in kernel and pthread_cond_wait() in userspace)
> mutex_unlock(&pool->manager_mutex);
> mutex_unlock(&pool->manager_arb);
>
next prev parent reply other threads:[~2014-05-07 7:26 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-27 4:08 [PATCH 00/10] workqueue: async worker destruction and pool-binding synchronization Lai Jiangshan
2014-04-27 4:08 ` [PATCH 01/10] workqueue: use manager lock only to protect worker_idr Lai Jiangshan
2014-05-05 13:01 ` Tejun Heo
2014-05-06 15:43 ` Lai Jiangshan
2014-04-27 4:08 ` [PATCH 02/10] workqueue: destroy_worker() should destroy idle workers only Lai Jiangshan
2014-05-05 13:13 ` Tejun Heo
2014-05-06 15:58 ` Lai Jiangshan
2014-04-27 4:08 ` [PATCH 03/10] workqueue: async worker destruction Lai Jiangshan
2014-05-05 14:31 ` Tejun Heo
2014-05-05 15:02 ` Tejun Heo
2014-05-06 16:27 ` Lai Jiangshan
2014-05-06 16:31 ` Tejun Heo
2014-05-07 7:30 ` Lai Jiangshan [this message]
2014-05-07 13:15 ` Tejun Heo
2014-04-27 4:08 ` [PATCH 04/10] workqueue: destroy worker directly in the idle timeout handler Lai Jiangshan
2014-05-05 14:36 ` Tejun Heo
2014-05-07 7:10 ` Lai Jiangshan
2014-05-07 13:12 ` Tejun Heo
2014-05-07 13:38 ` Lai Jiangshan
2014-05-07 13:41 ` Tejun Heo
2014-05-07 15:30 ` Lai Jiangshan
2014-05-07 15:37 ` Tejun Heo
2014-04-27 4:09 ` [PATCH 05/10] workqueue: separate iteration role from worker_idr Lai Jiangshan
2014-05-05 14:57 ` Tejun Heo
2014-04-27 4:09 ` [PATCH 06/10] workqueue: convert worker_idr to worker_ida Lai Jiangshan
2014-05-05 14:59 ` Tejun Heo
2014-05-06 16:33 ` Lai Jiangshan
2014-05-06 16:35 ` Tejun Heo
2014-05-06 16:38 ` Tejun Heo
2014-04-27 4:09 ` [PATCH 07/10] workqueue: narrow the protection range of manager_mutex Lai Jiangshan
2014-04-27 4:09 ` [PATCH 08/10] workqueue: rename manager_mutex to bind_mutex Lai Jiangshan
2014-04-27 4:09 ` [PATCH 09/10] workqueue: separate pool-binding code out from create_worker() Lai Jiangshan
2014-04-27 4:09 ` [PATCH 10/10] workqueue: use generic pool-bind/unbind routine for rescuers Lai Jiangshan
2014-05-05 14:54 ` Tejun Heo
2014-05-05 15:05 ` [PATCH 00/10] workqueue: async worker destruction and pool-binding synchronization Tejun Heo
2014-05-12 6:56 ` [PATCH 00/10 V2] workqueue: async worker destruction and worker attaching/detaching Lai Jiangshan
2014-05-12 6:56 ` [PATCH 01/10 V2] workqueue: use manager lock only to protect worker_idr Lai Jiangshan
2014-05-12 6:56 ` [PATCH 02/10 V2] workqueue: destroy_worker() should destroy idle workers only Lai Jiangshan
2014-05-12 21:08 ` Tejun Heo
2014-05-13 6:08 ` Lai Jiangshan
2014-05-12 6:56 ` [PATCH 03/10 V2] workqueue: async worker destruction Lai Jiangshan
2014-05-12 21:20 ` Tejun Heo
2014-05-13 6:32 ` Lai Jiangshan
2014-05-13 14:14 ` Tejun Heo
2014-05-20 9:54 ` Lai Jiangshan
2014-05-12 6:56 ` [PATCH 04/10 V2] workqueue: destroy worker directly in the idle timeout handler Lai Jiangshan
2014-05-12 21:26 ` Tejun Heo
2014-05-12 6:56 ` [PATCH 05/10 V2] workqueue: separate iteration role from worker_idr Lai Jiangshan
2014-05-12 21:35 ` Tejun Heo
2014-05-12 21:37 ` Tejun Heo
2014-05-12 6:56 ` [PATCH 06/10 V2] workqueue: convert worker_idr to worker_ida Lai Jiangshan
2014-05-12 21:40 ` Tejun Heo
2014-05-13 6:43 ` Lai Jiangshan
2014-05-13 14:17 ` Tejun Heo
2014-05-12 6:56 ` [PATCH 07/10 V2] workqueue: narrow the protection range of manager_mutex Lai Jiangshan
2014-05-12 6:56 ` [PATCH 08/10 V2] workqueue: rename manager_mutex to attach_mutex Lai Jiangshan
2014-05-12 22:01 ` Tejun Heo
2014-05-13 6:45 ` Lai Jiangshan
2014-05-13 14:19 ` Tejun Heo
2014-05-12 6:56 ` [PATCH 09/10 V2] workqueue: separate pool-attaching code out from create_worker() Lai Jiangshan
2014-05-12 6:56 ` [PATCH 10/10 V2] workqueue: use generic attach/detach routine for rescuers Lai Jiangshan
2014-05-12 22:05 ` Tejun Heo
2014-05-13 6:55 ` Lai Jiangshan
2014-05-20 9:46 ` [PATCH V3 00/10] workqueue: async worker destruction and worker attaching/detaching Lai Jiangshan
2014-05-20 9:46 ` [PATCH V3 01/10] workqueue: use manager lock only to protect worker_idr Lai Jiangshan
2014-05-20 9:46 ` [PATCH V3 02/10] workqueue: destroy_worker() should destroy idle workers only Lai Jiangshan
2014-05-20 9:46 ` [PATCH V3 03/10] workqueue: async worker destruction Lai Jiangshan
2014-05-20 14:22 ` Tejun Heo
2014-05-20 14:23 ` Tejun Heo
2014-05-20 14:24 ` Tejun Heo
2014-05-20 9:46 ` [PATCH V3 04/10] workqueue: destroy worker directly in the idle timeout handler Lai Jiangshan
2014-05-20 9:46 ` [PATCH V3 05/10] workqueue: separate iteration role from worker_idr Lai Jiangshan
2014-05-20 9:46 ` [PATCH V3 06/10] workqueue: convert worker_idr to worker_ida Lai Jiangshan
2014-05-20 9:46 ` [PATCH V3 07/10] workqueue: narrow the protection range of manager_mutex Lai Jiangshan
2014-05-20 9:46 ` [PATCH V3 08/10] workqueue: rename manager_mutex to attach_mutex Lai Jiangshan
2014-05-20 9:46 ` [PATCH V3 09/10] workqueue: separate pool-attaching code out from create_worker() Lai Jiangshan
2014-05-20 9:46 ` [PATCH V3 10/10] workqueue: use generic attach/detach routine for rescuers Lai Jiangshan
2014-05-20 15:00 ` [PATCH V3 00/10] workqueue: async worker destruction and worker attaching/detaching Tejun Heo
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