linux-kernel - Re: [V2 for-next PATCH 0/7] workqueue: async idle rebinding and cleanup for hotplug

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Date:	Tue, 18 Sep 2012 17:40:42 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Tejun Heo <tj@...nel.org>
CC:	Lai Jiangshan <laijs@...fujitsu.com>, linux-kernel@...r.kernel.org
Subject: Re: [V2 for-next PATCH 0/7] workqueue: async idle rebinding and cleanup
 for hotplug

On 09/17/2012 11:46 PM, Lai Jiangshan wrote:
> Patch1 fix new found possible bug.
> 
> Patch2 use async algorithm to replace the synchronous algorithm to rebind
> idle workers.
> 
> The synchronous algorithm requires 3 hand shakes, it introduces much
> complicated. 
> 
> The new async algorithm does not do any synchronization. it removes
> the idle workers from idle_list to ensure the local-wake-up is correct
> instead.
> 
> Patch3-7 do simple cleanup
> 
> Patch2-7 are ready for for-next. I have other devlopment and cleanup for workqueue,
> should I wait this patchset merged or send them at the same time?

Hello, Tejun:

Please defer Patch3-7, because they conflict with the merged one.

Could you please review and merge the the Patch2(async idle rebinding).
I have made some effort to write/review/check it.

Thanks,
Lai

> 
> Lai Jiangshan (7):
>   workqueue: clear WORKER_REBIND unconditionaly in
>     busy_worker_rebind_fn()
>   workqueue: async idle rebinding
>   workqueue: new day don't need WORKER_REBIND for busy rebinding
>   workqueue: remove WORKER_REBIND
>   workqueue: rename manager_mutex to assoc_mutex
>   workqueue: use __cpuinit instead of __devinit for cpu callback
>   workqueue: use hotcpu_notifier() for workqueue_cpu_down_callback()
> 
>  kernel/workqueue.c |  228 ++++++++++++++++++---------------------------------
>  1 files changed, 81 insertions(+), 147 deletions(-)
> 

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