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Date:	Wed, 05 Sep 2012 09:48:24 +0800
From:	Lai Jiangshan <>
To:	Tejun Heo <>
Subject: Re: [PATCH 10/10 V4] workqueue: merge the role of rebind_hold to

On 09/05/2012 09:15 AM, Tejun Heo wrote:
> On Sun, Sep 02, 2012 at 12:28:28AM +0800, Lai Jiangshan wrote:
>> Currently is single pass, we can wait on idle_done instead wait on rebind_hold.
>> So we can remove rebind_hold and make the code simpler.
> As I wrote before, in general, I do like this approach; however, the
> implementation in this series seems to make the code longer, which
> kinda defeats its purpose of simplifying the implementation.  It could
> be because the series is mixing fixes with restructuring.  

> Can you
> please re-spin the restructuring part once fixes are settled?  Let's
> see if that actually makes things simpler.

OK for me.

Patch 5:  -4
Patch 6:  -9		Patch 5,6 simplify idle rebind(benefit from Patch 2)
Patch 7:  +31
Patch 8:  +14		Patch 7,8 make busy worker wait idle worker's rebinding
Patch 9:  -7
Patch 10: -13		Patch 9,10 single pass

total:  +11		single pass allows us clean up more, example narrow the critical
			critical section of manage_mutex. I will add it in next round.


> Thanks!

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