linux-kernel - Re: [RFC PATCH 0/5] workqueue: Introduce low-level unbound wq sysfs cpumask v3

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Message-ID: <53BFA34F.9010800@cn.fujitsu.com>
Date:	Fri, 11 Jul 2014 16:41:51 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Christoph Lameter <cl@...ux.com>,
	Kevin Hilman <khilman@...aro.org>,
	Mike Galbraith <bitbucket@...ine.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Tejun Heo <tj@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: Re: [RFC PATCH 0/5] workqueue: Introduce low-level unbound wq sysfs
 cpumask v3

Hi, Frederic

I'd like to take this work unless you are still working on it.
I would do some cleanup at first so that it will be much slow for me.

Thanks,
Lai


On 05/17/2014 12:16 AM, Frederic Weisbecker wrote:
> So in this version I actually save the cpumask belonging to wq (before
> it's intersected against the low level cpumask) in its unbounds attrs.
> 
> But the attrs passed to pwq and worker pools have the low level cpumask
> computed against the wq cpumask.
> 
> It makes it easier that way as the wq cpumask itself remains untouched.
> It's a user setting so it must stay intact. OTOH the cpumask of pwqs and
> worker pools only belong to the implementation so it's the right
> place to store the effective cpumask.
> 
> Also wq_update_unbound_numa() is fixed, and cpu_possible_mask() 
> is restored as a base. Thanks to Lai!
> 
> Thanks,
> 	Frederic
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
>         core/workqueue-v5
> ---
> 
> Frederic Weisbecker (4):
>       workqueue: Reorder sysfs code
>       workqueue: Create low-level unbound workqueues cpumask
>       workqueue: Split apply attrs code from its locking
>       workqueue: Allow modifying low level unbound workqueue cpumask
> 
> Lai Jiangshan (1):
>       workqueue: Allow changing attributions of ordered workqueues
> 
> 
>  kernel/workqueue.c | 1674 ++++++++++++++++++++++++++++------------------------
>  1 file changed, 900 insertions(+), 774 deletions(-)
> .
> 

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