Re: [RFC PATCH 0/5] workqueue: Introduce low-level unbound wq sysfs cpumask v3
From: Lai Jiangshan
Date: Fri Jul 11 2014 - 04:41:07 EST
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.
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!
> 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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