Messages in this thread | | | Date | Fri, 30 Sep 2011 01:55:10 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH] sched/kthread: Complain loudly when others violate our flags |
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Hello, Peter.
On Fri, Sep 30, 2011 at 10:34:59AM +0200, Peter Zijlstra wrote: > On Thu, 2011-09-29 at 21:14 -0700, Tejun Heo wrote: > > It's rather complicated due to the way workqueues have been used. You > > can't tell whether a work really needs to be pinned to one cpu for > > correctness until actual cpu hotplug time as wq users are expected to > > flush such work items from hotplug notifiers, so wq workers should be > > pinned on the respective cpus while the cpus are up but also need to > > step aside once unplug notifiers are finished. > > That really is crack, and I've always said so. > > How about we fix that utter workqueue unplug nightmare..
The patch is corrupt (=20/=3D's). Can you please re-send?
Thanks.
-- tejun
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