Hello, Michael. On Fri, Jun 30, 2017 at 11:08:22AM +1000, Michael Ellerman wrote: > Tejun Heo <t...@kernel.org> writes: > > > Could be the same problem as the one reported in the following thread. > > > > http://lkml.kernel.org/r/1497266622.15415.39.ca...@abdul.in.ibm.com > > > > The root cause there is ppc arch code not setting up possible cpu <-> > > numa mapping during boot. > > Huh? > > You changed the workqueue code to avoid that in 2186d9f940b6 > ("workqueue: move wq_numa_init() to workqueue_init()"), didn't you?
That was a different issue. This one is cpu <-> numa node mapping not being stable across cpu hotplug. Thanks. -- tejun
