Re: kworker with empty task->cpus_allowed (was Re: [v4.12-rc1 regression] mount ext4 fs results in kernel crash on PPC64le host)
flat view
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2017-06-30 01:08:22
Tejun Heo [off-list ref] writes:
Hello, Could be the same problem as the one reported in the following thread. http://lkml.kernel.org/r/1497266622.15415.39.camel@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?
cheers