Re: [PATCH v2] cpuset: fix race between hotplug work and later CPU offline

2020-11-13 Thread Tejun Heo
Hello, On Fri, Nov 13, 2020 at 09:16:22AM +0100, Peter Zijlstra wrote: > Works for me. TJ, do I take this or do you want it in the cgroup tree? > > In that case: > > Acked-by: Peter Zijlstra (Intel) Please take it through the sched tree, and FWIW Acked-by: Tejun Heo Thank you. -- tejun

Re: [PATCH v2] cpuset: fix race between hotplug work and later CPU offline

2020-11-13 Thread Peter Zijlstra
On Thu, Nov 12, 2020 at 12:17:11PM -0500, Daniel Jordan wrote: > One of our machines keeled over trying to rebuild the scheduler domains. > Mainline produces the same splat: > > BUG: unable to handle page fault for address: 607f820054db > CPU: 2 PID: 149 Comm: kworker/1:1 Not tainted 5.10.

[PATCH v2] cpuset: fix race between hotplug work and later CPU offline

2020-11-12 Thread Daniel Jordan
One of our machines keeled over trying to rebuild the scheduler domains. Mainline produces the same splat: BUG: unable to handle page fault for address: 607f820054db CPU: 2 PID: 149 Comm: kworker/1:1 Not tainted 5.10.0-rc1-master+ #6 Workqueue: events cpuset_hotplug_workfn RIP: build_s