Messages in this thread |  | | Date | Wed, 25 Mar 2020 15:19:22 -0400 | From | Tejun Heo <> | Subject | Re: Deadlock due to "cpuset: Make cpuset hotplug synchronous" |
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On Wed, Mar 25, 2020 at 03:16:56PM -0400, Qian Cai wrote: > The linux-next commit a49e4629b5ed (“cpuset: Make cpuset hotplug synchronous”) > introduced real deadlocks with CPU hotplug as showed in the lockdep splat, since it is > now making a relation from cpu_hotplug_lock —> cgroup_mutex.
Prateek, can you please take a look? Given that the merge window is just around the corner, we might have to revert and retry later if it can't be resolved quickly.
Thanks.
-- tejun
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