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Re: DEADLOCK: bisected to d215aab82d81974f438bfbc80aa437132f3c37c3 ("cpu/hotplug: Convert hotplug locking to percpu rwsem")

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On Sun, 21 May 2017, Corentin Labbe wrote:
> Since linux-next-20170517 at least I got the following DEADLOCK warning:
> [    4.311614] ============================================
> [    4.316919] WARNING: possible recursive locking detected
> [    4.322227] 4.12.0-rc1-next-20170517+ #273 Not tainted
> [    4.327360] --------------------------------------------
> [    4.332665] swapper/0/1 is trying to acquire lock:
> [    4.337451]  (cpu_hotplug_lock.rw_sem){++++++}, at: [<c01cc998>] stop_machine+0x1c/0x3c

The offending commit has been removed from -next. We are working on a replacement.

Thanks,

	tglx

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DEADLOCK: bisected to d215aab82d81974f438bfbc80aa437132f3c37c3  ("cpu/hotplug: Convert hotplug locking to percpu rwsem") Corentin Labbe <clabbe.montjoie@gmail.com> - 2017-05-21 17:50 +0200
  Re: DEADLOCK: bisected to d215aab82d81974f438bfbc80aa437132f3c37c3  ("cpu/hotplug: Convert hotplug locking to percpu rwsem") Thomas Gleixner <tglx@linutronix.de> - 2017-05-21 18:10 +0200

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