linux-kernel - Re: [PATCH] cpu/hotplug: handle unbalanced hotplug enable/disable

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Date:	Thu, 21 Apr 2016 12:50:42 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Lianwei Wang <lianwei.wang@...il.com>
Cc:	tglx@...utronix.de, oleg@...hat.com, mingo@...nel.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH] cpu/hotplug: handle unbalanced hotplug enable/disable

On Wed, Apr 20, 2016 at 09:56:07PM -0700, Lianwei Wang wrote:
> Currently it just print a warning message but did not
> reset cpu_hotplug_disabled when the enable/disable is
> unbalanced. The unbalanced enable/disable will lead
> the cpu hotplug work abnormally.
> 
> Reset it to 0 when an unablanced enable detected.

How can this happen in the first place?