linux-kernel - Re: [GIT PULL] smp/hotplug changes for v3.9

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Message-ID: <CAJd=RBAQ3GHXNFT_EoxjuY=gRVMqc2=+=6PR1ujZOCq-KsU_pQ@mail.gmail.com>
Date:	Wed, 20 Feb 2013 20:31:44 +0800
From:	Hillf Danton <dhillf@...il.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] smp/hotplug changes for v3.9

On Tue, Feb 19, 2013 at 10:28 PM, Ingo Molnar <mingo@...nel.org> wrote:
> +       /* drain remaining works */
> +       spin_lock_irqsave(&stopper->lock, flags);
> +       list_for_each_entry(work, &stopper->works, list)
> +               cpu_stop_signal_done(work->done, false);

After flushing enqueued works, in what state is the works list head, Thomas?

> +       stopper->enabled = false;
> +       spin_unlock_irqrestore(&stopper->lock, flags);
>  }
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