linux-kernel - Re: [PATCH]: cpu hotplug locking fix

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Message-Id: <20061206081201.9fafe733.akpm@osdl.org>
Date:	Wed, 6 Dec 2006 08:12:01 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Prarit Bhargava <prarit@...hat.com>
Cc:	linux-kernel@...r.kernel.org, davej@...hat.com
Subject: Re: [PATCH]: cpu hotplug locking fix

On Wed, 6 Dec 2006 11:04:29 -0500
Prarit Bhargava <prarit@...hat.com> wrote:

> --- linux-2.6.18.ia64/kernel/cpu.c.orig	2006-10-31 10:57:37.000000000 -0500
> +++ linux-2.6.18.ia64/kernel/cpu.c	2006-10-31 10:57:46.000000000 -0500
> @@ -58,8 +58,8 @@ void unlock_cpu_hotplug(void)
>  		recursive_depth--;
>  		return;
>  	}
> -	mutex_unlock(&cpu_bitmask_lock);
>  	recursive = NULL;
> +	mutex_unlock(&cpu_bitmask_lock);
>  }

That's already in 2.6.19.
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