linux-kernel - Re: [PATCH 1/4 V5] workqueue: Reorder sysfs code

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Message-ID: <20150324154159.GG3880@htj.duckdns.org>
Date:	Tue, 24 Mar 2015 11:41:59 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Lai Jiangshan <laijs@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Christoph Lameter <cl@...ux.com>,
	Kevin Hilman <khilman@...aro.org>,
	Mike Galbraith <bitbucket@...ine.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: Re: [PATCH 1/4 V5] workqueue: Reorder sysfs code

Hello,

On Wed, Mar 18, 2015 at 12:40:14PM +0800, Lai Jiangshan wrote:
> @@ -4029,6 +3712,323 @@ out_unlock:
>  	put_pwq_unlocked(old_pwq);
>  }
>  
> +#ifdef CONFIG_SYSFS
...
> +#else	/* CONFIG_SYSFS */
> +static void workqueue_sysfs_unregister(struct workqueue_struct *wq)	{ }
> +#endif	/* CONFIG_SYSFS */
> +
>  static int alloc_and_link_pwqs(struct workqueue_struct *wq)
>  {
>  	bool highpri = wq->flags & WQ_HIGHPRI;

Why here?  It's still in the middle of core logic implementation.  Why
not move it further down so that it's either before or after the
hotplug code?

Thanks.

-- 
tejun
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