linux-kernel - Re: [PATCH] Documentation / CPU hotplug: Fix the typo in example code

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Message-Id: <20140115153328.49a61c6bcd5897fad89af35c@linux-foundation.org>
Date:	Wed, 15 Jan 2014 15:33:28 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Sangjung Woo <sangjung.woo@...sung.com>
Cc:	Rob Landley <rob@...dley.net>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [PATCH] Documentation / CPU hotplug: Fix the typo in example
 code

On Wed, 15 Jan 2014 14:10:26 +0900 Sangjung Woo <sangjung.woo@...sung.com> wrote:

> As the notifier_block name (i.e. foobar_cpu_notifer) is different from
> the parameter (i.e.foobar_cpu_notifier) of register function, that is
> definitely error and it also makes readers confused.
> 

btw, that document doesn't mention hotcpu_notifier(), which is actually
the preferred means of registration.  Because it causes all the hotplug
code to be elided when CONFIG_HOTPLUG_CPU=n, without using ifdefs.

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