linux-kernel - Re: cpufreq: mediatek: allow modular build

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Message-ID: <20150911100916.GO9650@linux>
Date:	Fri, 11 Sep 2015 15:39:16 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Arnd Bergmann <arnd@...db.de>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	Pi-Cheng Chen <pi-cheng.chen@...aro.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: cpufreq: mediatek: allow modular build

On 11-09-15, 10:58, Russell King - ARM Linux wrote:
> Not module "unplug" (I've never heard it called that before).  A module
> with a module_init() but no module_exit() can only be added to a running
> kernel, and never removed.  That's intentional behaviour.

Ah, I see. I wasn't sure that a module with no module_exit() can't be
removed.

> However, if you're talking about hot-unplug, presumably you're talking
> about _CPU_ hot-unplug, and that's something the code should definitely
> handle irrespective of whether it's built-in or a module.
> 
> The two issues are entirely separate.

Bah, all this time I meant module insertion/removal, sorry :(

-- 
viresh
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