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

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Message-ID: <20150911093454.GK21084@n2100.arm.linux.org.uk>
Date:	Fri, 11 Sep 2015 10:34:54 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Viresh Kumar <viresh.kumar@...aro.org>
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 Fri, Sep 11, 2015 at 02:08:06PM +0530, Viresh Kumar wrote:
> On 11-09-15, 10:36, Arnd Bergmann wrote:
> > I don't consider that a bug: a module with just an init function and
> > no exit function can be loaded once and never unloaded, which is not
> > nice for debugging, but is otherwise fully functional.
> 
> For me, there are two essential things that a module has to support:
> - hotplug, which is just fine.
> - hot-unplug, which will pass as well, but without freeing resources..

Well, that's got nothing to do with not having a module_exit().

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