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Date: Fri, 11 Sep 2015 10:58:20 +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 03:10:03PM +0530, Viresh Kumar wrote: > On 11-09-15, 10:34, Russell King - ARM Linux wrote: > > Well, that's got nothing to do with not having a module_exit(). > > Yeah, so we don't necessarily need a module_exit(), but the module > should have freed the resources with module unplug. And that was > missing with Arnd's patch.. 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. 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. -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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