Re: [PATCH 2/3 RFC] Driver core: Use generic offline/online for CPUoffline/online

From: Greg Kroah-Hartman
Date: Mon Apr 29 2013 - 19:11:15 EST

On Mon, Apr 29, 2013 at 02:28:02PM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> Rework the CPU hotplug code in drivers/base/cpu.c to use the
> generic offline/online support introduced previously instead of
> its own CPU-specific code.
> For this purpose, modify cpu_subsys to provide offline and online
> callbacks for CONFIG_HOTPLUG_CPU set and remove the code handling
> the CPU-specific 'online' sysfs attribute.
> This modification is not supposed to change the user-observable
> behavior of the kernel (i.e. the 'online' attribute will be present
> in exactly the same place in sysfs and should trigger exactly the
> same actions as before).
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> ---
> drivers/base/cpu.c | 62 ++++++++++++-----------------------------------------
> 1 file changed, 15 insertions(+), 47 deletions(-)

Very nice, I like reductions like this :)

greg k-h
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