On Saturday 28 July 2007 12:55, Linus Torvalds wrote:
> So I think the real issue is that we allow that
> "suspend_devices_and_enter()" code to be compiled without HOTPLUG_CPU in
> the first place. It's not supposed to work that way.
I don't see how CONFIG_HOTPLUG_CPU justifies its own existence.
This e-mail thread would have never happened if it were simply included
in CONFIG_SMP, always.
I agree, of course, that ACPI should never have had to work-around
this by selecting HOTPLUG_CPU. But even though it is now done at
the right layer, I don't see why PM should have to
be bothered with selecting HOTPLUG_CPU either --
it should just come with SMP.
-Len
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