linux-kernel - Re: CONFIG_HOTPLUG

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Message-ID: <4890C0FC.7010604@shaw.ca>
Date:	Wed, 30 Jul 2008 13:29:00 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Dimitri Sivanich <sivanich@....com>
CC:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: CONFIG_HOTPLUG_CPU on x86

Dimitri Sivanich wrote:
> I've heard folks say that hotplug cpu is very reliable.  I'm assuming
> that's in the context of the x86 architecture.  If so, how come
> CONFIG_HOTPLUG_CPU is still listed as EXPERIMENTAL in arch/x86/Kconfig?
> Should this be changed for the x86 architecture?
> 
> config HOTPLUG_CPU
> 	bool "Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL)"
> 	depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER

Yes, it's a bit bizarre that something needed for suspending almost any 
current laptop is still marked as "experimental"..
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