linux-kernel - Re: [linux-pm] [PATCH 8/8] intel_idle: create a native cpuidle driver for select intel processors

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Message-Id: <201005271053.31087.trenn@suse.de>
Date:	Thu, 27 May 2010 10:53:30 +0200
From:	Thomas Renninger <trenn@...e.de>
To:	linux-pm@...ts.linux-foundation.org
Cc:	Len Brown <lenb@...nel.org>, x86@...nel.org,
	Len Brown <len.brown@...el.com>, linux-kernel@...r.kernel.org,
	sfr@...b.auug.org.au
Subject: Re: [linux-pm] [PATCH 8/8] intel_idle: create a native cpuidle driver for select intel processors

On Thursday 27 May 2010 04:42:31 Len Brown wrote:
> From: Len Brown <len.brown@...el.com>
... 
> CONFIG_INTEL_IDLE=m is not recommended unless the system
> has a method to guarantee intel_idle loads before ACPI's
> processor_idle.
Then it should better be declared bool instead of tristate until it
works.

> This driver does not yet know about cpu online/offline
> and thus will not yet play well with cpu-hotplug.
What means does not play well yet, suspend or manually offlining a core 
will eventually (for sure?) hang the machine?

If this is known broken, should this already be spread through
linux-next?

    Thomas
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