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Date: Thu, 19 Apr 2001 09:24:17 -0400
From: Jeff Garzik <jgarzik@mandrakesoft.com>
Organization: MandrakeSoft
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To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@transmeta.com>,
        linux-pm-devel@lists.sourceforge.net
Subject: Re: PCI power management
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Benjamin Herrenschmidt wrote:
>  - On SMP, we need some way to stop other CPUs in the scheduler
> while running the last round of sleep (putting devices to sleep) at least
> until all IO layers in Linux can properly handle blocking of IO queues
> while the device sleeps.

I think either Rusty or Anton wrote code to enable and disable CPUs...

CPU hotplugging but it would be useful for PM too.

-- 
Jeff Garzik       | "The universe is like a safe to which there is a
Building 1024     |  combination -- but the combination is locked up
MandrakeSoft      |  in the safe."    -- Peter DeVries
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