Re: [RFC] New Driver Model for 2.5

From: Taral (taral@taral.net)
Date: Thu Oct 18 2001 - 11:08:26 EST

On Wed, Oct 17, 2001 at 04:52:29PM -0700, Patrick Mochel wrote:
> When a suspend transition is triggered, the device tree is walked first to
> save the state of all the devices in the system. Once this is complete, the
> saved state, now residing in memory, can be written to some non-volatile
> location, like a disk partition or network location.
>
> The device tree is then walked again to suspend all of the devices. This
> guarantees that the device controlling the location to write the state is
> still powered on while you have a snapshot of the system state.

Aha! A much nicer solution to the problem the ACPI people are having
with suspend/resume (ordering problems). 

-- 
Taral <taral@taral.net>
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