Re: [RFC] New Driver Model for 2.5

Taral (taral@taral.net)
Thu, 18 Oct 2001 11:08:26 -0500


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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 t=
o=20
> save the state of all the devices in the system. Once this is complete, t=
he=20
> saved state, now residing in memory, can be written to some non-volatile=
=20
> location, like a disk partition or network location.=20
>=20
> The device tree is then walked again to suspend all of the devices. This=
=20
> guarantees that the device controlling the location to write the state is=
=20
> still powered on while you have a snapshot of the system state.=20

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

--=20
Taral <taral@taral.net>
This message is digitally signed. Please PGP encrypt mail to me.
"Any technology, no matter how primitive, is magic to those who don't
understand it." -- Florence Ambrose

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