suspend/resume uevents [was Re: [linux-pm] Introducing HAL userspace power management]

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Hi.

On Sat, 2005-03-12 at 03:04, David Zeuthen wrote:
> Oh, I thought the kernel was moving towards presenting user space with
> an abstract interface much like /sys/power/state; that would definitely
> be easier on user space (we don't have to add new code for every PM
> framework), but I do understand if you don't want to do this as it have
> negative consequences. But at least some form of feature parity across
> different PM frameworks would be nice (e.g. if you make APM resume send
> an event, do the same for ACPI and PMU) because in many ways user space
> do have to design for lowest common denominator when abstracting this.

APM is considered obsolete, even Stephen Rothwell says that :> This is
why no work has been done on making it have a sys interface, IIUC.

The /sys interface is the way to go. Some of us are just too scared
by^W^W busy to implement kobjects and keep putting off the transition :>

> > > > . I'm *not* going to do that from kernel. But standartizing what needs
> > > > to be ran on resume is indeed good idea, and few lines in
> > > > Documentation/power/* are probably worth it.

Slow reply, I know.

There's an excellent hibernate script written by Bernard Blackham that
we use for suspend2, but is also able to handle swsusp etc. If everyone
would start using it... (me included! [Bernard, that's five times I've
said it!])

Nigel
-- 
Nigel Cunningham
Software Engineer, Canberra, Australia
http://www.cyclades.com
Bus: +61 (2) 6291 9554; Hme: +61 (2) 6292 8028;  Mob: +61 (417) 100 574

Maintainer of Suspend2 Kernel Patches http://suspend2.net


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