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Subject: Re: apm power_off on smp
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Xavier Bestel <xavier.bestel@free.fr>
Cc: Pozsar Balazs <pozsy@uhulinux.hu>,
       Kelledin <kelledin+LKML@skarpsey.dyndns.org>,
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On Mon, 2002-07-15 at 01:05, Xavier Bestel wrote:
> Err .. my mobo's BIOS is SMP specific and implements APM, so I guess
> there is a case where it's useful. It must be something like when

Don't bet on that. I've seen quad Xeon servers with single CPU only APM

> running Win95, which is UP only. Isn't Linux able to return to a UP-like
> state (? la Win95) just before entering poweroff ?

We can flush the caches and pray, but what the BIOS does is an
interesting question. On the theory thats its your data you have to
select the chances you wish to take. (Indeed on -ac you can enable APM
on SMP in full)

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