Re: [ACPI] Re: [RFC 0/6] S3 SMP support with physcial CPU hotplug

[Nigel Cunningham]

Hi.

On Mon, 2005-04-04 at 12:37, Andrew Morton wrote:
> Li Shaohua <shaohua.li@xxxxxxxxx> wrote:
> >
> > The patches are against 2.6.11-rc1 with Zwane's CPU hotplug patch in -mm
> >  tree.
> 
> Should I merge that thing into mainline?  It seems that a few people are
> needing it.

Perhaps we should address the MTRR issue first.

I've had code in Suspend2 for quite a while (6 months+) that removes the
sysdev support for MTRRs and saves and restores them with CPU context,
thereby avoiding the smp_call-while-interrupts-disabled issue. Perhaps
it would be helpful here?

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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