Messages in this thread | | | Subject | Re: [ACPI] Re: [RFC 0/6] S3 SMP support with physcial CPU hotplug | From | Nigel Cunningham <> | Date | Mon, 04 Apr 2005 21:46:24 +1000 |
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Hi again.
On Mon, 2005-04-04 at 21:31, Pavel Machek wrote: > Hi! > > > > > 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? > > This seems like separate issue... I'd prefer not to block this patch. > > MTRRs should be probably handled by some kind of "cpu is going down" > and "cpu is going up" callbacks... Zwane, do you have any ideas? > Linklist of handlers should be enough...
What else is it needed for? CpuFreq?
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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