Re: [PATCH 0/4] CPU hotplug, cpusets: Fix CPU online handlingrelated to cpusets

[Peter Zijlstra]

On Fri, 2012-02-10 at 23:39 +0100, Rafael J. Wysocki wrote:
> 
> > I don't see why not.  Presumably no CPUs will be added or removed while 
> > the system is asleep.
> 
> ACPI explicitly forbids that level of hardware reconfiguration in a sleep
> state (even in S4), AFAICS.  Still, people may try to do that ... 

I'm ok with breaking that :-) If its really really important to someone
we (him most likely) could fix it by detecting the topology changed over
the suspend and do a fixup. Assuming it actually gets that far.

Srivatsa, wanna give this (the proposal to not modify cpusets on
CPU_TASKS_FROZEN) a try?


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