Re: [PATCH 1/11] Add generic helpers for arch IPI function calls

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>>> Something like this will close the window to right up until the point
>>> where the other CPUs have 'almost' called halt().
>>
>> Now I took a look at context... why not simply use same trick swsusp
>> uses, and do a hot unplug of all cpus at the end of shutdown?
> ..
>
> That's the current existing workaround for this bug,
> but not everybody has cpu hotplug in their config,
> and this bug should still get fixed.

Ok... alternative solution is to keep cpu hotplug always
enabled. Suspend & hibernation seems to need it, anyway, and
dupliating code between cpu hotplug and shutdown does not look _that_
attractive.


									Pavel

-- 
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