RE: [PATCH 6/8] x86, topology.c: Enable CPU0 online/offline

[Yu, Fenghua]

> 
> > +	 * Suspend/resume depends on BSP. Certain PCI quirks (which PCI
> > +	 * quirks??) require not to enable hotplug control for all CPU's.
> 
> Again, you dammit better make shure which quirks break when cpu0 is
> offlined.
> 

Maybe I misunderstood the comment in arch/x86/kernel/topology.c

+        * Also certain PCI quirks require not to enable hotplug control
+        * for all CPU's.
+        */

and commit b0d0a4ba45760b10ecee9035ed45b442c1a6cc84

So there is NO PCI quirks dependency on CPU0 hotplug.

I'm going to send out a new cpu0 online/offline patch set after collecting all the comments so far.

Thanks.

-Fenghua
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