Re: [PATCH 1/10] Cr4 is valid on some 486s

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Dave Jones wrote:
> > If you have CPU hotplug enabled, you can run SMP code!

Sure, but if you boot with 1 CPU, spinlocks get nop'd to emulate UP,
and on a 'installed a new cpu' hotplug event, they all come back.


The point that you don't nop if you have hotplug enabled (which is not the norm.)

	-hpa
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