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

[Zachary Amsden <zach@vmware.com>]

Arjan van de Ven wrote:

> the good news is that all hotplugable x86 cpus will have HT or dual core
> support.. so you always work in pairs of 2
>  

While there are good arguments for a pure SMP hardware world, there are 
good arguments in the virtualization world for virtual uniprocessors.  
No one can be sure which combination of HT / polycore / package 
isolation we will end up with, but we can be sure that legacy systems 
will be around for longer than anyone wants to think about.  As this CR4 
valid on 486s patch proves :)
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