[Xen-users] xl cpuid masking howto

[Hans van Kranenburg <hans.van.kranenburg@xxxxxxxxxx>]

Hi Xen users,

Since I spent way too much time last week figuring out how to properly 
set the cpuid masks in my xen guests configuration files to be able to 
live migrate over slightly different types of hardware, I did a write up 
documenting the whole thing:
https://tech.mendix.com/linux/2016/08/18/xen-cpuid-masking/

I hope the text will save other people some time and headaches. Also, if 
I by accident wrote something that's blatantly incorrect, let me know.
I'm aware that there's work going on in this area now, so I explicitely 
mention that I used Xen 4.4.1 in this case.
Have fun,
Hans van Kranenburg

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