Re: [Xen-devel] MSR load lists on Harpertown

[Ian Jackson <ian.jackson@xxxxxxxxxx>]

Andrew Cooper writes ("[Xen-devel] MSR load lists on Harpertown"):
> I realise this is an old CPU, but I've I've encountered a weird failure
> on it.
...
> However, given this behaviour, I can't think of any way to context
> switch NX properly, and leave 64bit guests in a working state.
> 
> Do you have any suggestions?

ISTM that Xen should run on these old CPUs and also that it should
work, ideally, even if the microcode is buggy.

So presumaly the right answer is to simply disable NX for the guest
completely ?

Ian.

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