Re: x86/PV: (lack of) MTRR exposure

[Juergen Gross <jgross@xxxxxxxx>]

On 02.05.22 16:50, Jan Beulich wrote:
> On 02.05.2022 16:25, Juergen Gross wrote:
> > PAT MSR writes can be handled by special casing in xen_write_msr_safe().
> You can squash the write attempt there, but that'll still confuse the caller
> assuming the write actually took effect.
With the list of cpus supported by Xen I don't see a big challenge here.
PAT virtualization handles everything we need.


Juergen

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