Re: [Xen-devel] MTRR and cache programming in Xen

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 13.01.15 at 02:59, <ayushruia@xxxxxxxxx> wrote:
> Is there any support from Xen for supporting MTRRs or any similar caching
> mechanisms such as PAT? How does Xen handle I/O ranges because different
> memory regions may have different caching requirements and any domU can be
> allocated I/O regions? Is the control on x86 only on individual page basis?
> How does that reflect in terms of Intel VT-x and Intel VT-d extensions and
> VMCS structures?
> 
> Any pointers regarding the above will be very helpful and highly
> appreciated.

Please forgive the question, but did you really make any attempt
to find the code of interest? I'm rather getting the impression that
you try to abuse the list to save you some time looking around...

Jan


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