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Re: [Xen-devel] [PATCH 08/13] x86: Collect policies together into groups

>>> On 04.07.18 at 19:15, <andrew.cooper3@xxxxxxxxxx> wrote:
> On 04/07/18 10:22, Jan Beulich wrote:
>>>>> On 03.07.18 at 22:55, <andrew.cooper3@xxxxxxxxxx> wrote:
>>> This is mainly prep work for the following patch, but this specific
>>> abstraction is also specifically useful for the future auditing logic.
>>> Not all of msr_vcpu_policy will be interesting from a domain building
>>> perspective, but some soon-to-appear fields will be (SGX Launch Hash
>>> specifically).  The exact split of MSRs between domain and vcpu policies is
>>> internal to Xen and liable to change moving forwards, so treat the two
>>> structures consistently from the start to avoid problems in the future.
>> I hope the utility of this grouping will become evident in later
>> patches.
> Probably moreso in the followup series with the auditing/subset logic,
> but patch 13 does provide the first aspect.

Does it? It's a faint hint at best, as long as x86_policies_are_compatible()
is all empty.


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