Messages in this thread | | | From | "Kalra, Ashish" <> | Subject | RE: [PATCH Part2 v6 05/49] x86/sev: Add RMP entry lookup helpers | Date | Wed, 22 Jun 2022 14:22:48 +0000 |
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[AMD Official Use Only - General]
>> +/* >> + * The RMP entry format is not architectural. The format is defined >> +in PPR >> + * Family 19h Model 01h, Rev B1 processor. >> + */
>Let's say that Family 20h comes out and has a new RMP entry format. >What keeps an old kernel from attempting to use this old format on that new CPU?
As I replied previously on the same subject: Architectural implies that it is defined in the APM and shouldn't change in such a way as to not be backward compatible. I probably think the wording here should be architecture independent or more precisely platform independent.
Thanks, Ashish
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