linux-kernel - Re: [PATCH Part2 v6 05/49] x86/sev: Add RMP entry lookup helpers

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Message-ID: <25be3068-be13-a451-86d4-ff4cc12ddb23@intel.com>
Date:   Wed, 22 Jun 2022 07:29:31 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     "Kalra, Ashish" <Ashish.Kalra@....com>,
        "x86@...nel.org" <x86@...nel.org>,
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Subject: Re: [PATCH Part2 v6 05/49] x86/sev: Add RMP entry lookup helpers

On 6/22/22 07:22, Kalra, Ashish wrote:
> 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.
Yeah, arch-independent and non-architectural are quite different concepts.

At Intel, at least, when someone says "not architectural" mean that the
behavior is implementation-specific.  That, combined with the
model/family/stepping gave me the wrong impression about what was going on.

Some more clarity would be greatly appreciated.