Re: [PATCH Part1 RFC v4 05/36] x86/sev: Define the Linux specific guest termination reasons

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On 8/10/21 9:59 AM, Brijesh Singh wrote:
> On 8/10/21 6:33 AM, Borislav Petkov wrote:
>> On Wed, Jul 07, 2021 at 01:14:35PM -0500, Brijesh Singh wrote:

>>> +#define SEV_TERM_SET_LINUX        1
>>
>> GHCB doc says:
>>
>> "This document defines and owns reason code set 0x0"
>>
>> Should it also say, reason code set 1 is allocated for Linux guest use?
>> I don't see why not...
>>  > Tom?
>>
> 
> If Tom is okay with it then maybe in next version of the GHCB doc can add
> this text.

IIRC, during the review of the first GHCB version there was discussion
about assigning reason sets outside of 0 within the spec and the overall
feeling was to not do that as part of the spec.

We can re-open that discussion for the next version of the GHCB document.

Thanks,
Tom



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