Re: [PATCH Part1 RFC v4 04/36] x86/mm: Add sev_feature_enabled() helper

Paolo Bonzini
2021-07-08T09:00:29Z

On 08/07/21 10:50, Dr. David Alan Gilbert wrote:
>> +enum sev_feature_type {
>> + SEV,
>> + SEV_ES,
>> + SEV_SNP
>> +};
> Is this ....
>
>> diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
>> index a7c413432b33..37589da0282e 100644
>> --- a/arch/x86/include/asm/msr-index.h
>> +++ b/arch/x86/include/asm/msr-index.h
>> @@ -481,8 +481,10 @@
>> #define MSR_AMD64_SEV 0xc0010131
>> #define MSR_AMD64_SEV_ENABLED_BIT 0
>> #define MSR_AMD64_SEV_ES_ENABLED_BIT 1
>> +#define MSR_AMD64_SEV_SNP_ENABLED_BIT 2
> Just the same as this ?
>

No, it's just a coincidence.

Paolo