Re: [PATCH Part1 RFC v3 06/22] x86/sev: check SEV-SNP features support

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On 6/7/21 9:54 AM, Borislav Petkov wrote:
> On Wed, Jun 02, 2021 at 09:04:00AM -0500, Brijesh Singh wrote:
>>  static bool early_setup_sev_es(void)
> This function is doing SNP init now too, so it should be called
> something generic like
>
> 	do_early_sev_setup()
>
> or so.

Okay, noted.


>>  #define GHCB_SEV_ES_GEN_REQ		0
>>  #define GHCB_SEV_ES_PROT_UNSUPPORTED	1
>> +#define GHCB_SEV_ES_SNP_UNSUPPORTED	2
> GHCB_SNP_UNSUPPORTED

Noted.


>
>> +static bool __init sev_snp_check_hypervisor_features(void)
> check_hv_features()
>
> is nice and short.

Noted.


>> diff --git a/arch/x86/kernel/sev.c b/arch/x86/kernel/sev.c
>> index 77a754365ba9..9b70b7332614 100644
>> --- a/arch/x86/kernel/sev.c
>> +++ b/arch/x86/kernel/sev.c
>> @@ -609,6 +609,10 @@ static bool __init sev_es_setup_ghcb(void)
> Ditto for this one: setup_ghcb()

Noted.


>
> Thx.
>



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