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

Borislav Petkov
2021-06-07T14:54:49Z

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.

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

GHCB_SNP_UNSUPPORTED

> +static bool __init sev_snp_check_hypervisor_features(void)

check_hv_features()

is nice and short.

> 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()

Thx.

--
Regards/Gruss,
Boris.