Re: [PATCH v16 05/13] x86/sev: Add Secure TSC support for SNP guests

[Borislav Petkov]

On Mon, Jan 06, 2025 at 06:16:25PM +0530, Nikunj A Dadhania wrote:
> diff --git a/arch/x86/coco/core.c b/arch/x86/coco/core.c
> index 0f81f70aca82..715c2c09582f 100644
> --- a/arch/x86/coco/core.c
> +++ b/arch/x86/coco/core.c
> @@ -97,6 +97,10 @@ static bool noinstr amd_cc_platform_has(enum cc_attr attr)
>  	case CC_ATTR_GUEST_SEV_SNP:
>  		return sev_status & MSR_AMD64_SEV_SNP_ENABLED;
>  
> +	case CC_ATTR_GUEST_SNP_SECURE_TSC:
> +		return (sev_status & MSR_AMD64_SEV_SNP_ENABLED) &&

This is new here?

> +			(sev_status & MSR_AMD64_SNP_SECURE_TSC);
> +

-- 
Regards/Gruss,
    Boris.

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