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> > #ifdef CONFIG_ARCH_HAS_CC_PLATFORM > diff --git a/arch/x86/coco/core.c b/arch/x86/coco/core.c > index 0f81f70aca82..5b9a358a3254 100644 > --- a/arch/x86/coco/core.c > +++ b/arch/x86/coco/core.c > @@ -100,6 +100,9 @@ static bool noinstr amd_cc_platform_has(enum cc_attr attr) > case CC_ATTR_HOST_SEV_SNP: > return cc_flags.host_sev_snp; > > + case CC_ATTR_GUEST_SNP_SECURE_TSC: > + return sev_status & MSR_AMD64_SNP_SECURE_TSC; > + > default: > return false; > }