MSR_AMD64_SNP_RESV_BIT
for (i = 0; i < MSR_AMD64_SNP_RESV_BIT; i++) {
#define MSR_AMD64_SNP_RESERVED_MASK GENMASK_ULL(63, MSR_AMD64_SNP_RESV_BIT)
#define MSR_AMD64_SNP_RESERVED_MASK GENMASK_ULL(63, MSR_AMD64_SNP_RESV_BIT)