KVM_REG_S390_EPOCHDIFF  280 arch/s390/include/uapi/asm/kvm.h #define KVM_REG_S390_EPOCHDIFF	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
KVM_REG_S390_EPOCHDIFF  280 tools/arch/s390/include/uapi/asm/kvm.h #define KVM_REG_S390_EPOCHDIFF	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)