TEAR_REG 618 arch/s390/kernel/perf_cpum_sf.c TEAR_REG(hwc) = (unsigned long) sdbt_origin; TEAR_REG 1261 arch/s390/kernel/perf_cpum_sf.c sdbt = (unsigned long *) TEAR_REG(hwc); TEAR_REG 1309 arch/s390/kernel/perf_cpum_sf.c TEAR_REG(hwc) = (unsigned long) sdbt;