unwind_for_each_frame 133 arch/s390/kernel/dumpstack.c unwind_for_each_frame(&state, task, NULL, (unsigned long) stack) unwind_for_each_frame 229 arch/s390/kernel/perf_event.c unwind_for_each_frame(&state, current, regs, 0) { unwind_for_each_frame 19 arch/s390/kernel/stacktrace.c unwind_for_each_frame(&state, task, regs, 0) { unwind_for_each_frame 22 arch/s390/oprofile/init.c unwind_for_each_frame(&state, current, regs, 0) {