unw_is_intr_frame 755 arch/ia64/kernel/ptrace.c if (unw_is_intr_frame(&info) unw_is_intr_frame 1982 arch/ia64/kernel/unwind.c if (unw_is_intr_frame(info) && unw_is_intr_frame 96 arch/ia64/oprofile/backtrace.c if (unw_is_intr_frame(&bt->frame)) {