old__debugger_fault_handler 465 arch/powerpc/kernel/kgdb.c static void *old__debugger_fault_handler; old__debugger_fault_handler 475 arch/powerpc/kernel/kgdb.c old__debugger_fault_handler = __debugger_fault_handler; old__debugger_fault_handler 496 arch/powerpc/kernel/kgdb.c __debugger_fault_handler = old__debugger_fault_handler;