exception_level 80 kernel/debug/debug_core.c static int exception_level; exception_level 480 kernel/debug/debug_core.c exception_level++; exception_level 491 kernel/debug/debug_core.c exception_level = 0; exception_level 502 kernel/debug/debug_core.c if (exception_level > 1) { exception_level 563 kernel/debug/debug_core.c if (exception_level == 1) { exception_level 676 kernel/debug/debug_core.c exception_level = 0;