diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/debug/kdb/kdb_main.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index cdfc0a7e583e..496f596aa807 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -681,6 +681,10 @@ static int kdb_defcmd(int argc, const char **argv) } if (argc != 3) return KDB_ARGCOUNT; + if (in_dbg_master()) { + kdb_printf("Command only available during kdb_init()\n"); + return KDB_NOTIMP; + } defcmd_set = kmalloc((defcmd_set_count + 1) * sizeof(*defcmd_set), GFP_KDB); if (!defcmd_set) @@ -2796,8 +2800,8 @@ static void __init kdb_inittab(void) "Stack traceback", 1, KDB_REPEAT_NONE); kdb_register_repeat("btp", kdb_bt, "<pid>", "Display stack for process <pid>", 0, KDB_REPEAT_NONE); - kdb_register_repeat("bta", kdb_bt, "[DRSTCZEUIMA]", - "Display stack all processes", 0, KDB_REPEAT_NONE); + kdb_register_repeat("bta", kdb_bt, "[D|R|S|T|C|Z|E|U|I|M|A]", + "Backtrace all processes matching state flag", 0, KDB_REPEAT_NONE); kdb_register_repeat("btc", kdb_bt, "", "Backtrace current process on each cpu", 0, KDB_REPEAT_NONE); kdb_register_repeat("btt", kdb_bt, "<vaddr>", |