diff options
| -rw-r--r-- | kernel/lockdep.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index c5d1e6bbdb3..6a3bccba7e7 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -380,6 +380,13 @@ static int verbose(struct lock_class *class) unsigned long nr_stack_trace_entries; static unsigned long stack_trace[MAX_STACK_TRACE_ENTRIES]; +static void print_lockdep_off(const char *bug_msg) +{ + printk(KERN_DEBUG "%s\n", bug_msg); + printk(KERN_DEBUG "turning off the locking correctness validator.\n"); + printk(KERN_DEBUG "Please attach the output of /proc/lock_stat to the bug report\n"); +} + static int save_trace(struct stack_trace *trace) { trace->nr_entries = 0; @@ -409,9 +416,7 @@ static int save_trace(struct stack_trace *trace) if (!debug_locks_off_graph_unlock()) return 0; - printk("BUG: MAX_STACK_TRACE_ENTRIES too low!\n"); - printk("turning off the locking correctness validator.\n"); - printk("Attach output of /proc/lock_stat to bug report\n"); + print_lockdep_off("BUG: MAX_STACK_TRACE_ENTRIES too low!"); dump_stack(); return 0; @@ -764,9 +769,7 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) } raw_local_irq_restore(flags); - printk("BUG: MAX_LOCKDEP_KEYS too low!\n"); - printk("turning off the locking correctness validator.\n"); - printk("Attach output of /proc/lock_stat to bug report\n"); + print_lockdep_off("BUG: MAX_LOCKDEP_KEYS too low!"); dump_stack(); return NULL; } @@ -836,9 +839,7 @@ static struct lock_list *alloc_list_entry(void) if (!debug_locks_off_graph_unlock()) return NULL; - printk("BUG: MAX_LOCKDEP_ENTRIES too low!\n"); - printk("turning off the locking correctness validator.\n"); - printk("Attach output of /proc/lock_stat to bug report\n"); + print_lockdep_off("BUG: MAX_LOCKDEP_ENTRIES too low!"); dump_stack(); return NULL; } @@ -2051,9 +2052,7 @@ cache_hit: if (!debug_locks_off_graph_unlock()) return 0; - printk("BUG: MAX_LOCKDEP_CHAINS too low!\n"); - printk("turning off the locking correctness validator.\n"); - printk("Attach output of /proc/lock_stat to bug report\n"); + print_lockdep_off("BUG: MAX_LOCKDEP_CHAINS too low!"); dump_stack(); return 0; } @@ -3192,10 +3191,9 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass, #endif if (unlikely(curr->lockdep_depth >= MAX_LOCK_DEPTH)) { debug_locks_off(); - printk("BUG: MAX_LOCK_DEPTH too low, depth: %i max: %lu!\n", + print_lockdep_off("BUG: MAX_LOCK_DEPTH too low!"); + printk(KERN_DEBUG "depth: %i max: %lu!\n", curr->lockdep_depth, MAX_LOCK_DEPTH); - printk("turning off the locking correctness validator.\n"); - printk("Attach output of /proc/lock_stat to bug report\n"); lockdep_print_held_locks(current); debug_show_all_locks(); |