diff options
| -rw-r--r-- | lib/debugobjects.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/debugobjects.c b/lib/debugobjects.c index 2315a75c45c3..5f23d896df55 100644 --- a/lib/debugobjects.c +++ b/lib/debugobjects.c @@ -460,6 +460,16 @@ static struct debug_obj *lookup_object_or_alloc(void *addr, struct debug_bucket return NULL; } +static void debug_objects_fill_pool(void) +{ + /* + * On RT enabled kernels the pool refill must happen in preemptible + * context: + */ + if (!IS_ENABLED(CONFIG_PREEMPT_RT) || preemptible()) + fill_pool(); +} + static void __debug_object_init(void *addr, struct debug_obj_descr *descr, int onstack) { @@ -468,7 +478,7 @@ __debug_object_init(void *addr, struct debug_obj_descr *descr, int onstack) struct debug_obj *obj; unsigned long flags; - fill_pool(); + debug_objects_fill_pool(); db = get_bucket((unsigned long) addr); @@ -553,6 +563,8 @@ int debug_object_activate(void *addr, struct debug_obj_descr *descr) if (!debug_objects_enabled) return 0; + debug_objects_fill_pool(); + db = get_bucket((unsigned long) addr); raw_spin_lock_irqsave(&db->lock, flags); @@ -762,6 +774,8 @@ void debug_object_assert_init(void *addr, struct debug_obj_descr *descr) if (!debug_objects_enabled) return; + debug_objects_fill_pool(); + db = get_bucket((unsigned long) addr); raw_spin_lock_irqsave(&db->lock, flags); |