diff options
Diffstat (limited to 'kernel/trace/ftrace.c')
| -rw-r--r-- | kernel/trace/ftrace.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index b920358dd8f7..a12aff849c04 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -70,12 +70,8 @@ #define INIT_OPS_HASH(opsname) \ .func_hash = &opsname.local_hash, \ .local_hash.regex_lock = __MUTEX_INITIALIZER(opsname.local_hash.regex_lock), -#define ASSIGN_OPS_HASH(opsname, val) \ - .func_hash = val, \ - .local_hash.regex_lock = __MUTEX_INITIALIZER(opsname.local_hash.regex_lock), #else #define INIT_OPS_HASH(opsname) -#define ASSIGN_OPS_HASH(opsname, val) #endif enum { @@ -3880,7 +3876,7 @@ static int ftrace_hash_move_and_update_ops(struct ftrace_ops *ops, static bool module_exists(const char *module) { /* All modules have the symbol __this_module */ - const char this_mod[] = "__this_module"; + static const char this_mod[] = "__this_module"; char modname[MAX_PARAM_PREFIX_LEN + sizeof(this_mod) + 2]; unsigned long val; int n; @@ -6265,6 +6261,9 @@ __ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip, preempt_disable_notrace(); do_for_each_ftrace_op(op, ftrace_ops_list) { + /* Stub functions don't need to be called nor tested */ + if (op->flags & FTRACE_OPS_FL_STUB) + continue; /* * Check the following for each ops before calling their func: * if RCU flag is set, then rcu_is_watching() must be true |