diff options
Diffstat (limited to 'kernel/trace/ftrace.c')
| -rw-r--r-- | kernel/trace/ftrace.c | 22 | 
1 files changed, 12 insertions, 10 deletions
| diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 7efbc8aaf7f6..feebf57c6458 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -2208,7 +2208,7 @@ static int ftrace_check_record(struct dyn_ftrace *rec, bool enable, bool update)  }  /** - * ftrace_update_record, set a record that now is tracing or not + * ftrace_update_record - set a record that now is tracing or not   * @rec: the record to update   * @enable: set to true if the record is tracing, false to force disable   * @@ -2221,7 +2221,7 @@ int ftrace_update_record(struct dyn_ftrace *rec, bool enable)  }  /** - * ftrace_test_record, check if the record has been enabled or not + * ftrace_test_record - check if the record has been enabled or not   * @rec: the record to test   * @enable: set to true to check if enabled, false if it is disabled   * @@ -2574,7 +2574,7 @@ struct ftrace_rec_iter {  };  /** - * ftrace_rec_iter_start, start up iterating over traced functions + * ftrace_rec_iter_start - start up iterating over traced functions   *   * Returns an iterator handle that is used to iterate over all   * the records that represent address locations where functions @@ -2605,7 +2605,7 @@ struct ftrace_rec_iter *ftrace_rec_iter_start(void)  }  /** - * ftrace_rec_iter_next, get the next record to process. + * ftrace_rec_iter_next - get the next record to process.   * @iter: The handle to the iterator.   *   * Returns the next iterator after the given iterator @iter. @@ -2630,7 +2630,7 @@ struct ftrace_rec_iter *ftrace_rec_iter_next(struct ftrace_rec_iter *iter)  }  /** - * ftrace_rec_iter_record, get the record at the iterator location + * ftrace_rec_iter_record - get the record at the iterator location   * @iter: The current iterator location   *   * Returns the record that the current @iter is at. @@ -2733,7 +2733,7 @@ static int __ftrace_modify_code(void *data)  }  /** - * ftrace_run_stop_machine, go back to the stop machine method + * ftrace_run_stop_machine - go back to the stop machine method   * @command: The command to tell ftrace what to do   *   * If an arch needs to fall back to the stop machine method, the @@ -2745,7 +2745,7 @@ void ftrace_run_stop_machine(int command)  }  /** - * arch_ftrace_update_code, modify the code to trace or not trace + * arch_ftrace_update_code - modify the code to trace or not trace   * @command: The command that needs to be done   *   * Archs can override this function if it does not need to @@ -6977,7 +6977,7 @@ __ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,  	struct ftrace_ops *op;  	int bit; -	bit = trace_test_and_set_recursion(ip, parent_ip, TRACE_LIST_START, TRACE_LIST_MAX); +	bit = trace_test_and_set_recursion(ip, parent_ip, TRACE_LIST_START);  	if (bit < 0)  		return; @@ -7052,7 +7052,7 @@ static void ftrace_ops_assist_func(unsigned long ip, unsigned long parent_ip,  {  	int bit; -	bit = trace_test_and_set_recursion(ip, parent_ip, TRACE_LIST_START, TRACE_LIST_MAX); +	bit = trace_test_and_set_recursion(ip, parent_ip, TRACE_LIST_START);  	if (bit < 0)  		return; @@ -7525,7 +7525,9 @@ void ftrace_kill(void)  }  /** - * Test if ftrace is dead or not. + * ftrace_is_dead - Test if ftrace is dead or not. + * + * Returns 1 if ftrace is "dead", zero otherwise.   */  int ftrace_is_dead(void)  { |