Currently the trace_recursive checks are only done if CONFIG_TRACING
is enabled. That was because there use to be a dependency with tracing
for the recursive checks (it used the task_struct trace recursive
variable). But now it uses its own variable and there is no dependency.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
return NULL;
}
-#ifdef CONFIG_TRACING
-
/*
* The lock and unlock are done within a preempt disable section.
* The current_context per_cpu variable can only be modified
cpu_buffer->current_context &= cpu_buffer->current_context - 1;
}
-#else
-
-#define trace_recursive_lock(cpu_buffer) (0)
-#define trace_recursive_unlock(cpu_buffer) do { } while (0)
-
-#endif
-
/**
* ring_buffer_lock_reserve - reserve a part of the buffer
* @buffer: the ring buffer to reserve from