Commit 8f96da02 authored May 12, 2008 by Steven Rostedt Committed by Thomas Gleixner May 23, 2008

ftrace: remove wakeup from function trace



trace_function is called by mcount and calling wake_up from that
can have unpredictable results. This patch removes the wakeup from
trace_function.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent 694379e9

kernel/trace/trace.c

+0 −2

Original line number	Original line	Diff line number	Diff line
	@@ -659,8 +659,6 @@ trace_function(struct trace_array tr, struct trace_array_cpu data,
	entry->fn.ip = ip;		entry->fn.ip = ip;
	entry->fn.parent_ip = parent_ip;		entry->fn.parent_ip = parent_ip;
	spin_unlock_irqrestore(&data->lock, irq_flags);		spin_unlock_irqrestore(&data->lock, irq_flags);

	trace_wake_up();
	}		}

	void		void