[PATCH 7/8][RFC] ftrace: Use only the preempt version of function tracing

From: Steven Rostedt The function tracer had two different versions of function tracing. The disabling of irqs version and the preempt disable version. As function tracing in very intrusive and can cause nasty recursion issues, it has its own recursion protection. But the old method to do this

[PATCH 7/8][RFC] ftrace: Use only the preempt version of function tracing

From: Steven Rostedt The function tracer had two different versions of function tracing. The disabling of irqs version and the preempt disable version. As function tracing in very intrusive and can cause nasty recursion issues, it has its own recursion protection. But the old method to do this