Re: [PATCH] ftrace: only trace preempt off with preempt tracer

From: Ingo Molnar
Date: Fri Jul 18 2008 - 12:58:22 EST

* Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> When PREEMPT_TRACER and IRQSOFF_TRACER are both configured and irqsoff
> tracer is running, the preempt_off sections might also be traced.
> Thanks to Andrew Morton for pointing out my mistake of spin_lock
> disabling interrupts while he was reviewing ftrace.txt. Seems that my
> example I used actually hit this bug.

applied to tip/tracing/urgent - thanks Steve.

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