Re: [RFC][PATCH 11/11] sched: More notrace

From: Thomas Gleixner
Date: Tue Sep 29 2015 - 09:20:06 EST

On Tue, 29 Sep 2015, Peter Zijlstra wrote:

> preempt_schedule_common() is marked notrace, but it does not use
> _notrace() preempt_count functions and __schedule() is also not marked
> notrace, which means that its perfectly possible to end up in the
> tracer from preempt_schedule_common().
> So either we need more notrace, or we need to remove notrace from
> preempt_schedule_common().

More notrace is the right thing to do. We have enough pointless
information in tracing already.

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
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