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Date:   Thu, 26 Oct 2017 06:55:51 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Julien Thierry <julien.thierry@....com>
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH] trace: fix undefined tracing functions build error

On Thu, 26 Oct 2017 09:37:40 +0100
Julien Thierry <julien.thierry@....com> wrote:

> When selecting CONFIG_PREEMPTIRQ_EVENTS without CONFIG_DEBUG_PREEMPT,
> trace_preempt_(en|dis)able_* names do not get defined. This causes a build
> error in function trace_preempt_off (kernel/trace/trace_irqsoff.c) when
> CONFIG_PREEMPT_TRACER is enabled.
> 
> Similarly, when selecting CONFIG_PREEMPTIRQ_EVENTS and
> CONFIG_PROVE_LOCKING, trace_irq_(en|dis)able_* names do not get defined,
> although it seems they do not get referenced in that configuration.
> 
> Ensure trace_(irq|preempt)_* names are always defined, becoming empty
> macros in the cases where they were not defined previously.
> 

Thanks,

But I've seen another patch that I believe fixes this issue, but I'm
currently traveling in Prague, and attending several conferences there,
and haven't had time to look at my email.

When I get home next week I'll be applying patches sent to me.

Thanks,

-- Steve

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