Re: [PATCH 06/20 -v5] add notrace annotations for NMI routines

[Jan Kiszka]

Steven Rostedt wrote:
> On Wed, 23 Jan 2008, Mathieu Desnoyers wrote:
> 
>> * Steven Rostedt (rostedt@xxxxxxxxxxx) wrote:
>>> This annotates NMI functions with notrace. Some tracers may be able
>>> to live with this, but some cannot. So we turn off NMI tracing.
>>>
>>> One solution might be to make a notrace_nmi which would only turn
>>> off NMI tracing if a trace utility needed it off.
>>>
>> Is this still needed with the atomic clocksource read ?
>>
> 
> Before you ask again, I've still included this in -v6, simply because I
> didn't get a chance to test it without this patch. I'll try to remember to
> do that on Monday.

Only in case you finally have to keep the annotations for the posted
tracer: Then please make it a Kconfig selectable restriction, because
there are use cases of the mcount hook where you are interested in NMI
invocations.

TiA,
Jan

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Corporate Competence Center Embedded Linux
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