Re: [PATCH 1/2] tracing/ftrace: don't trace on early stage of secondary cpu boot

[Frédéric Weisbecker]

2008/12/24 Steven Rostedt <rostedt@xxxxxxxxxxx>:
>
> On Wed, 24 Dec 2008, Fr?d?ric Weisbecker wrote:
>>
>>
>> I first thought about annotate those first functions with "notrace".
>> But the code inside
>> cpu_init/pda_init could change later and call external/traced function.
>
> We could also hit it with the CFLAGS_REMOVE_common.o = -pg hammer.
> Those functions will not change much, and I doubt they will call other
> functions for the same reason that we can not call them. A simple
> preempt_disable here will crash the box.
>
> -- Steve

Ok, I will try with this solution.

Thanks.
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