Re: x86-32: Early microcode loading stumbles over disabled DYNAMIC_FTRACE

From: Jan Kiszka
Date: Fri Aug 30 2013 - 13:34:24 EST


On 2013-08-30 19:25, Steven Rostedt wrote:
> On Fri, 30 Aug 2013 10:16:00 -0700
> "H. Peter Anvin" <hpa@xxxxxxxxx> wrote:
>
>>> Who uses static tracing? I only use it to test that it still works ;-)
>>
>> Can we get rid of it?
>>
>
> I've though about it. But as some archs only have static tracing
> available (I need to revisit to make sure that's still the case), I
> kept it because I only test static tracing on x86.
>
> I'm not sure if people still use it for x86 or not.
>
> Jan, you use static tracing on x86?

Yes, due to out-of-tree code that is not compatible with dynamic
tracing. It might be feasible to change this, I didn't try again
recently. If static tracing goes away upstream, I'll have to sooner or
later.

Jan

--
Siemens AG, Corporate Technology, CT RTC ITP SES-DE
Corporate Competence Center Embedded Linux
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