Re: [PATCH 0/2] ftrace: fixes for PPC

From: Ingo Molnar
Date: Sat Sep 06 2008 - 08:04:32 EST



* Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> I spent the day chasing a bug that would hang PPC on boot up when
> ftrace is configured in. I found that it was simply a stupid bug I did
> to handle the non MCOUNT_RECORD case. Since I was testing only on x86,
> and the MCOUNT_RECORD is automatically set for dynamic ftrace if it is
> available, I did not test the case where MCOUNT_RECORD was not set.
>
> I have not finished porting MCOUNT_RECORD to PPC, but have found that
> it has caused some issues for archs that do not support it yet.
>
> This patch series handles these cases.

applied to tip/tracing/ftrace, thanks Steve.

Ingo
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