# Re: \[PATCH 0/7\] Porting dynmaic ftrace to PowerPC

- From: Steven Rostedt \<rostedt@goodmis.org\>
- Date: 2008-11-19 12:15:37 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2008/11/1176392
- Thread: https://ratatoskr.run/lkml/2008/11/1175227/t.md

```text
On Wed, 19 Nov 2008, Steven Rostedt wrote:

> 
> On Wed, 19 Nov 2008, Ingo Molnar wrote:
> > 
> > Maybe Steve could do the following trick: create a Linus -git based 
> > branch that uses the new APIs but marks ppc's ftrace as "depends 0" in 
> > the powerpc Kconfig. (the new ftrace.c wont build)
> 
> There's only two generic commits that need to be added for the PowerPC 
> code to work.
> 
>   ftrace: pass module struct to arch dynamic ftrace functions
>   ftrace: allow NULL pointers in mcount_loc
> 
> I've already ported them to mainline to test PowerPC there.
> Paul could use these two versions and keep ftrace in a separate branch in 
> his tree. This way all the PowerPC code will be there, and actually can be 
> tested. They may still hit the same bugs that we have fixed in tip, but 
> those should all be minor, since any major bug is already in mainline or 
> on its way.

I just pushed all the PowerPC patches on top of this port it works.
I still need to rework the patches for Paul.

-- Steve
```