Re: [RFC][PATCH] ppc: Implement save_stack_trace_regs()

[Steven Rostedt]

On Wed, 16 Dec 2015 12:24:19 -0500
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> On Wed, 09 Dec 2015 12:03:05 +1100
> Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote:
> 
> > > > Should I take this via powerpc or do you want it to go in via tracing?    
> > > 
> > > You can take it. And you can replace the PT_R1 if you want. I just
> > > noticed that it was defined, and I try to use macro names instead of
> > > hard coded numbers. I was actually looking for a "PT_SP" :-)    
> > 
> > OK thanks.
> > 
> > Looks like we actually have:
> > 
> >   #define kernel_stack_pointer(regs) ((regs)->gpr[1])
> > 
> > So that would be the most self documenting way to do it I guess, though I've
> > never actually seen that macro used anywhere before :)  
> 
> Hi,
> 
> Are you going to take this, or do you want me to?
> 
> -- Steve

Ping?

-- Steve