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

Steven Rostedt
2015-12-16T17:24:24Z

On Wed, 09 Dec 2015 12:03:05 +1100
Michael Ellerman <mpe@ellerman.id.au> 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