Re: [PATCH v4 11/39] unwind_user: Add user space unwinding API

[Josh Poimboeuf]

On Fri, Jan 24, 2025 at 05:41:29PM +0100, Jens Remus wrote:
> On 22.01.2025 03:31, Josh Poimboeuf wrote:
> > +int unwind_user_next(struct unwind_user_state *state)
> > +{
> > +	struct unwind_user_frame _frame;
> > +	struct unwind_user_frame *frame = &_frame;
> > +	unsigned long cfa = 0, fp, ra = 0;
> 
> Why are cfa and ra initialized to zero? Where is that important in
> subsequent patches?
> 
> "[PATCH v4 12/39] unwind_user: Add frame pointer support" does either
> unconditionally set both cfa and ra or bail out.

Right, probably leftovers from some previous iteration.  I drop those.

-- 
Josh