On Wed, 15 Oct 2025 09:06:12 -0700 Josh Poimboeuf <[email protected]> wrote:
> > Hmm, we do have a way to retrieve the actual return caller from a location > > for return_to_handler: > > > > See kernel/trace/fgraph.c: ftrace_graph_get_ret_stack() > > > > Hmm, I think the x86 ORC unwinder needs to use this. > > I'm confused, is that not what ftrace_graph_ret_addr() already does? Ah yeah, that does it too. I just searched for the first function that did the look up ;-) Now I guess the question is, why is this not working? -- Steve
