On Mon, 16 Sep 2024 20:59:05 +0200 Heiko Carstens <hca@xxxxxxxxxxxxx> wrote: > On Mon, Sep 16, 2024 at 12:29:30PM -0400, Steven Rostedt wrote: > > On Mon, 16 Sep 2024 14:16:56 +0200 > > Heiko Carstens <hca@xxxxxxxxxxxxx> wrote: > > > > > This does not pass the ftrace selftests. Please merge the patch below > > > into this patch. With that: > > > > > > Acked-by: Heiko Carstens <hca@xxxxxxxxxxxxx> > > > > Thank you very much, this is why I wanted arch maintainers acks before > > taking anything. > > > > There may be other patches in this series that I didn't Cc everyone > > (yet). Did you look at the other patches? If not, I'll go and do the Cc. > > It's a manual process. > > I just had a quick look and tried Masami's git tree with the > topic/fprobe-on-fgraph branch and tried the ftrace selftests, which > resulted in the provided small fix. Thanks, and sorry, my change on s390 was wrong. I confused that `stack_frame` can be a part of `ftrace_regs`. But at least in this moment, `ftrace_regs` should replace only `fgraph_ret_regs`. > > But now that you ask, I can see that FPROBE is not available on s390 > anymore with the full series, since HAVE_FTRACE_GRAPH_FUNC is not > available. Right, this is required for implementing fprobe. > > Also the s390 variant of arch_ftrace_fill_perf_regs() seems to be > incorrect. Can you tell me what part will be wrong? Thank you, > > Looks like some work is needed from our side. -- Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>