On Thu, Jan 23, 2025 at 02:32:38PM -0800, Martin KaFai Lau wrote: > Hi Jiri, > > The "missed/kprobe_recursion" fails consistently on s390. It seems to start > failing after the recent bpf and bpf-next tree ffwd. > > An example: > https://github.com/kernel-patches/bpf/actions/runs/12934431612/job/36076956920 > > Can you help to take a look? > > afaict, it only happens on s390 so far, so cc IIya if there is any recent > change that may ring the bell. hi, I need to check more but I wonder it's the: 7495e179b478 s390/tracing: Enable HAVE_FTRACE_GRAPH_FUNC which seems to add recursion check and bail out before we have a chance to trigger it in bpf code jirka
