On Tue, Jul 15, 2025 at 10:32 AM Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> wrote: > > On Thu, Jul 3, 2025 at 5:17 AM Menglong Dong <menglong8.dong@xxxxxxxxx> wrote: > > > > Besides the performance, we also need to make the global trampoline > > collaborate with bpf trampoline. For now, FENTRY_MULTI will be attached > > to the target who already have FENTRY on it, and -EEXIST will be returned. > > So we need another series to make them work together. > > This needs to be thought through from the beginning. > Without it the feature is way too limiting. > People have fentry attached 24/7. It's not merely tracing use case. > fentry-multi has to be able to co-exist. V1 contained this part. To make the series simple, I splitted it out to another series. Should I put it back in this series? There are already 18 patches in this series, and there are about 5 patches for that part :/