On Fri, 13 Oct 2023 12:43:18 -0700 Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> wrote: > > Correct. My Ack is based on the current way things are done upstream. > > It was just that linux-rt showed the issue, where the code was not as > > robust as it should have been. To me this was a correctness issue, not > > an issue that had to do with how things are done in linux-rt. > > I think we should at least add some BUILD_BUG_ON() that validates > offsets in syscall_tp_t matches the ones in syscall_trace_enter and > syscall_trace_exit, to fail more loudly if there is any mismatch in > the future. WDYT? If you want to, feel free to send a patch. > > > > > As for the changes in linux-rt, they are not upstream yet. I'll have my > > comments on that code when that happens. > > Ah, ok, cool. I'd appreciate you cc'ing bpf@xxxxxxxxxxxxxxx in that > discussion, thank you! If I remember ;-) -- Steve