On Thu, May 12, 2022 at 6:23 AM Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> wrote: > > On Sat, Apr 30, 2022 at 09:12:09AM +0200, Benjamin Tissoires wrote: > > > > Also, I wonder if we should not have some way to namespace kfuncs. > > Ideally, I would like to prevent the usage of those kfuncs outside of > > some helpers that I define in HID so I don't have to worry too much > > about other trace programs fuzzing and segfaulting the kernel. > > That would be a great feature to have. Other folks expressed the same interest. > Just grouping them by prog type is not flexible enough. > It feels kfuncs could be scoped by (prog_type, attach_btf_id or attach_hook) pair. > What are your thoughts? > Scoping by attach_btf_id is very appealing to me (attach_hook less TBH): I have internal functions I do not want normal users to use, and also it would also restrict who can call what in the more general case. However, I don't think I'll put that effort in v5. It is a nice to have feature IMO, but not really required ATM. Cheers, Benjamin
