On Mon, Jan 13, 2020 at 01:31:38PM +0100, Björn Töpel wrote: > On 2020-01-13 13:21, Björn Töpel wrote: > > > > On 2020-01-13 10:43, Jiri Olsa wrote: > > > hi, > > > attached patch seems to work for me (trampoline usecase), but I > > > don't know > > > how to test it for dispatcher.. also I need to check if we need to > > > decrease > > > BPF_TRAMP_MAX or BPF_DISPATCHER_MAX, it might take more time;-) > > > > > > > Thanks for working on it! I'll take the patch for a spin. > > > > To test the dispatcher, just run XDP! > > > > With your change, the BPF_DISPATCHER_MAX is still valid. 48 entries => > > 1890B which is < (BPF_IMAGE_SIZE / 2). great > > > > ...and FWIW, it would be nice with bpf_dispatcher_<...> entries in kallsyms ok so it'd be 'bpf_dispatcher_<name>' from DEFINE_BPF_DISPATCHER(name) > as well. If that code could be shared with the trampoline code as well > (bpf_trampoline_<btf_id>), that'd be great! > ok, will add it thanks, jirka