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| author | Matt Mullins <mmullins@fb.com> | 2018-12-12 16:42:37 -0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2018-12-18 14:08:12 -0800 |
| commit | a38d1107f937ca95dcf820161ef44ea683d6a0b1 (patch) | |
| tree | 6fe1371db87f368a635d6d4aa7ef58031a940cf7 /kernel/module.c | |
| parent | a137401d85129953a1713d443216eb6b1074c12e (diff) | |
| download | lwn-a38d1107f937ca95dcf820161ef44ea683d6a0b1.tar.gz lwn-a38d1107f937ca95dcf820161ef44ea683d6a0b1.zip | |
bpf: support raw tracepoints in modules
Distributions build drivers as modules, including network and filesystem
drivers which export numerous tracepoints. This enables
bpf(BPF_RAW_TRACEPOINT_OPEN) to attach to those tracepoints.
Signed-off-by: Matt Mullins <mmullins@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/module.c')
| -rw-r--r-- | kernel/module.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/module.c b/kernel/module.c index 49a405891587..06ec68f08387 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -3093,6 +3093,11 @@ static int find_module_sections(struct module *mod, struct load_info *info) sizeof(*mod->tracepoints_ptrs), &mod->num_tracepoints); #endif +#ifdef CONFIG_BPF_EVENTS + mod->bpf_raw_events = section_objs(info, "__bpf_raw_tp_map", + sizeof(*mod->bpf_raw_events), + &mod->num_bpf_raw_events); +#endif #ifdef HAVE_JUMP_LABEL mod->jump_entries = section_objs(info, "__jump_table", sizeof(*mod->jump_entries), |