[PATCH bpf-next 3/4] libbpf: introduce section "iter.s/" for sleepable bpf_iter program
From: Song Liu <hidden>
Date: 2020-12-12 02:51:25
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [library] (libbpf), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
Sleepable iterator program have access to helper functions like bpf_d_path. Signed-off-by: Song Liu <redacted> --- tools/lib/bpf/libbpf.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 9be88a90a4aad..9204d12d04bf8 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c@@ -8535,6 +8535,11 @@ static const struct bpf_sec_def section_defs[] = { .expected_attach_type = BPF_TRACE_ITER, .is_attach_btf = true, .attach_fn = attach_iter), + SEC_DEF("iter.s/", TRACING, + .expected_attach_type = BPF_TRACE_ITER, + .is_attach_btf = true, + .is_sleepable = true, + .attach_fn = attach_iter), BPF_EAPROG_SEC("xdp_devmap/", BPF_PROG_TYPE_XDP, BPF_XDP_DEVMAP), BPF_EAPROG_SEC("xdp_cpumap/", BPF_PROG_TYPE_XDP,
--
2.24.1