| Message ID | 20201215233702.3301881-4-songliubraving@fb.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | BPF |
| Headers | show |
| Series | introduce bpf_iter for task_vma | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for bpf-next |
| netdev/subject_prefix | success | Link |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 11 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/header_inline | success | Link |
| netdev/stable | success | Stable not CCed |
On 12/15/20 3:37 PM, Song Liu wrote: > Sleepable iterator program have access to helper functions like bpf_d_path. > > Signed-off-by: Song Liu <songliubraving@fb.com> Acked-by: Yonghong Song <yhs@fb.com>
On Wed, Dec 16, 2020 at 6:44 PM Yonghong Song <yhs@fb.com> wrote: > > > > On 12/15/20 3:37 PM, Song Liu wrote: > > Sleepable iterator program have access to helper functions like bpf_d_path. > > > > Signed-off-by: Song Liu <songliubraving@fb.com> > > Acked-by: Yonghong Song <yhs@fb.com> Acked-by: KP Singh <kpsingh@kernel.org>
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 6ae748f6ea118..12ad4593a91cb 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -8541,6 +8541,11 @@ 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,
Sleepable iterator program have access to helper functions like bpf_d_path. Signed-off-by: Song Liu <songliubraving@fb.com> --- tools/lib/bpf/libbpf.c | 5 +++++ 1 file changed, 5 insertions(+)