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| author |   Gary Lin <glin@suse.com> | 2019-05-08 15:54:48 +0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2019-05-09 15:59:59 -0700 |
| commit | 3ef4641fbf870ee1ecd5f890a54881b7f0e20b90 (patch) | |
| tree | 3b4103af0ee9c37188ac7f11573bfc17379fd729 /Documentation/bpf/btf.rst | |
| parent | nfp: bpf: fix static check error through tightening shift amount adjustment (diff) | |
| download | linux-dev-3ef4641fbf870ee1ecd5f890a54881b7f0e20b90.tar.xz linux-dev-3ef4641fbf870ee1ecd5f890a54881b7f0e20b90.zip | |
docs/btf: fix the missing section marks
The section titles of 3.4 and 3.5 are not marked correctly.
Signed-off-by: Gary Lin <glin@suse.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | Documentation/bpf/btf.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/bpf/btf.rst b/Documentation/bpf/btf.rst index 29396e6943b0..8820360d00da 100644 --- a/Documentation/bpf/btf.rst +++ b/Documentation/bpf/btf.rst @@ -578,6 +578,7 @@ For line_info, the line number and column number are defined as below: #define BPF_LINE_INFO_LINE_COL(line_col) ((line_col) & 0x3ff) 3.4 BPF_{PROG,MAP}_GET_NEXT_ID +============================== In kernel, every loaded program, map or btf has a unique id. The id won't change during the lifetime of a program, map, or btf. @@ -587,6 +588,7 @@ each command, to user space, for bpf program or maps, respectively, so an inspection tool can inspect all programs and maps. 3.5 BPF_{PROG,MAP}_GET_FD_BY_ID +=============================== An introspection tool cannot use id to get details about program or maps. A file descriptor needs to be obtained first for reference-counting purpose. |