From: Gary Lin Date: Wed, 8 May 2019 07:54:48 +0000 (+0800) Subject: docs/btf: fix the missing section marks X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=3ef4641fbf870ee1ecd5f890a54881b7f0e20b90;p=openwrt%2Fstaging%2Fblogic.git 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 Signed-off-by: Alexei Starovoitov --- 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.