linux-kernel - [PATCH bpf-next] bpf, docs: BPF Iterator Document

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Message-Id: <20230622095407.1024053-1-aspsk@isovalent.com>
Date:   Thu, 22 Jun 2023 09:54:07 +0000
From:   Anton Protopopov <aspsk@...valent.com>
To:     bpf@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, David Vernet <void@...ifault.com>,
        Sreevani Sreejith <psreep@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Jonathan Corbet <corbet@....net>
Cc:     Anton Protopopov <aspsk@...valent.com>
Subject: [PATCH bpf-next] bpf, docs: BPF Iterator Document

Fix the description of the seq_info field of the bpf_iter_reg structure which
was wrong due to an accidental copy/paste of the previous field's description.

Fixes: 8972e18a439d ("bpf, docs: BPF Iterator Document")
Signed-off-by: Anton Protopopov <aspsk@...valent.com>
---
 Documentation/bpf/bpf_iterators.rst | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/Documentation/bpf/bpf_iterators.rst b/Documentation/bpf/bpf_iterators.rst
index 6d7770793fab..07433915aa41 100644
--- a/Documentation/bpf/bpf_iterators.rst
+++ b/Documentation/bpf/bpf_iterators.rst
@@ -238,11 +238,8 @@ The following is the breakdown for each field in struct ``bpf_iter_reg``.
        that the kernel function cond_resched() is called to avoid other kernel
        subsystem (e.g., rcu) misbehaving.
    * - seq_info
-     - Specifies certain action requests in the kernel BPF iterator
-       infrastructure. Currently, only BPF_ITER_RESCHED is supported. This means
-       that the kernel function cond_resched() is called to avoid other kernel
-       subsystem (e.g., rcu) misbehaving.
-
+     - Specifies the set of seq operations for the BPF iterator and helpers to
+       initialize/free the private data for the corresponding ``seq_file``.
 
 `Click here
 <https://lore.kernel.org/bpf/20210212183107.50963-2-songliubraving@fb.com/>`_
-- 
2.34.1