From: sashiko-bot@kernel.org
Cc: linux-security-module@vger.kernel.org
Subject: Re: [PATCH bpf-next v1 09/11] bpf: support "__uninit" iterator arguments in generic kfuncs
Date: Tue, 13 Oct 2026 17:04:52 +0000 [thread overview]
Message-ID: <sashiko-outbox-170188@kernel.org> (raw)
In-Reply-To: <20261013164800.2906577-10-utilityemal77@gmail.com>
> Iterator constructors are recognised by their KF_ITER_NEW flag, which
> binds them to the bpf_iter_<type>_new() name and so to a single
> constructor per type. A kfunc that initializes an iterator from inputs
> that naming convention cannot express - e.g. another, already
> initialized iterator - therefore cannot be a constructor.
>
> Let such a kfunc mark its destination argument with the "__uninit"
> suffix already used for dynptr out-arguments: process_iter_arg() now
> decides per argument, rather than per kfunc, whether it initializes the
> iterator or operates on an initialized one. Only iterator-typed
> arguments are reclassified, so dynptr "__uninit" out-arguments are
> unaffected.
>
> The first user is the path ancestor iterator handover added by the next
> patch.
>
> Signed-off-by: Justin Suess <utilityemal77@gmail.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261013164800.2906577-1-utilityemal77@gmail.com?part=9
next prev parent reply other threads:[~2026-10-13 17:04 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-13 16:47 [PATCH bpf-next v1 00/11] fs: unified VFS ancestor walk for Landlock and BPF Justin Suess
2026-10-13 16:47 ` [PATCH bpf-next v1 01/11] namei: introduce __path_walk_parent() Justin Suess
2026-10-13 16:54 ` sashiko-bot
2026-10-13 16:47 ` [PATCH bpf-next v1 02/11] namei: add vfs_walk_ancestors() Justin Suess
2026-10-13 17:00 ` sashiko-bot
2026-10-13 16:47 ` [PATCH bpf-next v1 03/11] landlock: convert ancestor walk to vfs_walk_ancestors() Justin Suess
2026-10-13 16:55 ` sashiko-bot
2026-10-13 16:47 ` [PATCH bpf-next v1 04/11] namei: expose the stepwise ancestor walk to fs/ Justin Suess
2026-10-13 16:54 ` sashiko-bot
2026-10-13 16:47 ` [PATCH bpf-next v1 05/11] bpf: add a path ancestor iterator Justin Suess
2026-10-13 17:11 ` sashiko-bot
2026-10-13 16:47 ` [PATCH bpf-next v1 06/11] selftests/bpf: exercise the " Justin Suess
2026-10-13 16:56 ` sashiko-bot
2026-10-13 16:47 ` [PATCH bpf-next v1 07/11] fs: add mnt_undo_legitimize() Justin Suess
2026-10-13 16:59 ` sashiko-bot
2026-10-13 16:47 ` [PATCH bpf-next v1 08/11] namei: add an rcu-walk mode to the ancestor walk Justin Suess
2026-10-13 17:01 ` sashiko-bot
2026-10-13 16:47 ` [PATCH bpf-next v1 09/11] bpf: support "__uninit" iterator arguments in generic kfuncs Justin Suess
2026-10-13 17:04 ` sashiko-bot [this message]
2026-10-13 16:47 ` [PATCH bpf-next v1 10/11] bpf: add a lockless path ancestor iterator Justin Suess
2026-10-13 17:03 ` sashiko-bot
2026-10-13 16:48 ` [PATCH bpf-next v1 11/11] selftests/bpf: exercise the " Justin Suess
2026-10-13 16:57 ` sashiko-bot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=sashiko-outbox-170188@kernel.org \
--to=sashiko-bot@kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=sashiko-reviews@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox