From: Eduard Zingerman <eddyz87@gmail.com>
To: "Kaitao Cheng" <kaitao.cheng@linux.dev>,
"Paul Moore" <paul@paul-moore.com>,
"Eric Paris" <eparis@redhat.com>,
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Cc: audit@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org, netdev@vger.kernel.org,
cgroups@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-perf-users@vger.kernel.org,
linux-trace-kernel@vger.kernel.org, kexec@lists.infradead.org,
live-patching@vger.kernel.org, linux-modules@vger.kernel.org,
linux-crypto@vger.kernel.org, linux-pm@vger.kernel.org,
rcu@vger.kernel.org, sched-ext@lists.linux.dev,
llvm@lists.linux.dev, Kaitao Cheng <chengkaitao@kylinos.cn>
Subject: Re: [PATCH v3 5/7] kernel: Use mutable list iterators
Date: Mon, 22 Jun 2026 12:03:46 -0700 [thread overview]
Message-ID: <1979fc81ae7bdaabda8616cd9698a40ef8bbfaee.camel@gmail.com> (raw)
In-Reply-To: <20260622042811.31684-1-kaitao.cheng@linux.dev>
On Mon, 2026-06-22 at 12:28 +0800, Kaitao Cheng wrote:
> From: Kaitao Cheng <chengkaitao@kylinos.cn>
>
> The safe list iteration helpers require callers to provide a temporary
> cursor even when the cursor is only used internally by the loop. This
> leaves many functions with otherwise unused variables whose only purpose
> is to satisfy the old iterator interface.
>
> Use the mutable list iteration helpers for those cases. The mutable
> helpers keep the same removal-safe traversal semantics, while allowing
> the temporary cursor to be internal to the macro when the caller does
> not need to observe it.
>
> Convert list, hlist and llist users under kernel/ where the temporary
> cursor is not used outside the iteration. Keep the explicit cursor form
> where the next entry is still needed by the surrounding code.
>
> No functional change intended.
>
> Signed-off-by: Kaitao Cheng <chengkaitao@kylinos.cn>
> ---
Beside the fact that this does not apply,
I don't see a reason why is this needed for BPF sub-tree.
[...]
next prev parent reply other threads:[~2026-06-22 19:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-22 4:05 [PATCH v3 0/7] Prepare mutable list iterators to cache cursor state Kaitao Cheng
2026-06-22 4:05 ` [PATCH v3 1/7] list: Add mutable iterator variants Kaitao Cheng
2026-06-22 8:42 ` David Laight
2026-06-22 8:51 ` Christian König
2026-06-22 4:05 ` [PATCH v3 2/7] llist: " Kaitao Cheng
2026-06-22 4:28 ` [PATCH v3 5/7] kernel: Use mutable list iterators Kaitao Cheng
2026-06-22 5:22 ` bot+bpf-ci
2026-06-22 19:03 ` Eduard Zingerman [this message]
2026-06-22 5:28 ` [PATCH v3 0/7] Prepare mutable list iterators to cache cursor state Alexei Starovoitov
2026-06-22 6:15 ` Kaitao Cheng
2026-06-22 10:46 ` Andy Shevchenko
2026-06-22 11:27 ` David Hildenbrand (Arm)
2026-06-22 8:37 ` Jani Nikula
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