From: Florian Westphal <fw@strlen.de>
To: netfilter-devel@vger.kernel.org
Cc: Jozsef Kadlecsik <kadlec@netfilter.org>,
herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org
Subject: Re: [PATCH nf-next v4 01/13] rhashtable: add rhashtable_flush_and_free helper
Date: Fri, 4 Sep 2026 21:29:34 +0200 [thread overview]
Message-ID: <apscHra03hEkw7ty@strlen.de> (raw)
In-Reply-To: <20260904185321.30313-2-fw@strlen.de>
Florian Westphal <fw@strlen.de> wrote:
> Will be used by upcoming ipset rhashtable conversion.
>
> "walk rht with unlink+free" triggers LLM reject pattern:
> "possible softirq CPU stall".
>
> "walk rht with unlink+free + cond_resched" triggers
> "possibly skipped elements".
>
> Add a helper to detach current hash backend storage from the
> rhashtable, then iterate and flush all contained elements.
As usual, I'm very incompetent and the patch sucks.
So question is merely if this function/idea is desirable/wanted
in the first place.
next prev parent reply other threads:[~2026-09-04 19:29 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-04 18:53 [PATCH nf-next v4 00/13] ipset: replace internal hash table with rhashtable Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 01/13] rhashtable: add rhashtable_flush_and_free helper Florian Westphal
2026-09-04 19:29 ` Florian Westphal [this message]
2026-09-08 5:12 ` Herbert Xu
2026-09-08 5:30 ` Florian Westphal
2026-09-08 9:04 ` Herbert Xu
2026-09-08 9:56 ` Florian Westphal
2026-09-08 12:39 ` Herbert Xu
2026-09-08 13:25 ` Florian Westphal
2026-09-09 3:49 ` Herbert Xu
2026-09-09 4:17 ` Herbert Xu
2026-09-09 14:45 ` Florian Westphal
2026-09-10 9:11 ` Herbert Xu
2026-09-10 10:41 ` Florian Westphal
2026-09-11 11:56 ` Herbert Xu
2026-09-11 12:54 ` Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 02/13] netfilter: ipset: add rhashtable boilerplate stubs Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 03/13] netfilter: ipset: add rhltable " Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 04/13] netfilter: ipset: replace internal hash table with rhashtable Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 05/13] netfilter: ipset: re-add forceadd support Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 06/13] netfilter: ipset: also report mem size for cidr storage to userspace Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 07/13] netfilter: ipset: remove obsolete data_next stubs Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 08/13] netfilter: ipset: remove last region lock usage Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 09/13] netfilter: ipset: remove multi-flag Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 10/13] netfilter: ipset: remove resize completely Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 11/13] netfilter: ipset: remove trivial kvfree wrapper Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 12/13] netfilter: ipset: use plain rcu_read_lock Florian Westphal
2026-09-04 18:53 ` [PATCH nf-next v4 13/13] netfilter: ipset: improve lockdep coverage Florian Westphal
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