linux-kernel - Re: [PATCH] netfilter: ipset: wait for xt

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Message-ID: <20231008121908.GA29696@breakpoint.cc>
Date:   Sun, 8 Oct 2023 14:19:08 +0200
From:   Florian Westphal <fw@...len.de>
To:     xiaolinkui <xiaolinkui@....com>
Cc:     Jozsef Kadlecsik <kadlec@...filter.org>,
        Florian Westphal <fw@...len.de>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        David Miller <davem@...emloft.net>, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, justinstitt@...gle.com,
        kuniyu@...zon.com, coreteam@...filter.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Linkui Xiao <xiaolinkui@...inos.cn>
Subject: Re: [PATCH] netfilter: ipset: wait for xt_recseq on all cpus

xiaolinkui <xiaolinkui@....com> wrote:
> crash> struct seqcount_t ffff8003fff3bf88
> struct seqcount_t {
>   sequence = 804411271
> }
> 
> The seqcount of CPU7 is odd, xt_replace_table should have waited, but it
> didn't.

Likely missing backport of
175e476b8cdf ("netfilter: x_tables: Use correct memory barriers.")?