netdev - Re: [PATCH v2] inet: fix fast path in __inet_hash

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Message-ID: <CANn89iJCphvKBWcV1iGdTe9OXWiv1gQCTub60b1v2qi=pYLoSw@mail.gmail.com>
Date:   Sat, 14 Jan 2023 13:21:36 +0100
From:   Eric Dumazet <edumazet@...gle.com>
To:     Pietro Borrello <borrello@...g.uniroma1.it>
Cc:     Kuniyuki Iwashima <kuniyu@...zon.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>,
        Cristiano Giuffrida <c.giuffrida@...nl>,
        "Bos, H.J." <h.j.bos@...nl>, Jakob Koschel <jkl820.git@...il.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] inet: fix fast path in __inet_hash_connect()

On Sat, Jan 14, 2023 at 1:18 PM Pietro Borrello
<borrello@...g.uniroma1.it> wrote:
>
> On Fri, 13 Jan 2023 at 13:16, Eric Dumazet <edumazet@...gle.com> wrote:
> > 1) Given this path was never really used, we have no coverage.
> >
> > 2) Given that we do not check inet_ehash_nolisten() return code here.
>
> It seems there are a bunch of call sites where inet_ehash_nolisten() return
> code is not checked, thus I didn't think of it to be a problem.
>
> >
> > I would recommend _not_ adding the Fixes: tag, and target net-next tree
> >
> > In fact, I would remove this dead code, and reduce complexity.
> >
>
> This makes a lot of sense. I can post a v3 patch completely removing
> the fast path.
>
> However, this patch's v1 was already reviewed by
> Kuniyuki Iwashima <kuniyu@...zon.com>, v2 is a nit, if posting a v3
> I think I should remove the Reviewed-by: since it would completely
> change the patch, but what is the preferred fix?
>

Yes, remove it, and Kuniyuki will review it again, thanks.