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Message-ID: <CAN+4W8iktigV4j3t11HiVoo1BLW4r0UsDv+adaE_OZp_bemkOQ@mail.gmail.com>
Date: Mon, 3 Jul 2023 10:53:03 +0100
From: Lorenz Bauer <lmb@...valent.com>
To: Kuniyuki Iwashima <kuniyu@...zon.com>
Cc: andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
daniel@...earbox.net, davem@...emloft.net, dsahern@...nel.org,
edumazet@...gle.com, haoluo@...gle.com, hemanthmalla@...il.com,
joe@...ium.io, joe@...d.net.nz, john.fastabend@...il.com,
jolsa@...nel.org, kpsingh@...nel.org, kuba@...nel.org,
linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
martin.lau@...ux.dev, mykolal@...com, netdev@...r.kernel.org,
pabeni@...hat.com, sdf@...gle.com, shuah@...nel.org,
song@...nel.org, willemdebruijn.kernel@...il.com, yhs@...com
Subject: Re: [PATCH bpf-next v4 6/7] bpf, net: Support SO_REUSEPORT sockets
with bpf_sk_assign
On Wed, Jun 28, 2023 at 7:50 PM Kuniyuki Iwashima <kuniyu@...zon.com> wrote:
> > + } else {
> > + return sk;
> > + }
> > +
> > + reuse_sk = inet6_lookup_reuseport(net, sk, skb, doff,
> > + saddr, sport, daddr, ntohs(dport),
> > + ehashfn);
> > + if (!reuse_sk || reuse_sk == sk)
>
> nit: compiler might have optimised though, given here is the fast path,
> we can save reuse_sk == sk check.
Ack.
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