From: Cong Wang <cwang@multikernel.io>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Cong Wang <xiyou.wangcong@gmail.com>,
Network Development <netdev@vger.kernel.org>,
bpf <bpf@vger.kernel.org>,
John Fastabend <john.fastabend@gmail.com>,
Jakub Sitnicki <jakub@cloudflare.com>,
Jiayuan Chen <jiayuan.chen@linux.dev>,
Hemanth Malla <hemanthmalla@gmail.com>,
zijianzhang@bytedance.com
Subject: Re: [RFC PATCH bpf-next 0/5] tcp: opportunistic loopback splice for BPF-paired sockets
Date: Sat, 13 Jun 2026 14:25:37 -0700 [thread overview]
Message-ID: <ai3K0dBQaPqDGl6X@pop-os.localdomain> (raw)
In-Reply-To: <20260613105730.0ca1ca07@kernel.org>
On Sat, Jun 13, 2026 at 10:57:30AM -0700, Jakub Kicinski wrote:
> On Fri, 12 Jun 2026 09:01:43 -0700 Alexei Starovoitov wrote:
> > Just saying that the code is free nowadays, so whether it's 1k lines
> > or 10 lines is irrelevant for the discussion.
> >
> > As far as the idea goes, I think, it would be interesting in pre-AI era,
> > but today splice and friends are a prime target for bugs and more bugs.
> > skmsg and tcp_bpf are reeling from unfixed bugs too,
> > so my take is that we should not add any new features to skmsg
> > and instead deprecate what is already there.
>
> 100% agreed. There are so many unfixed skmsg bugs it's hard to know
> were to start :( Kernel "intelligence" to help unoptimized applications
> is particularly unappealing right now.
You are absolutely right. :)
Thanks for offering opportunity for me to make profit out of it.
next prev parent reply other threads:[~2026-06-13 21:25 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-12 1:14 [RFC PATCH bpf-next 0/5] tcp: opportunistic loopback splice for BPF-paired sockets Cong Wang
2026-06-12 1:14 ` [RFC PATCH bpf-next 1/5] tcp_bpf: add bpf_sock_splice_pair kfunc for opportunistic loopback splice Cong Wang
2026-06-12 2:10 ` bot+bpf-ci
2026-06-12 1:14 ` [RFC PATCH bpf-next 2/5] tcp_bpf: busy-poll the splice ring before parking the receiver Cong Wang
2026-06-12 1:14 ` [RFC PATCH bpf-next 3/5] selftests/bpf: add tcp_splice basic round-trip test Cong Wang
2026-06-12 1:14 ` [RFC PATCH bpf-next 4/5] bpf: allow SO_BUSY_POLL in bpf_setsockopt() Cong Wang
2026-06-12 1:14 ` [RFC PATCH bpf-next 5/5] selftests/bpf: set SO_BUSY_POLL from the tcp_splice sockops prog Cong Wang
2026-06-12 16:01 ` [RFC PATCH bpf-next 0/5] tcp: opportunistic loopback splice for BPF-paired sockets Alexei Starovoitov
2026-06-12 18:12 ` Cong Wang
2026-06-12 18:34 ` Alexei Starovoitov
2026-06-12 20:17 ` Cong Wang
2026-06-13 17:57 ` Jakub Kicinski
2026-06-13 21:25 ` Cong Wang [this message]
2026-06-12 22:10 ` [syzbot ci] " syzbot ci
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