Thread (4 messages) 4 messages, 4 authors, 2026-09-23

Re: [PATCH bpf-next v4] bpf: drop duplicate check_app_limited in tcp_bpf_push

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From: patchwork-bot+netdevbpf@kernel.org
Date: 2026-09-23 02:11:18
Also in: bpf, mptcp

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov [off-list ref]:

On Tue, 22 Sep 2026 19:06:18 +0800 you wrote:
From: Geliang Tang <redacted>

Commit c5c37af6ecad9 ("tcp: Convert do_tcp_sendpages() to use
MSG_SPLICE_PAGES") moved tcp_rate_check_app_limited() inside
do_tcp_sendpages(), turning it into a wrapper around tcp_sendmsg_locked().
Later, commit ebf2e8860eea ("tcp_bpf: Inline do_tcp_sendpages as it's now
a wrapper around tcp_sendmsg") inlined the wrapper in tcp_bpf_push() with
direct tcp_sendmsg_locked() calls, which perform the check on every path
that queues data, but kept the outer tcp_rate_check_app_limited() that
was previously needed to cover do_tcp_sendpages(). The outer call is now
redundant.

[...]
Here is the summary with links:
  - [bpf-next,v4] bpf: drop duplicate check_app_limited in tcp_bpf_push
    https://git.kernel.org/bpf/bpf-next/c/91f8613d95ad

You are awesome, thank you!
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