netdev - Re: [PATCH net-next 07/15] mptcp: allow overridden write

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Message-ID: <20260204184439.4f1a65a0@kernel.org>
Date: Wed, 4 Feb 2026 18:44:39 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Matthieu Baerts <matttbe@...nel.org>
Cc: Mat Martineau <martineau@...nel.org>, Geliang Tang <geliang@...nel.org>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Simon Horman
 <horms@...nel.org>, Shuah Khan <shuah@...nel.org>, netdev@...r.kernel.org,
 mptcp@...ts.linux.dev, linux-kernel@...r.kernel.org,
 linux-kselftest@...r.kernel.org, Gang Yan <yangang@...inos.cn>
Subject: Re: [PATCH net-next 07/15] mptcp: allow overridden write_space to
 be invoked

On Wed, 4 Feb 2026 11:47:13 +0100 Matthieu Baerts wrote:
> > diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
> > index f4bfe91ca7f9..0bd1ee860316 100644
> > --- a/net/mptcp/protocol.h
> > +++ b/net/mptcp/protocol.h
> > @@ -975,7 +975,7 @@ static inline void mptcp_write_space(struct sock *sk)
> >  	/* pairs with memory barrier in mptcp_poll */
> >  	smp_mb();
> >  	if (mptcp_stream_memory_free(sk, 1))
> > -		sk_stream_write_space(sk);
> > +		INDIRECT_CALL_1(sk->sk_write_space, sk_stream_write_space, sk);  
> 
> Is it possible to drop only this patch from this series? It is
> independent of the rest, and the AI review tool spotted that
> sk->sk_write_space is not sk_stream_write_space by default.
> 
> I can send a v2 without this patch if preferred.

Ack, looks like this is the last patch in terms of real code
so can do. BTW I've been offering other sub-maintainers to
run the AI stuff on their patchwork instances. Looks like
there's a mptcp instance in k.org patchwork. 

LMK if you want me to hook it up (..when time allows).