Re: [PATCH 6.18.y 1/2] mptcp: fix missing wakeups in edge scenarios

[Matthieu Baerts <matttbe@kernel.org>]

Hi Sasha,

On 16/06/2026 02:19, Sasha Levin wrote:
> From: Paolo Abeni <pabeni@redhat.com>
> 
> [ Upstream commit 9d8d28738f24b75616d6ca7a27cb4aed88520343 ]
> 
> The mptcp_recvmsg() can fill MPTCP socket receive queue via
> mptcp_move_skbs(), but currently does not try to wakeup any listener,
> because the same process is going to check the receive queue soon.
> 
> When multiple threads are reading from the same fd, the above can
> cause stall. Add the missing wakeup.
> 
> Fixes: 6771bfd9ee24 ("mptcp: update mptcp ack sequence from work queue")
> Cc: stable@vger.kernel.org
> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
> Link: https://patch.msgid.link/20260602-net-mptcp-misc-fixes-7-1-rc7-v2-1-856831229976@kernel.org
> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
> Signed-off-by: Sasha Levin <sashal@kernel.org>

Thank you for this patch. The subject shows "1/2", suggesting a 2nd
patch is expected, but I don't see any, and it looks like no 2nd patch
is needed here to resolve conflicts.

So just to be sure: no patch 2/2 expected, right?

Cheers,
Matt
-- 
Sponsored by the NGI0 Core fund.