From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F31C10785; Tue, 30 Sep 2025 01:27:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759195627; cv=none; b=R8pjtRDQHqcLWHIf78BhoKpKijmIeFuLd4HtCUbSi7YqKDE2dGTPwVYgKFsIdNCQDW2TRfaK/fmk4QvUBEmysIsT6v+vecvazchKPaBix6WLHTPMkYJy+wKIWjXQ7rywavftfPBSVQdD998sXmfWs/9fs6zL2fvNraPD4njnhnY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759195627; c=relaxed/simple; bh=Mvs1TVjMABo2r4RhATfzwiftFD6X2sa6qX9zEuFViic=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=QAbye7QfofjDUNnGjV90uj/Oy1w0l5rJGvVPGAaeXmgN1jIapdhvAhrKfz75wxTaFi5vHfO1JZskzCSmRBu6CDtEvWLoQWogR8i7VwYsRFqiFAIamBuipQwz27jIqRvcXxxuU6mOxM9lkqsdTHtIS1DaLKkn9bG0wHM5T2uVHIE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N1NxS9N1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="N1NxS9N1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50AF6C4CEF4; Tue, 30 Sep 2025 01:27:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1759195627; bh=Mvs1TVjMABo2r4RhATfzwiftFD6X2sa6qX9zEuFViic=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=N1NxS9N113Mh+6DVlwM2aSjlu9XRdS2eFJvot/SAODRnqPyhbGXnBp6rkRt7zhF1Q pndzQVqv1z0dwJzVkV+IUZLNNwAiY/VE2ijaLbzQVELao5ElJ2fNbi1JDduFn55ceM r2JT9IufcOrZHGr7+6ieZrga57dvqpf4UybD+a8cW9AOGm8fGoA7aS4MhLmNa1HinA C7vYHJTCOMNOvGijXvMp/l+kFE0FdGpz3iskyyHrtx5GPVdIjvJngKBQNLBu0G9fK6 VgVhSLJhis+2+OuyXhVxXzK2Vbk97CAeRbHGZjuc5lXEGylJTdSRyhzjlJbQQQIUKX nv+TXZa8+O+yw== Date: Mon, 29 Sep 2025 18:27:05 -0700 From: Jakub Kicinski To: "Matthieu Baerts (NGI0)" Cc: Mat Martineau , Geliang Tang , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Neal Cardwell , Kuniyuki Iwashima , David Ahern , Shuah Khan , netdev@vger.kernel.org, mptcp@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH net-next 0/8] mptcp: receive path improvement Message-ID: <20250929182705.1583702f@kernel.org> In-Reply-To: <20250927-net-next-mptcp-rcv-path-imp-v1-0-5da266aa9c1a@kernel.org> References: <20250927-net-next-mptcp-rcv-path-imp-v1-0-5da266aa9c1a@kernel.org> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sat, 27 Sep 2025 11:40:36 +0200 Matthieu Baerts (NGI0) wrote: > This series includes several changes to the MPTCP RX path. The main > goals are improving the RX performances, and increase the long term > maintainability. > > Some changes reflects recent(ish) improvements introduced in the TCP > stack: patch 1, 2 and 3 are the MPTCP counter part of SKB deferral free > and auto-tuning improvements. Note that patch 3 could possibly fix > additional issues, and overall such patch should protect from similar > issues to arise in the future. > > Patches 4-7 are aimed at introducing the socket backlog usage which will > be done in a later series to process the packets received by the > different subflows while the msk socket is owned. > > Patch 8 is not related to the RX path, but it contains additional tests > for new features recently introduced in net-next. Could be a coincidence but we got 3 simult_flows.sh flakes since this was posted. Previous one was 20+ days ago: https://netdev.bots.linux.dev/contest.html?ld_cnt=250&pw-pass=n&pass=0&test=simult-flows-sh