From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794354610; b=onCNYpAtaKTojSwkaW3nPdAl0kNIWcFAJjUpddswfbchG7TWUt63LyriZ0I9qTyaJQOQ MkBxSTEFVyU5buHvqQ51NcivVFt8CerVv1f9SbFQA6iLFfLQC/iT6nVPKMzPSQEU9Tn9g PVASxry6jQeEGYaFVsaxHYXJcBeWQSXBnfMZr7tpHkYATAYiUPpMkzMhdani0bTYyvSzE e/ZhhjaI/HX1hCmeHo/WIIW/SsC6EtNMdyXPxcsMpDkJjG3p1MA+L3obtF0BDa+8kfxvw xm5Fi0RZupkWapruQjJ+eXucFhgtKlECxzP4YhXf+g/FpC/1lrjFR9Gnxab4GkF4lPw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794354610; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=BlFhzc5ZGN08zmXM4I/NfmBwaM8fELgmngk5KfNoj8Q=; b=v9KfRoNToSMM/VU3tgLurcHjo03SZGWt93NsFfMvSZ/F7sUplQw2B2iMD8N5FODdk7X+ LpSaezZhIcfh1OaG7M4W1ivr/YmlIS3knjRKn/oMb2OWR9YqNN/RwAw50kFgQ5skNTzfe BtG6a+rwMUh5VcjuKr8sNBK4lur9DtSKoEhYtJ29cuWWPhE6UrRTdfF7Shsmp6p8198QW OLgzg15IAYYed1zTBPKWYZwmZMhJEdlhmcjSKJDAMf22FHFq//0qJlJjLxj9meJwoAZhh +Zqsra2AIL+Ls31nZQBgnHg/TpzE6B66aT0sH1Ro37xn1lTwp5QsDhdi1CbkPUtWGdg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=PsJdQyRK; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 64C4C606A333 for ; Tue, 10 Nov 2026 23:50:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=PsJdQyRK Received: by smtp.kernel.org (Postfix) with ESMTPSA id E1E241F0093C; Tue, 10 Nov 2026 23:50:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794354609; bh=BlFhzc5ZGN08zmXM4I/NfmBwaM8fELgmngk5KfNoj8Q=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=PsJdQyRKsaNxINiIwUdZ/e7PMi0JNM8zYd1qjysZtf3xaa6z9OVy/6wRXqUfyJXEq JByoPpnYT/ZXDS0OyJd7yPSCm7bQvmPwolMCm0dNud23EU8EMTXQk5k3RsUWpXDL56 prH7dghmNn0HaSweE0ttw9JwRmDHKLOu9uydHbirZ8V6wv+ltePiR+N9eZ42Tu8h6S 162ceuBfxlpTGvBPoZB9+a3uEWvbuecpPTu/DvDefryA85OYgIGkZ8bf/IsI/ctwpT zz9ufmQE5rFx+LTADqw8mrzmo22h0zTnvPAHPLo3k28jsQggKYVfUPtjoLho55519F duxKhy7fwTuzg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D838139E8A49; Tue, 10 Nov 2026 23:50:09 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v2 net-next 0/2] tcp/mptcp: Don't call tcp_update_recv_tstamps() if not needed. From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179435460842.120887.1387158068394130012.git-patchwork-notify@kernel.org> Date: Tue, 10 Nov 2026 23:50:08 +0000 References: <20261105215209.3160316-1-kuniyu@google.com> In-Reply-To: <20261105215209.3160316-1-kuniyu@google.com> To: Kuniyuki Iwashima Cc: edumazet@kernel.org, ncardwell@google.com, matttbe@kernel.org, martineau@kernel.org, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, geliang@kernel.org, horms@kernel.org, kuni1840@gmail.com, netdev@vger.kernel.org Hello: This series was applied to netdev/net-next.git (main) by Jakub Kicinski : On Thu, 5 Nov 2026 21:51:44 +0000 you wrote: > When RX HWtstamp is enabled on NIC, skb_hwtstamps(skb)->hwtstamp > is set. It is also set when one socket enables software timestamp. > > Then, recvmsg() always calls tcp_recv_timestamp() even when > sockets do not need timestamp. > > Since it is called after release_sock() and touches sk->sk_tsflags, > which shares the same cacheline with sk->sk_forward_alloc, it stalls: > > [...] Here is the summary with links: - [v2,net-next,1/2] tcp: Don't call tcp_update_recv_tstamps() if not needed. https://git.kernel.org/netdev/net-next/c/f8143639f2e6 - [v2,net-next,2/2] mptcp: Don't call tcp_update_recv_tstamps() if not needed. https://git.kernel.org/netdev/net-next/c/59e3434a73c8 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html