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=1792485606; b=Og6w8urG2CACXroiOgNi6qiyESmzUsk5asUibAn8geMwYyqPi54Qh5pe7zeeO55sAgce BpVvS3YZpy8cAvYkgzK0fY/ctruGwaPnBett8zQFZeCkvzMrgUPoIQ7M6zuC7fR/euThy S/NLdeHZXBdxVSoIr7lrTYP4ZjdmynlaqWwIHwQo/5lL+e0cliV80FelAstOriYfcO3ta Sn7uq9YBDoVagyA59slK1S6S7qyX+UyRoa967rjQg492FUce15jMNP0Fiq4fUljQlOkR8 0fFwkK1tFuO0tL/KsZyNg4DjtvNlxr7e/OvyXkxFHJOOidJQpCimpaUFEAAy6QKttng== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792485606; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=AzngUIOSj0Q717ZcOQxFXapOnqXzYvlnqdx3gTXyi0Y=; b=380QgKimpOuQEJm7zrntm/I8+TqNWEtVS7gU3cl+PaurR7tz7ctFfK92xq45pRTg/vzO ouIICaTaY0IXi2k6/eY+3dA9QyJtnPp/ISkmUQND1S6Ma5Ec3WuHv+P610kBFnCta3eBN 2Srg+U7uNh5zePeqJNrUjbYtCPnzgVNbqpJrHWv5TUkQ9ABmoor+SogyTzxWWCCeWOC92 Orwk0E7/Kz6K2gFoxfgfwlaxQZHezSy/+wOZJUkKpqz0fYekiYZk82G6GowS9o7kxgnpw sT8E14uGM/yR94b/imW4wwUNdAPa2i8tzHznRsTBnxxKIFuN93Hblls6IeDPZxkkXpA== 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=NnoFEyRB; 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 D9D12606A31B; Tue, 20 Oct 2026 08:40:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=NnoFEyRB Received: by smtp.kernel.org (Postfix) with ESMTPSA id 807B91F000C4; Tue, 20 Oct 2026 08:40:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792485605; bh=AzngUIOSj0Q717ZcOQxFXapOnqXzYvlnqdx3gTXyi0Y=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=NnoFEyRBYgYZTZ+5wPXGLZ44qskz3Bl3kq8LbLxK/25QTFljIR3szM6AXU2TkixFc KeQokBZuK6+Q0piSjcU26FmJdR/EX7v1eaPyHTSIuCMeMXxh7i20g0GHg/KC33dUGK byqpSW6rhvnHoSqvG8S1ZUXN0rGMbXFOSbYrV6MGbB9pV7hnt+HOZG8ZX/cNWjZLFJ yFscZuLNKyNZRWTK7f94zkbp3/R6Fe9fayJ185dXs0r2+60cFjSQD6ByOgFxxyYy0K Kif28MH5g46+DK7DA2u0PbqPaWJMCnvV5aPdpPOc0ZEYu4W8k6GKoIhWv9Vz+4I19b 0GGzDc/umgLKA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 774213924FF9; Tue, 20 Oct 2026 08:40:05 +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 net v2] net: gro: don't chain linear parts larger than gso_size into frag_list From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179248560429.3584560.3501678808812864967.git-patchwork-notify@kernel.org> Date: Tue, 20 Oct 2026 08:40:04 +0000 References: <20261013130250.3643916-1-her@sorah.jp> In-Reply-To: <20261013130250.3643916-1-her@sorah.jp> To: Sorah Fukumori Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, willemb@google.com, lixiaoyan@google.com, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Tue, 13 Oct 2026 22:02:48 +0900 you wrote: > skb_gro_receive() chains an skb into the frag_list of the held packet > when its payload cannot be attached as page frags: when its head is > not a page fragment and still holds payload, or when its head and > frags would overflow the frags[] array of the last packet. Since commit > 5eddb24901ee ("gro: add support of (hw)gro packets to gro stack"), that > skb may itself be a GSO packet whose linear part holds several > gso_size segments. skb_segment() cannot split the linear part of a > frag_list member across segments, so segmenting the aggregate in > software, e.g. when forwarding it to a device without NETIF_F_FRAGLIST, > hits > > [...] Here is the summary with links: - [net,v2] net: gro: don't chain linear parts larger than gso_size into frag_list https://git.kernel.org/netdev/net/c/679f6929a66d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html