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 BEC43230BE9 for ; Sun, 14 Sep 2025 19:00:20 +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=1757876421; cv=none; b=sShQh6p7WXtu/bbgT1zMKdSIm9uz+BNnAnEJ2y3f9NxqH8EbAvynIiRlr9HReGD8wUEuMiXofYZdJt8KGK3IdwatWrk8m0SdXNUUrtXXQ6hPv/ZfrcYNDoDnOdESWZIxWTtr1BzDOS3p2oA/iUI3em4UDlm7LRLY2iGrnGQWJ0s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757876421; c=relaxed/simple; bh=Bj3ZYrMHHPqh4jKXqmiaHt7y0LMaPjkAejSpnRuNXuU=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=bkyZRPTjFgcg6wnFIW/qxNL9fGkHbvdpwvb/o1JKW/TjdsTNnOA6do5uF3yOQtjpXrV0KshAw5bdApOCNz1IsGbX08xde4hm1zG1nEtRuhLJy/GP8iS+5QjNAht4MpcpdF34a2mnaampiiotbyuld5o9fc0hEPKa8B+eqNY0ilY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rDJGkzHs; 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="rDJGkzHs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49903C4CEF0; Sun, 14 Sep 2025 19:00:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757876420; bh=Bj3ZYrMHHPqh4jKXqmiaHt7y0LMaPjkAejSpnRuNXuU=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=rDJGkzHsjhYZ3wg2Tw00OBeCmtV/65Rha78pUOR8LQ0FOeDPdvl2L35eYxDw/dmuM sWAs8uMGLg+YGfHgIne6cd0zE+V48LESBRHw7bfQONx8QqH+Kqtlb3XJrbp/LeFCSF W1Ye6+QTrSrc8QMtibxnkuGw1OhtdaEOjRMd4AxgxWaFffqHqUiO6NPrR3U8SweBEo aY9S5AB+r5QbhAvGWkDgD3qhbjxoD2nyOYMwPa653wLR/QToS0ieSAn4vWG87Ramuj 81HMMCNJrydKDKuh+FO2HTW+pw7+5bAi+2pQ8LnqKdr6x1oq5wcVnPAdklJ0wPlNn8 tFZCsk4Xr9hGg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 33C8539B167D; Sun, 14 Sep 2025 19:00:23 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next] net: use NUMA drop counters for softnet_data.dropped From: patchwork-bot+netdevbpf@kernel.org Message-Id: <175787642178.3528285.12955350723496612407.git-patchwork-notify@kernel.org> Date: Sun, 14 Sep 2025 19:00:21 +0000 References: <20250909121942.1202585-1-edumazet@google.com> In-Reply-To: <20250909121942.1202585-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, ncardwell@google.com, willemb@google.com, kuniyu@google.com, netdev@vger.kernel.org, eric.dumazet@gmail.com Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Tue, 9 Sep 2025 12:19:42 +0000 you wrote: > Hosts under DOS attack can suffer from false sharing > in enqueue_to_backlog() : atomic_inc(&sd->dropped). > > This is because sd->dropped can be touched from many cpus, > possibly residing on different NUMA nodes. > > Generalize the sk_drop_counters infrastucture > added in commit c51613fa276f ("net: add sk->sk_drop_counters") > and use it to replace softnet_data.dropped > with NUMA friendly softnet_data.drop_counters. > > [...] Here is the summary with links: - [net-next] net: use NUMA drop counters for softnet_data.dropped https://git.kernel.org/netdev/net-next/c/fdae0ab67d57 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html