From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 605A6CDB466 for ; Sun, 21 Jun 2026 22:20:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Date:Message-Id:From:Subject:Content-Transfer-Encoding:MIME-Version: Content-Type:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=iGhCX7nVBCzpVYU7WOdwE6u1flM0yS+pk70INf4ABPY=; b=gQwLtcTn8B9BZm0e1c+G+3QJM7 oz183cayUKv/HryNcHaO+I202tBzm/leBmeLJg39jW4UlXiU/OJsoVQxpz6fAhGBhrz0jtnendiLY saCMckcV7lTtjeCGYeXrGEzYb86xuaJoEpJOjHBGZn5hEZwdmddsijL2cmzM0jAilFDtmdU4l/e8J 7uPtT6yiXt4m+dsqqOymfXirPbR7/Mep9HTGtWEm3q+9uA5SfSjIKvaBoFJ+4EZRLG26r7nPkwAFl GbWG2F4NnjvadJeOw23m3fwSZzXoZaF8zaednjs8KFHmR5vkcPlJQG/oxsOqIkOfdbL9LcN2dNmKF oIT/tXKw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wbQWk-00000004Crn-0qVw; Sun, 21 Jun 2026 22:20:30 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wbQWj-00000004CrW-3lF5; Sun, 21 Jun 2026 22:20:29 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id EE27E431CE; Sun, 21 Jun 2026 22:20:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CF4F01F00A3A; Sun, 21 Jun 2026 22:20:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782080428; bh=iGhCX7nVBCzpVYU7WOdwE6u1flM0yS+pk70INf4ABPY=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=fz7Jki9Wn4ZAVH2R9XkCLkF3gckwdHmzKWQVNXaHSn5qyAPQZKkX311tXXKU+SGE+ JPq5yKUsAbGSfLgP6tuk3AOgIwDOcJ0YW26RE3Gen6bS1lsqoVV+F8yAk0oV7Lh7Df ACumfI67MmJveagpf2erbcBsuaJqw34jgMXdHi1S3WpZ/FnPzGOO9LEgvgbctFj7pq UgAQBXkYsxtoUf5BWpJ9SjPg5nnmILQZzsOyQeq7g+71YAOeoKIAPJyPN37dku/sg5 xH5OSWwlk7UDVhdaDBbAk6C6ToO8p8ngWkTltrxsX/dKfGocqioWTkNev8X/Rdoxar 5G/wBmA3/LRwA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 568B93AAA6EA; Sun, 21 Jun 2026 22:20:21 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v5] net: airoha: Fix skb->priority underflow in airoha_dev_select_queue() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178208042004.521994.1468591358072405119.git-patchwork-notify@kernel.org> Date: Sun, 21 Jun 2026 22:20:20 +0000 References: <178194366700.2485734.5368768965976693502@gmail.com> In-Reply-To: <178194366700.2485734.5368768965976693502@gmail.com> To: Wayen Yan Cc: netdev@vger.kernel.org, lorenzo@kernel.org, horms@kernel.org, pabeni@redhat.com, kuba@kernel.org, edumazet@google.com, andrew+netdev@lunn.ch, angelogioacchino.delregno@collabora.com, matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, joe@dama.to X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Sat, 20 Jun 2026 16:17:44 +0800 you wrote: > In airoha_dev_select_queue(), the expression: > > queue = (skb->priority - 1) % AIROHA_NUM_QOS_QUEUES; > > implicitly converts to unsigned arithmetic: when skb->priority is 0 > (the default for unclassified traffic), (0u - 1u) wraps to UINT_MAX, > and UINT_MAX % 8 = 7, routing default best-effort packets to the > highest-priority QoS queue. This causes QoS inversion where the > majority of traffic on a PON gateway starves actual high-priority > flows (VoIP, gaming, etc.). > > [...] Here is the summary with links: - [net,v5] net: airoha: Fix skb->priority underflow in airoha_dev_select_queue() https://git.kernel.org/netdev/net/c/86e51aa24686 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html