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 559F133993 for ; Fri, 11 Jul 2025 22:59:46 +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=1752274786; cv=none; b=IhS41ylpPmTsst3E2WzcYzmak2bib4BPNj2UHBN04jhm+q4L2pDt7WCL9tLufeGpKEkUQ448bUKhsvhQM+H420yhMVFvsiw2bkZRnUY+Vmd1ZmyvHuI78i5RUgMNzloWKFvXvVT79r47QfhHGbLXJToxPJfd+rTJyJbHchkQzbc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752274786; c=relaxed/simple; bh=J43fBBxBDlZZ75uuU4jPmdFK/GEdc8kCWdPSAD+3/0Q=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=hfBVTiYo4+BRV5y4GwvFbniHhGJuGhv0jPl39628T7HIdRJwEA9qU5wrxdUUc33oR100Y399KVySREiSjauf3tPoaMQA/hD9/vWx1nvQiWH4KJwJ+7R2T19AFHNbhcCgRzVCg9ezDxF9It44BndocnQOQQw0JdGxBo+hCWFSfG4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pP8eD9zX; 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="pP8eD9zX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D2012C4CEED; Fri, 11 Jul 2025 22:59:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752274785; bh=J43fBBxBDlZZ75uuU4jPmdFK/GEdc8kCWdPSAD+3/0Q=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=pP8eD9zXUOQ5qN5cIbdGbFNDGyk+1Fk6h03qkdVV+ESsuJ2wx/rFys7TRrrLlYo7X SM0rLYpjYP7riRkxk+wPjH9RaETlgpMy2a7CRkzF5amtYfqI8+ZDGCW0C5+RLrSJQy ohR7++dB97GTmZGm9XQxtt7cof4Yv9Vc6KnnHnlIg8IIOjHifyvsg9+5j8mnr3P9k6 AcbQvxKx5DOo0TEhS+7hpIqLZNAHTUtzvtBwpMe4FRpQkVahra/GOw2TVK41pIdhgC ZALM5QTfa44trXCZLXt0fMT7/7YvjZrAQqhTzBp/4ObVnSHa7LmUoLHYcR6lGwcQuS KVjg/mE8KPMfQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id EAE28383B275; Fri, 11 Jul 2025 23:00:08 +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 v5 1/2] net/sched: Restrict conditions for adding duplicating netems to qdisc tree From: patchwork-bot+netdevbpf@kernel.org Message-Id: <175227480776.2426458.11434480154400917099.git-patchwork-notify@kernel.org> Date: Fri, 11 Jul 2025 23:00:07 +0000 References: <20250708164141.875402-1-will@willsroot.io> In-Reply-To: <20250708164141.875402-1-will@willsroot.io> To: William Liu Cc: netdev@vger.kernel.org, jhs@mojatatu.com, xiyou.wangcong@gmail.com, victor@mojatatu.com, pctammela@mojatatu.com, pabeni@redhat.com, kuba@kernel.org, stephen@networkplumber.org, dcaratti@redhat.com, savy@syst3mfailure.io, jiri@resnulli.us, davem@davemloft.net, edumazet@google.com, horms@kernel.org Hello: This series was applied to netdev/net-next.git (main) by Jakub Kicinski : On Tue, 08 Jul 2025 16:43:26 +0000 you wrote: > netem_enqueue's duplication prevention logic breaks when a netem > resides in a qdisc tree with other netems - this can lead to a > soft lockup and OOM loop in netem_dequeue, as seen in [1]. > Ensure that a duplicating netem cannot exist in a tree with other > netems. > > Previous approaches suggested in discussions in chronological order: > > [...] Here is the summary with links: - [net,v5,1/2] net/sched: Restrict conditions for adding duplicating netems to qdisc tree https://git.kernel.org/netdev/net-next/c/ec8e0e3d7ade - [net,v5,2/2] selftests/tc-testing: Add tests for restrictions on netem duplication https://git.kernel.org/netdev/net-next/c/ecdec65ec78d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html