From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 AD5B52DE709; Mon, 5 Oct 2026 03:00:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791169209; cv=none; b=XQeIjCWx+dE9xPRkTe4gb7Gugs9nmlyM76sIkpJg6E0S5FfMmkhcBZrhkLSW9F9rNOll/xBUGDtDOT04hmiYI8mQtYHfCXpzmW8SR9J5cdJbvNmF0Zxy6zxRJLhs7tUQFJlVQ2NEKnEzrwrbqxnvR7PAa0aYBlYAlHcW9Upgpso= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791169209; c=relaxed/simple; bh=5Q7x7OEo80zK/HpoBsQgszZkuak8WIzB/w4O3z0B2mw=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=JMW54ji2eRVwcFDRQr7v9SlSzrk79jXXggWN/fxJnkpwsCZfsyBp+3X2GtaCE7tSNaBzhFYtj2ZNAI17h84BwMugfR4gwjURWQgIZLoKiMgSSJEVZ6iWH7sY+8Vqt76qAoxUHZDAp76MSDFpdbgX+UGUm4KvHvfUE6bNZvnSjLQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WpmjYbED; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WpmjYbED" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0703B1F000FF; Mon, 5 Oct 2026 03:00:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791169207; bh=hkJHbTNZVUgNMyLsyy+h+fbjU0R4JLRIMOcMopTbZgA=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=WpmjYbED3OFRUBM7y4Ptfm6FEe7FEW8akW+zgSQwNlV9omLoM/aoi96WlNXFJtJI4 99Ea2UH7LR5WeK0zWnjOt2t7u74tte1qJy2wVDtM+vL3eD0PCvFZ4ufhW3WnX7FlrP AxYqVDIbouHILIO+QLMC0QZiMq9TFJU/zh21fYowGothHVO8xhikdP7HCtMYBRRAjJ hLNf3J4InA34j9degLq8vONRnORZn9wAlbcXVm99bTPG+py+ZSRYpYDsnbaYFrcCt8 HfepjwvhAtU7g00pFROEHTnXB0xD7JMGGfqid0GiDh452W3E84I6ax4xNtC29ctYXR xv7J1FfTMWQYg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id F145E39253C0; Mon, 5 Oct 2026 03:00:06 +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 v3] openvswitch: fix soft lockup in the netlink flow dump From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179116920578.1072741.16152613062513950480.git-patchwork-notify@kernel.org> Date: Mon, 05 Oct 2026 03:00:05 +0000 References: <20260929072519.2803304-2-den@openvz.org> In-Reply-To: <20260929072519.2803304-2-den@openvz.org> To: Denis V. Lunev Cc: netdev@vger.kernel.org, dev@openvswitch.org, aconole@redhat.com, echaudro@redhat.com, i.maximets@ovn.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, stable@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by David S. Miller : On Tue, 29 Sep 2026 09:25:19 +0200 you wrote: > From: Denis V. Lunev > > A production compute node carrying a few thousand datapath flows hit a > soft lockup inside a single netlink flow dump and panicked. > > ovs_flow_cmd_dump() calls ovs_flow_stats_get() for every flow it > emits, and that releases stats->lock with spin_unlock_bh() once per > CPU that has touched the flow. Every release is a local_bh_enable(), > and each one runs the pending softirq backlog in the dumping thread's > own context. > > [...] Here is the summary with links: - [net,v3] openvswitch: fix soft lockup in the netlink flow dump https://git.kernel.org/netdev/net/c/aaaaf87ea99b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html