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 7F93823F295 for ; Tue, 11 Mar 2025 11:09:59 +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=1741691399; cv=none; b=RS6oyAnvBTj5Jif0rTWvN7avjwFzllQc6ZPN+ZpDVNi9p66QVwiu42zdvNPj3/VHmwa0C1E0HqAyuARV7nEuNEqhqevgKXLyW+SWYt9qO+JmNtFAZAKexTFGoyqV5GF/XrvQzNc21keihdhTbVVpw5j7JTlT4neONVyL3c52rE8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741691399; c=relaxed/simple; bh=Q8RGcdbo3x42RT43XpScecgNtUP9GiyOHuQvy7codmM=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=ixdFpe56QuXy4ALVjVkbkr8QptW4gjaRoWf16tqRnD3KBgAaXzyMt+MsndreMCAujxlwk2K9vjYMPnoLyAEEO2/JlB+bKlCj+lL9sxkY238FnFWl6oV95+kEiEbBgRNFQnRJGMexhe7f7fNS3+XZAQKPzsfhvsLIX0iO/gd5VIk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A2DGIGW2; 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="A2DGIGW2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4E651C4CEE9; Tue, 11 Mar 2025 11:09:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741691399; bh=Q8RGcdbo3x42RT43XpScecgNtUP9GiyOHuQvy7codmM=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=A2DGIGW2Y0kKGIvhCZLBaI2rSyIc3wFtd1uOZR3hbOVme6P2bANe8ibzIfJb+QvPt 5OY8tIW5wE7ymUdjXiU0e/gY/tMy/0nwSTG6o89Jcd11zq6lpDieXnhV1+tVEtPGkV XG6q/UwfBGvUeyfwFN3UQ4ukbOosESveWqWjYbF5G86p6dIYUVMARWTEA7ksQ23rBZ o1qaraJKvKvFJRYRp254nbD126IplrzuzZ5bucL5xKYuTz6OgDfZy3fPeICJo8IfmU oxirTKi+ZhCfZXlkv6DR4H3E2LtXzj422hcmmJgJXR+matn/Om835SApuLwaB8ZsBy tnQGFT2FNTL1g== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id AE1DA380AC1D; Tue, 11 Mar 2025 11:10:34 +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] net: switchdev: Convert blocking notification chain to a raw one From: patchwork-bot+netdevbpf@kernel.org Message-Id: <174169143350.3900781.4902273065149639967.git-patchwork-notify@kernel.org> Date: Tue, 11 Mar 2025 11:10:33 +0000 References: <20250305121509.631207-1-amcohen@nvidia.com> In-Reply-To: <20250305121509.631207-1-amcohen@nvidia.com> To: Amit Cohen Cc: netdev@vger.kernel.org, idosch@nvidia.com, petrm@nvidia.com, jiri@resnulli.us, ivecera@redhat.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, olteanv@gmail.com, tobias@waldekranz.com Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Wed, 5 Mar 2025 14:15:09 +0200 you wrote: > A blocking notification chain uses a read-write semaphore to protect the > integrity of the chain. The semaphore is acquired for writing when > adding / removing notifiers to / from the chain and acquired for reading > when traversing the chain and informing notifiers about an event. > > In case of the blocking switchdev notification chain, recursive > notifications are possible which leads to the semaphore being acquired > twice for reading and to lockdep warnings being generated [1]. > > [...] Here is the summary with links: - [net] net: switchdev: Convert blocking notification chain to a raw one https://git.kernel.org/netdev/net/c/62531a1effa8 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html