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 8602023B627; Tue, 12 Aug 2025 12:49:57 +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=1755002997; cv=none; b=izgtHVrkqJODRWLs5irbkQBJBy6xqM1Owx3PEoWm/0J4abhEKbwxxbK2komYAc0JrOCeeMAvU3jpOZIIW6gWUm7MoOyET315gNw93RBgL98MTLrcmgDVw6Fr8hZX14EYDxSsP/xi+4zFkwoY7UZOdG25EmUmPigMw9liJBMUkUo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755002997; c=relaxed/simple; bh=Nk4whJ5SoSsOyfK2QcCuuglYmx020EoIg8mxiYrIlrY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=M/929esgBY3N9Jxm5ZgaxjQ4AYCdDI++5QYsy1sAyvYrNa6VlWVAk64LV56n4F++62CnvRABCXFvePZvRGy9n9nRRW2fwQoh6npyP/4oJD+QSIeFxZzFcl3yhCSl99dYYl4LqEJlyi18KxmP5nZnaMVAno7t4VtutsmYZuu2H1c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rrjswFvg; 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="rrjswFvg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6041AC4CEF0; Tue, 12 Aug 2025 12:49:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755002997; bh=Nk4whJ5SoSsOyfK2QcCuuglYmx020EoIg8mxiYrIlrY=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=rrjswFvgsiFra5U09HZUe3KGJKS8HuUMBodHQxUk4ofbzeUgkJYmGKoRJo8qKImw/ FD+IRFMUJusGtDhb5O7VG8yOZzuQMW/3n6tp1XweTiYNrEGHY71pAHKJu6oE4nSZMi pfKXvW1XpEaxbdNJHWwfQLFft26xqJm3kzBpn3+7pNOf1Q+jNs2k8oBQoPp57etlbP IjgP7D/4rgTeyxc3IdMen/JnGBuylZif8fpjeE/HMDgRVkI0llWKpkXwHv27z+X9bZ F3IEbhq1hLva7+rNx/3/VCbm+iZelMp1hjw1pSol3npZ3lurlGnAd38qo2L7X0zOJC 46d3NJqLGqSkw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id ADD6E383BF51; Tue, 12 Aug 2025 12:50:10 +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 v2 0/3] net: prevent deadlocks and mis-configuration with per-NAPI threaded config From: patchwork-bot+netdevbpf@kernel.org Message-Id: <175500300950.2603176.10461428129643934621.git-patchwork-notify@kernel.org> Date: Tue, 12 Aug 2025 12:50:09 +0000 References: <20250809001205.1147153-1-kuba@kernel.org> In-Reply-To: <20250809001205.1147153-1-kuba@kernel.org> To: Jakub Kicinski Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, willemdebruijn.kernel@gmail.com, skhawaja@google.com, joe@dama.to, sdf@fomichev.me, shuah@kernel.org, linux-kselftest@vger.kernel.org Hello: This series was applied to netdev/net.git (main) by Paolo Abeni : On Fri, 8 Aug 2025 17:12:02 -0700 you wrote: > Running the test added with a recent fix on a driver with persistent > NAPI config leads to a deadlock. The deadlock is fixed by patch 3, > patch 2 is I think a more fundamental problem with the way we > implemented the config. > > I hope the fix makes sense, my own thinking is definitely colored > by my preference (IOW how the per-queue config RFC was implemented). > > [...] Here is the summary with links: - [net,v2,1/3] selftests: drv-net: don't assume device has only 2 queues https://git.kernel.org/netdev/net/c/bda053d64457 - [net,v2,2/3] net: update NAPI threaded config even for disabled NAPIs https://git.kernel.org/netdev/net/c/ccba9f6baa90 - [net,v2,3/3] net: prevent deadlocks when enabling NAPIs with mixed kthread config https://git.kernel.org/netdev/net/c/b3fc08ab9a56 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html