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 0ECDA348C7C; Thu, 25 Jun 2026 16:20:56 +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=1782404457; cv=none; b=Fy0Kfjv174b2JAfAFxvLV9V0bRfduCGcuWyXYs6RpIDqW5fpeRPp5sJGFpP3AR6KiIL4YOaOy7C41Uw76mOLaXem9PYtOzjcCElFuQ/uCNNwe2nZDCnb0SIlagSKMJpBeo4U7wFX8ZqxvbdrfelLttCtnordsBlNtwPm31/gREM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782404457; c=relaxed/simple; bh=JPExWHoNlPEqwaD4nqODBhUKQ4ugk8ZGQOJ6a/PZtM0=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=N58IH46a6rdIbKJSP/+t1ky56yd0hKQq/h51q0fcosMY7w38bTbBvXvkb9UTw56hU/OzpDoCi8x35xw5p+kwIbajq3zjSTAPNAIYDMBr9PqLQcqi5I/AKLuBZwCEyBjYnX7mk4S0YhCS1Ew62WvJMjoPOAhwLfpEF8wIP4Bvj4k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SWfaIE/F; 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="SWfaIE/F" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC4401F000E9; Thu, 25 Jun 2026 16:20:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782404456; bh=redyJIzOVlH6SSwsO5/FcYyXZxM5UVBYoloKFR2p79M=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=SWfaIE/F6fsJ/3yPZLDOfI98cvJZefn+oEgH18/LkuK8hq/9AQLjFxsB2RdWN6AKU czD1ITqDLTB5NOtrqT3gZR7j2FQ7gF7uFR1CGBji4gVK5qKkD3dQIj06wg7BZ44KLL wCtrURbFlI054twrtgII5j2yfEt2v++j9NXGIPFMndRWSnTFvuPPKe0XP3SJV5Mlv8 5ahrvHHne+pmSZRRl9xe9O/l4cIHxg0cH0dm31V+gOk4mMudBE4LFRY/TxE+axJK3y 1D79ob9PKNweAVC1G2Y6j6rRe/5sS25xsJdGgAapJCJyH0MVvqkfvMIXxrxPIOshm3 uQsmF/IyiM7uw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 939A23AD449A; Thu, 25 Jun 2026 16:20:45 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v5 net] net: mana: Optimize irq affinity for low vcpu configs From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178240444427.3803792.16004003411741167135.git-patchwork-notify@kernel.org> Date: Thu, 25 Jun 2026 16:20:44 +0000 References: <20260624072138.1632849-1-shradhagupta@linux.microsoft.com> In-Reply-To: <20260624072138.1632849-1-shradhagupta@linux.microsoft.com> To: Shradha Gupta Cc: decui@microsoft.com, wei.liu@kernel.org, haiyangz@microsoft.com, kys@microsoft.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, kotaranov@microsoft.com, horms@kernel.org, ernis@linux.microsoft.com, dipayanroy@linux.microsoft.com, shirazsaleem@microsoft.com, mhklinux@outlook.com, longli@microsoft.com, yury.norov@gmail.com, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, paulros@microsoft.com, shradhagupta@microsoft.com, ssengar@microsoft.com, stable@vger.kernel.org, ynorov@nvidia.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 24 Jun 2026 00:21:35 -0700 you wrote: > Before the commit 755391121038 ("net: mana: Allocate MSI-X vectors > dynamically"), all the MANA IRQs were assigned statically and together > during early driver load. > > After this commit, the IRQ allocation for MANA was done in two phases. > HWC IRQ allocated earlier and then, queue IRQs dynamically added at a > later point. By this time, the IRQ weights on vCPUs can become imbalanced > and if IRQ count is greater than the vCPU count the topology aware IRQ > distribution logic in MANA can cause multiple MANA IRQs to land on the > same vCPUs, while other sibling vCPUs have none (case 1). > > [...] Here is the summary with links: - [v5,net] net: mana: Optimize irq affinity for low vcpu configs https://git.kernel.org/netdev/net/c/5316394b1752 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html