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 133D213A3F7; Sun, 5 Jul 2026 07:30:24 +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=1783236626; cv=none; b=TgVWIHIbl4FXWgs6xfusjT/46Vnbz18yWs/Je0uX3zQ8BXLwjQ6nRw8viZ0V+NgCo7smRMFm5C/kuJKRQfXLYNzhg7fbku6SeKeQZ2k3IYZ8EQJlOfuMskTNdgsI8MPuHK7eoaI2eIcHZ3a5rn2ttHZD1MybhvCK5rxKCwqj3qU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783236626; c=relaxed/simple; bh=KwzAvgvm+w6lnAxK8HeBT4TI/nRFEPyX0IemfKj9vH8=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Fd0BW5c8oxjoId29rGvIayCPe2b6+UkdRUXELuOKlYFHYcApji/YXLYj3E614BChdA7895lK27mrgVXy5QxFIr4jzEIkDS9aanPrZakdi0x78xJlZSmaPptiELi+E8lwAnOTzHD2y50HO8M1G46A1140HV/VcIa5pKVC03Ly+zE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mcy2mpHw; 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="mcy2mpHw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0B061F000E9; Sun, 5 Jul 2026 07:30:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783236624; bh=g0zqh/4IWoGPglrnJGkQTqXcAtUbh6knkgcgOB1qXSM=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=mcy2mpHwfSK2vn8lH1FXiRvw/QZLxBdrolI7dmAwoe+h0pclkxx0sFBMpZTdVgyCS nzbftg9r/383Lxzt7zcVNWhnWd/T5z8DnK5chK9tRBpFbOO8H+SF1ahW9S5jXXLwBD 4ExTm49txx1aCcB3p+s6/hsod99LrrXoJetXrCEgiMg4rqLK53bHRLqTuOtCDa0u95 bPW/zcULgeW80k+W4b1N1SgfOQD2NEv+Nz/ocWp/1D7ot/kL7EE4QmjZuF/nGVkkHt pJG7vsQEOl4xb8/C9NpWYzejIKik+1oxNriZIhlUj8q966um8FPADQaUQIJZaQBBRY /kH0L0f0kX1eg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 5698C393A94F; Sun, 5 Jul 2026 07:30:07 +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: microchip: vcap: fix races on the shared Super VCAP block From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178323660590.3752073.10824310525866470753.git-patchwork-notify@kernel.org> Date: Sun, 05 Jul 2026 07:30:05 +0000 References: <20260630-microchip_fix_vcap_locking-v1-1-f60a4596734d@microchip.com> In-Reply-To: <20260630-microchip_fix_vcap_locking-v1-1-f60a4596734d@microchip.com> To: =?utf-8?q?Jens_Emil_Schulz_=C3=98stergaard_=3Cjensemil=2Eschulzostergaard=40?=@aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org, =?utf-8?q?microchip=2Ecom=3E?=@aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org Cc: horatiu.vultur@microchip.com, UNGLinuxDriver@microchip.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, Steen.Hegelund@microchip.com, daniel.machon@microchip.com, steen.hegelund@microchip.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Tue, 30 Jun 2026 14:20:13 +0200 you wrote: > The VCAP instances on a chip are not independent, yet they are locked > independently. On sparx5 and lan969x the IS0 and IS2 instances are > backed by the same Super VCAP hardware block and share its cache and > command registers: every access drives the shared VCAP_SUPER_CTRL > register and moves data through the shared cache registers. > > Accessing one instance therefore races with accessing another. The > per-instance admin->lock cannot prevent this, as each instance takes a > different lock. > > [...] Here is the summary with links: - [net] net: microchip: vcap: fix races on the shared Super VCAP block https://git.kernel.org/netdev/net/c/d7a8d500d7e4 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html