From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C2D76C43458 for ; Sun, 5 Jul 2026 07:30:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Date:Message-Id:From:Subject:Content-Transfer-Encoding:MIME-Version: Content-Type:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=g0zqh/4IWoGPglrnJGkQTqXcAtUbh6knkgcgOB1qXSM=; b=Q19weLg8yt2zBCA6JsAQAC2RxY L9yC9Mpmw1DJ2LYa86USYW2jZRZc0BcUrhurmBvwNUTi6sYKbPjH/51KHjjtRdmMbbPmz+UmHcLkR smFk4aQfpxzYDDIYLGvwB7Sb9fOJqYG30zcOFWd5QaN0pQhmcCVJPtJfJeT0uItr4csokAzwB8dJK eUZ+DfVH/NeQqDPF6Y9s2ZMRpBPnUW5cDHrMebKwdEXOHPIWQ9bmEXWPzS/MAR9HL4NIOoNcza0SG 3ECPHHWdp0j6aEV7uWy2V8pt0gEOSuCJS9x3Sbyj5zTNyly/ZE44nKcFfzHL841yjfph90m5FH4op WKEx6B5A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wgHJ7-000000093FK-0JTK; Sun, 05 Jul 2026 07:30:29 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wgHJ5-000000093FC-3TXt for linux-arm-kernel@lists.infradead.org; Sun, 05 Jul 2026 07:30:27 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id EF908409F6; Sun, 5 Jul 2026 07:30:24 +0000 (UTC) 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" 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 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@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