From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 5B774819; Wed, 16 Apr 2025 00:05:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744761917; cv=none; b=FDyBtJoC01Dkf/2BO+8G6wAffo7q8o2SD+Dm4jl4FrW2WcggkXyeGjP2H/IATU0u8Rr9bIFAr26mAyrh3j9RT4BIrtlnfpn2KxgMeMe1BKq/U6tPVLxrYjEd8bDZCIqkABz3o5NSlalSraTD9284ECSDdH1Sgrz2oNfovlCGjHI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744761917; c=relaxed/simple; bh=hZobG+FGhYW5bOUkfWEbXc5XYdYruXFuQNPQIJea+cA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=rhhFlIH8Zr4kDsiOgJn9I9gUdXaHDluu/5eHdlf0M5ClGOnaM2H1d+vmU6c0sEZb94+7UQgNq4q0S+m1GsUaWqcQOqKhJjlHL+0wYNxiX5tfhRt5JH/vEQYOEqZhI+ko/+e/r8/aPmHiW+oGD5F8hrRZS4BeBe0BUaJXeBtECkA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=g2VbcKjV; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="g2VbcKjV" Received: from [100.75.0.36] (unknown [40.78.12.133]) by linux.microsoft.com (Postfix) with ESMTPSA id 26B4C210C44F; Tue, 15 Apr 2025 17:05:14 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 26B4C210C44F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1744761914; bh=Itt7QUONbx3ndLE+bRo+FLPm8asA/RVXkU2JleFvdCU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=g2VbcKjVinA0Iz5Xrkjq1PsZXRPSoW22m6WTIj3qsxNxxqQAfip2r/G6O2EX4VVEU YRiRnZVydgQJmCUegZKAW5+XaC2jDkAjs1jt9x6VW/y8Wf5LRixdQ2s2/q6nOc4mc/ DdRTz0IFk86uW3qmyo/mUqvOGG23DzfgoE6RLy8I= Message-ID: <3de64545-6247-4aaf-b1af-c9d5fe038eaa@linux.microsoft.com> Date: Tue, 15 Apr 2025 17:05:11 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [v7 PATCH 0/2] Add L1 and L2 error detection for A53, A57 and A72 To: Borislav Petkov Cc: Tony Luck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , James Morse , Mauro Carvalho Chehab , Robert Richter , linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, Tyler Hicks , Marc Zyngier , Sascha Hauer , Lorenzo Pieralisi , devicetree@vger.kernel.org References: <1744409319-24912-1-git-send-email-vijayb@linux.microsoft.com> <20250413203923.GAZ_wg-_lYFt5hkfbh@fat_crate.local> Content-Language: en-US From: Vijay Balakrishna In-Reply-To: <20250413203923.GAZ_wg-_lYFt5hkfbh@fat_crate.local> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 4/13/25 13:39, Borislav Petkov wrote: > On Fri, Apr 11, 2025 at 03:08:37PM -0700, Vijay Balakrishna wrote: >> Hello, >> >> This is an attempt to revive [v5] series. I have attempted to address comments >> and suggestions from Marc Zyngier since [v5]. Additionally, I have extended >> support for A72 processors. Testing on a problematic A72 SoC has led to the >> detection of Correctable Errors (CEs). I am eager to hear your suggestions and >> feedback on this series. > > Did you not read Marc's note: > > https://lore.kernel.org/all/86a58kl51r.wl-maz@kernel.org/ > > or > > https://lore.kernel.org/all/86frigkmtd.wl-maz@kernel.org/ > > ? > Hi Borislav, I did see the second reply above, but not the first before posting v7. I opted to submit v7 after addressing the comments and issues identified in v6 for the benefit of those interested. Sascha's v5 series has helped us in confirming a problematic A72 indeed suffering from CEs. Our primary focus is on A72. I can re-submit with modifications solely related to A72 and exclude A53 and A57. As Tyler mentioned, we have a significant number of A72-based systems in our fleet, and timely replacements via monitoring CEs will be instrumental in managing them effectively. Please share your thoughts. Thanks, Vijay