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 DD718D3B9A9 for ; Wed, 10 Dec 2025 07:46:09 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xi5qg1BTK9qEykpr9KF1SIi5opKrm0uGoRSWaWcyTeY=; b=LWTDfQBEbpeueVPIICWHOxf+O8 QaSXlXSx/TELTNIXJZPuiNZyMZ7C8umOK+mSyUr2QbMPoJa1eax3MPTSvTkgS3LkD8VBtB6dmJ/3J JdT+PANG8Q5xQJlJKTm6z6aKu4PnzG7s3o7m9WwN8UkAGpsqFWyobF1vxDx41Esc3ADiNPIc3hH9R Nx9xDb1kkavMdA9zslU8ufn9ySKNhryCP8/Fcgg+iAaFOVMFjLjU1UZLUAjlpf/k5cQjf1kSHByBF dwbTsqLfdS5aYJ9O4iLqJjgUmSUI/nqiEEiH8he/TLz+7G3cR4dHF9AFOnWPq1K2sUzpLX29fJmqM FF5XYtZQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vTEtf-0000000FDOH-0icA; Wed, 10 Dec 2025 07:46:03 +0000 Received: from mail11.truemail.it ([2001:4b7e:0:8::81]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vTEtc-0000000FDNs-0Vke for linux-arm-kernel@lists.infradead.org; Wed, 10 Dec 2025 07:46:02 +0000 Received: from francesco-nb (xcpe-178-82-120-96.dyn.res.sunrise.net [178.82.120.96]) by mail11.truemail.it (Postfix) with ESMTPA id 87ACA1FBBB; Wed, 10 Dec 2025 08:45:54 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dolcini.it; s=default; t=1765352754; bh=xi5qg1BTK9qEykpr9KF1SIi5opKrm0uGoRSWaWcyTeY=; h=From:To:Subject; b=uty0vOOMiRvYfsJ90GSUleVUmw8RQQBRyFJKrOzeX9DGuARo++qCeNTdttDfow7F+ kt1xJ/42Ndkso5wyjY4PXouoj/7nw6IscG4ndTvFXZiVVb1z9U6mSFdRhPo39QE8AQ l4EcBljbOCDMrtKdWMHSpi2f8IkyrsPWtorJEZv599q1hSKSMzm85IvreyT8RqAXT1 i92PK06S6EpQAc7EaRvHQygS6q7kGHPfHA4byUXEHzJlezYpC+SPuw1RiZtpNn2isg QPSmCLNGGwj6ZnOqNgIFbqtJk4laTxhsKNEAzIgXrNnyzc/RY0VA4PWCq2YbKtxYTm KGoz2bblu3uyA== Date: Wed, 10 Dec 2025 08:45:50 +0100 From: Francesco Dolcini To: "Ivan T. Ivanov" , Frank Li , Jason Liu Cc: Catalin Marinas , Will Deacon , Mark Brown , Mark Rutland , Shawn Guo , Dong Aisheng , linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com Subject: Re: [PATCH v2] arm64: errata: Add NXP iMX8QM workaround for A53 Cache coherency issue Message-ID: <20251210074550.GA10733@francesco-nb> References: <20230420112952.28340-1-iivanov@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230420112952.28340-1-iivanov@suse.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251209_234601_212390_596C265E X-CRM114-Status: UNSURE ( 9.30 ) X-CRM114-Notice: Please train this message. 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 Ivan, On Thu, Apr 20, 2023 at 02:29:52PM +0300, Ivan T. Ivanov wrote: > According to NXP errata document[1] i.MX8QuadMax SoC suffers from > serious cache coherence issue. It was also mentioned in initial > support[2] for imx8qm mek machine. Ivan, from what I can see this patch was never merged and there was not any follow-up on this. What's the status? Are you planning to work on it? Frank, it would be nice to have this issue sorted out in mainline, any chance that NXP can help move this forward? Francesco