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 X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB464C43603 for ; Wed, 11 Dec 2019 03:40:44 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id BDD7F208C3 for ; Wed, 11 Dec 2019 03:40:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qoT4r4jV"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="jZ8kiR42" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BDD7F208C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=M2Ja5cEd6TMetc51H278U9OXwxMDiLft+dgm3z4OMmE=; b=qoT4r4jVX2oH5z r+sH3XA/CySKWUe6P3Ciul1oBvdJ2AgLLWhgCbkPm2Nx8i1g4JMouoZlXRo8JsHKuRCDp66eYYq5L mKmw6wduE0caZAFL03OEcPrHDLHccoui61RVhiX/3tbPSN+wLIsIpM86tb1MT/HwOwWiq+9UvtZB6 FpzXN+HV28IAHzwls7IGnuEp4b0uuRq+2ZijgxYk2GJz5Ku7CuOYa+sUFXWbwjac1rCBrx4lGYHmU zWn+4X3hIp+eVtTSwU1LcJQv85ZREf6hAkvvMspeEgrXlCYQRWkvNcmYWeN5mEyQ5sBK/T22oMvZE Yt1GXlHhhE8H50iH/mUw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iesrf-0007Hi-Dj; Wed, 11 Dec 2019 03:40:39 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iesrd-0007HH-MW for linux-arm-kernel@lists.infradead.org; Wed, 11 Dec 2019 03:40:38 +0000 Received: from dragon (98.142.130.235.16clouds.com [98.142.130.235]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 120C7206EC; Wed, 11 Dec 2019 03:40:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576035635; bh=7cmhNFa72+Abpr2QRYiJWiDvx2VS9NXXsn7cwvtgUAo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=jZ8kiR42kraUQ4UyigWOsa4wQ/GI7/5G/OLOd4Y0lFhgAY84c67OgdxABygl9D5Up QhAMMCMIjCq929l2JNxhnrdthWzPmS5iNNYJfiC/AbUVl+9XwrchF0SLiRe616CctO BlRCt5rG2LX3RHzeGfnidgJcf1O/3pye48WTpOOE= Date: Wed, 11 Dec 2019 11:40:25 +0800 From: Shawn Guo To: Anson Huang Subject: Re: [PATCH V2] ARM: imx: Enable ARM_ERRATA_814220 for i.MX6UL and i.MX7D Message-ID: <20191211034024.GI15858@dragon> References: <1576032816-23373-1-git-send-email-Anson.Huang@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1576032816-23373-1-git-send-email-Anson.Huang@nxp.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191210_194037_756832_05AE6C73 X-CRM114-Status: UNSURE ( 9.05 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: gregkh@linuxfoundation.org, s.hauer@pengutronix.de, linux@armlinux.org.uk, linux-kernel@vger.kernel.org, Linux-imx@nxp.com, kernel@pengutronix.de, tglx@linutronix.de, festevam@gmail.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Dec 11, 2019 at 10:53:36AM +0800, Anson Huang wrote: > ARM_ERRATA_814220 has below description: > > The v7 ARM states that all cache and branch predictor maintenance > operations that do not specify an address execute, relative to > each other, in program order. > However, because of this erratum, an L2 set/way cache maintenance > operation can overtake an L1 set/way cache maintenance operation. > This ERRATA only affected the Cortex-A7 and present in r0p2, r0p3, > r0p4, r0p5. > > i.MX6UL and i.MX7D have Cortex-A7 r0p5 inside, need to enable > ARM_ERRATA_814220 for proper workaround. > > Signed-off-by: Anson Huang Applied, thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel