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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD365C433FE for ; Tue, 19 Oct 2021 11:17:12 +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 8C00060F02 for ; Tue, 19 Oct 2021 11:17:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8C00060F02 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=nsAiafukbpI+EIdK9YWMTbM+FbE+L6zFxjsTZQ8UqUw=; b=MNuO/WD319IH/J0EEvqllNdunC 1YV69jcStKkH2hNJZnhaZBdk/r4KEJQELZeokPDqA8OyIfcOy0hy/SiFs/NUfKaas10hqW4wl6UJs uMYQ7weiddsihKPKCwo3fbo95d2VyRIqyy6/tgDgWgto95SlZg7LV4zDJJaUgQwgYY4W68OVvlpfn NFsDaowccNBW8DdjQkO9tz1KCxQnDQY9ASnMZt9d0UkpLOziSvwLxMp+kAjNeYuTsm2+BdApbmejq tyIn7//k2fXUNBjRaVcv6gasgfdc4jtJUIlMBx3lNcDMdma6hGywKHKbu1Dhao2yJb/5VXkS8TX0/ EY1lxSFA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcn6C-000vtJ-2w; Tue, 19 Oct 2021 11:16:04 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcn65-000vqk-4p for linux-arm-kernel@lists.infradead.org; Tue, 19 Oct 2021 11:15:58 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0BAD7D6E; Tue, 19 Oct 2021 04:15:52 -0700 (PDT) Received: from [10.57.25.70] (unknown [10.57.25.70]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5B1963F70D; Tue, 19 Oct 2021 04:15:50 -0700 (PDT) Subject: Re: [PATCH v5 02/15] arm64: errata: Add detection for TRBE overwrite in FILL mode To: Will Deacon Cc: mathieu.poirier@linaro.org, catalin.marinas@arm.com, anshuman.khandual@arm.com, mike.leach@linaro.org, leo.yan@linaro.org, maz@kernel.org, coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Rutland References: <20211014223125.2605031-1-suzuki.poulose@arm.com> <20211014223125.2605031-3-suzuki.poulose@arm.com> <20211019110443.GE13251@willie-the-truck> From: Suzuki K Poulose Message-ID: Date: Tue, 19 Oct 2021 12:15:49 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20211019110443.GE13251@willie-the-truck> Content-Language: en-GB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_041557_271704_3C22739B X-CRM114-Status: GOOD ( 11.96 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 19/10/2021 12:04, Will Deacon wrote: > On Thu, Oct 14, 2021 at 11:31:12PM +0100, Suzuki K Poulose wrote: >> Arm Neoverse-N2 and the Cortex-A710 cores are affected >> by a CPU erratum where the TRBE will overwrite the trace buffer >> in FILL mode. The TRBE doesn't stop (as expected in FILL mode) >> when it reaches the limit and wraps to the base to continue >> writing upto 3 cache lines. This will overwrite any trace that >> was written previously. >> >> Add the Neoverse-N2 erratumi(#2139208) and Cortex-A710 erratum >> (#2119858) to the detection logic. > > Weird typo and double space in this sentence. I have fixed this now. Thanks Suzuki _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel