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 12338C433F5 for ; Tue, 19 Oct 2021 11:05:59 +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 CB480604DB for ; Tue, 19 Oct 2021 11:05:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org CB480604DB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=5MJFxuZP1TMtwD4gm8ugYYPQKJsie8VaPNVGsppk55k=; b=22F28BV07NpIdz ySoybmi0ZB+INUtSmudXaiv+13dFvekas+CtmRlK2JPeGiLq0clGrslaTY6qv05grAAEwJ/wWFJl5 MN2dClcPDNzOd2yhCHBMVVMPcFPTBqbzPI/hAxaLowHMmCMPiVAWSCQhxNC35xcwoWuSc4EXu/rWw DSs3Ny3O0aVzHjC+w86MVHntsK0LG+MAPzTXRhESx2o6WC9hF161h9uU3TKf8Ieen3sYAVZjOw9Yg NfsNbMEX2CIs1EqPzQ+FTzUl/iH0Gp2xaBDVPGIvpe4UteplTSbOrYdaoTUE+LOVIgrg4xu/BzSA1 kIjuvl4aGbMrv4tILF6A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcmvP-000tQm-Ph; Tue, 19 Oct 2021 11:04:55 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcmvM-000tQ7-MP for linux-arm-kernel@lists.infradead.org; Tue, 19 Oct 2021 11:04:53 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7E0F760C4C; Tue, 19 Oct 2021 11:04:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1634641492; bh=tEZ51GfXQpwAyDguBNgyD6QxHphRkSWmZbEHqsLaEto=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=l+J+ad581PmIK9B+MC2LwTg7ydgeXcOpOwUZHIzkC+svaS59i2algUd4l7vUzhSSa XupH4Y/uvVNg7dKBYtfoEKd5YtOllmJ2EBIw503mEUmsY+j3lvbKCUryC7eSAwgOaI TyZJmQVfUCyESAMNbqaX/L1qvfDr0bTGo8KrsG/5Wa9fjuxECgkeXMHSw1LriUCHrF SLyRRJZ8DtVUZ1qi/Qw6+P0uFSQyEjuLUXElfAqQ3e2wDB/6x+YJ2h+m6Ck09ut2co eZWPwL8p+s9bZjkBK2dWPHeKU5PFQQzM1tDoxM9i9BGa1x1ut/vGS4NhIeicfobUeg JZu0NAWxDHgYw== Date: Tue, 19 Oct 2021 12:04:43 +0100 From: Will Deacon To: Suzuki K Poulose 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 Subject: Re: [PATCH v5 02/15] arm64: errata: Add detection for TRBE overwrite in FILL mode Message-ID: <20211019110443.GE13251@willie-the-truck> References: <20211014223125.2605031-1-suzuki.poulose@arm.com> <20211014223125.2605031-3-suzuki.poulose@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211014223125.2605031-3-suzuki.poulose@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_040452_770560_BC957B36 X-CRM114-Status: GOOD ( 10.06 ) 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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. Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel