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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33919C433F5 for ; Fri, 7 Jan 2022 11:00:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346901AbiAGLAB (ORCPT ); Fri, 7 Jan 2022 06:00:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53304 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237515AbiAGLAA (ORCPT ); Fri, 7 Jan 2022 06:00:00 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0478FC061245; Fri, 7 Jan 2022 02:59:59 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 7816ACE2A30; Fri, 7 Jan 2022 10:59:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5EEFAC36AE9; Fri, 7 Jan 2022 10:59:54 +0000 (UTC) Date: Fri, 7 Jan 2022 10:59:51 +0000 From: Catalin Marinas To: Anshuman Khandual Cc: linux-arm-kernel@lists.infradead.org, Will Deacon , Mathieu Poirier , Suzuki Poulose , coresight@lists.linaro.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V2 4/7] arm64: errata: Add detection for TRBE trace data corruption Message-ID: References: <1641517808-5735-1-git-send-email-anshuman.khandual@arm.com> <1641517808-5735-5-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1641517808-5735-5-git-send-email-anshuman.khandual@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Fri, Jan 07, 2022 at 06:40:05AM +0530, Anshuman Khandual wrote: > TRBE implementations affected by Arm erratum #1902691 might corrupt trace > data or deadlock, when it's being written into the memory. So effectively > TRBE is broken and hence cannot be used to capture trace data. This adds > a new errata ARM64_ERRATUM_1902691 in arm64 errata framework. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Mathieu Poirier > Cc: Suzuki Poulose > Cc: coresight@lists.linaro.org > Cc: linux-doc@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual Acked-by: Catalin Marinas 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 DC04CC4332F for ; Fri, 7 Jan 2022 11:01:16 +0000 (UTC) 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=OxWQc78GBTsZxMKAuejaME3dua0aTpFZkOsCmIcdCDQ=; b=16SYQf7yz9enyT WKh4X/+pLcBaX5UCLdh56AT0KTg6UYiymN/CVO0CNvppFovoUughQqOWG6QbRZQAZB/UriOPsQkX4 /8vYKjOdBfC7+Daw7e+8v+QrF931nrHZJnZWx6ZWERYWeYOI3HleTqeoVV5wU62/924a1regPX94S Q2h4lTkWOGsRFDib00td57z6Gm+ZGB1g/wEXcIVGq2+MkfSY4fmD15TNvU8EOgfXd6Md8T6tyGiiy ozLGik+35+7atM5BgTQO4t0ZMmlqECZ+Eb0V/Tle++89mw9Y1qCxpio/ezGDf93TjdIWGp09U/PQG zlK2hyL6xybeHB7rH8Nw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n5myZ-003X5c-O9; Fri, 07 Jan 2022 11:00:03 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n5myV-003X3M-G4 for linux-arm-kernel@lists.infradead.org; Fri, 07 Jan 2022 11:00:01 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 97E2ACE2A31; Fri, 7 Jan 2022 10:59:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5EEFAC36AE9; Fri, 7 Jan 2022 10:59:54 +0000 (UTC) Date: Fri, 7 Jan 2022 10:59:51 +0000 From: Catalin Marinas To: Anshuman Khandual Cc: linux-arm-kernel@lists.infradead.org, Will Deacon , Mathieu Poirier , Suzuki Poulose , coresight@lists.linaro.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V2 4/7] arm64: errata: Add detection for TRBE trace data corruption Message-ID: References: <1641517808-5735-1-git-send-email-anshuman.khandual@arm.com> <1641517808-5735-5-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1641517808-5735-5-git-send-email-anshuman.khandual@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220107_025959_746286_04814F48 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 Fri, Jan 07, 2022 at 06:40:05AM +0530, Anshuman Khandual wrote: > TRBE implementations affected by Arm erratum #1902691 might corrupt trace > data or deadlock, when it's being written into the memory. So effectively > TRBE is broken and hence cannot be used to capture trace data. This adds > a new errata ARM64_ERRATUM_1902691 in arm64 errata framework. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Mathieu Poirier > Cc: Suzuki Poulose > Cc: coresight@lists.linaro.org > Cc: linux-doc@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual Acked-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel