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=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 CFCA7C433E0 for ; Fri, 3 Jul 2020 14:34:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A8DF32088E for ; Fri, 3 Jul 2020 14:34:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="Ibf9qUvz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726661AbgGCOeN (ORCPT ); Fri, 3 Jul 2020 10:34:13 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:40015 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726631AbgGCOeN (ORCPT ); Fri, 3 Jul 2020 10:34:13 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1593786852; h=Message-ID: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=FRH1WL7dNGYlUrzjhSeDlO2/E0xxcXcZoxCJBRIgKXY=; b=Ibf9qUvzqg8c9DUFKanLs9OYXxLmYfPn7kZuLssU5CPCGraY1DJ0ThQUPZp+KsXrX+iGiUC0 lwkjQ18/zJCgJYVWmrIJiIdZ2qLtLIv0nWAk6uokYRt8pmp0+0mw+99qevVApB1ZVDvVaXSy RErV/tM70QdI0o28mq4qMa9rlDw= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n08.prod.us-west-2.postgun.com with SMTP id 5eff41dd6f2ee827da3f6db3 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 03 Jul 2020 14:34:05 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 3C038C433CB; Fri, 3 Jul 2020 14:34:05 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: saiprakash.ranjan) by smtp.codeaurora.org (Postfix) with ESMTPSA id B1ABBC433CA; Fri, 3 Jul 2020 14:34:04 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Fri, 03 Jul 2020 20:04:04 +0530 From: Sai Prakash Ranjan To: Will Deacon Cc: Catalin Marinas , Marc Zyngier , Suzuki K Poulose , Mark Rutland , Douglas Anderson , Stephen Boyd , Andre Przywara , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, Jeffrey Hugo Subject: Re: [PATCH 3/3] arm64: Add KRYO4XX silver CPU cores to erratum list 1530923 and 1024718 Message-ID: <7335e7fa1303a56a5e60339ed0c5d619@codeaurora.org> X-Sender: saiprakash.ranjan@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Will, On 2020-07-03 19:25, Will Deacon wrote: > On Tue, Jun 30, 2020 at 11:30:55PM +0530, Sai Prakash Ranjan wrote: >> KRYO4XX silver/LITTLE CPU cores with revision r1p0 are affected by >> erratum 1530923 and 1024718, so add them to the respective list. >> The variant and revision bits are implementation defined and are >> different from the their Cortex CPU counterparts on which they are >> based on, i.e., r1p0 is equivalent to rdpe. > > So just to confirm, revisions prior to rdpe are unaffected, or do those > parts simply not exist? > There is one revision prior to this r0p1(r7pc) which has a different part number and are used in v1 of SoCs which are limited to only internal test platforms in the early stages of bringup and not used in actual devices out there, so I did not add it to the list but they are affected. Plus we would need to add another MIDR_QCOM_KRYO_4XX_SILVER_V1 if we are supporting them which I thought was not worth it when devices with those CPUs are not available. Thanks, Sai -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation