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=-10.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 4A0CAC00A89 for ; Thu, 5 Nov 2020 09:29:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D41DD20936 for ; Thu, 5 Nov 2020 09:29:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604568587; bh=TUGk2/yx/3QWoCoFptKBQDs4MyzRTMeZYT+Q/mocS+Q=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=IfPDoTZ0qWeolhR/Og5L2UCHJGIcKh2zyridNnD08H9ORiCY22w3cyOxYmZetIQ+V T19ovVMHYG55irKoV3hqPF/1lYXD2vZUT3AeuFrlBerV7Aj+VlLmY6tIXmAWF8Yj1K sN4KW4JD3UaWtiXrjCQDZ+eOHvmQ3k56MbvvljNU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729604AbgKEJ3p (ORCPT ); Thu, 5 Nov 2020 04:29:45 -0500 Received: from mail.kernel.org ([198.145.29.99]:59238 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731654AbgKEJ3k (ORCPT ); Thu, 5 Nov 2020 04:29:40 -0500 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8FAAB20825; Thu, 5 Nov 2020 09:29:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604568579; bh=TUGk2/yx/3QWoCoFptKBQDs4MyzRTMeZYT+Q/mocS+Q=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=vN/XkCg21EPmXipPn/2r8wxhwR6H07VQh3i2cCi7+t7zOjadC67W/b/zkRSZlsrAm UgHjw9r29HDCjQCjNPtesfmGn9balaAwFbW0eBsIZbmwTCXXLfhu2UYu13aXTOrrBk DLSrJMUqO26NDQbPHjL47LBOqZywYkYSa8ZVQJN0= Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1kabaL-007msQ-D9; Thu, 05 Nov 2020 09:29:37 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 05 Nov 2020 09:29:37 +0000 From: Marc Zyngier To: Konrad Dybcio Cc: phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, martin.botka@somainline.org, angelogioacchino.delregno@somainline.org, marijn.suijten@somainline.org, Catalin Marinas , Will Deacon , Sai Prakash Ranjan , Stephen Boyd , Rob Herring , Suzuki K Poulose , Steven Price , Mark Brown , Andrew Scull , Anshuman Khandual , Amit Daniel Kachhap , Ionela Voinescu , Kristina Martsenko , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 4/4] arm64: cpu_errata: Apply Erratum 845719 to KRYO2XX Silver In-Reply-To: <20201104232218.198800-5-konrad.dybcio@somainline.org> References: <20201104232218.198800-1-konrad.dybcio@somainline.org> <20201104232218.198800-5-konrad.dybcio@somainline.org> User-Agent: Roundcube Webmail/1.4.9 Message-ID: <3faa81d537320dfb20bb3f882cfaea1b@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: konrad.dybcio@somainline.org, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, martin.botka@somainline.org, angelogioacchino.delregno@somainline.org, marijn.suijten@somainline.org, catalin.marinas@arm.com, will@kernel.org, saiprakash.ranjan@codeaurora.org, swboyd@chromium.org, robh@kernel.org, suzuki.poulose@arm.com, steven.price@arm.com, broonie@kernel.org, ascull@google.com, anshuman.khandual@arm.com, amit.kachhap@arm.com, ionela.voinescu@arm.com, kristina.martsenko@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-11-04 23:22, Konrad Dybcio wrote: > QCOM KRYO2XX Silver cores are Cortex-A53 based and are > susceptible to the 845719 erratum. Add them to the lookup > list to apply the erratum. > > Signed-off-by: Konrad Dybcio > --- > arch/arm64/kernel/cpu_errata.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/kernel/cpu_errata.c > b/arch/arm64/kernel/cpu_errata.c > index 61314fd70f13..cafaf0da05b7 100644 > --- a/arch/arm64/kernel/cpu_errata.c > +++ b/arch/arm64/kernel/cpu_errata.c > @@ -299,6 +299,8 @@ static const struct midr_range > erratum_845719_list[] = { > MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4), > /* Brahma-B53 r0p[0] */ > MIDR_REV(MIDR_BRAHMA_B53, 0, 0), > + /* Kryo2XX Silver rAp4 */ > + MIDR_REV(MIDR_QCOM_KRYO_2XX_SILVER, 0xa, 0x4), Is this the only affected version? If this is actually an A53, how do the revisions map between Kryo and Cortex cores? M. -- Jazz is not dead. It just smells funny...