Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754899AbeAMMKc (ORCPT + 1 other); Sat, 13 Jan 2018 07:10:32 -0500 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:56324 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754820AbeAMMKa (ORCPT ); Sat, 13 Jan 2018 07:10:30 -0500 Date: Sat, 13 Jan 2018 12:10:26 +0000 From: Catalin Marinas To: Stephen Boyd Cc: Will Deacon , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Subject: Re: [PATCH v3] arm64: cpu_errata: Add Kryo to Falkor 1003 errata Message-ID: <20180113121026.4gywnkjlxy5wjaga@armageddon.cambridge.arm.com> References: <20171213221937.28065-1-sboyd@codeaurora.org> <20171214151858.GH4527@arm.com> <20180109212212.GD21040@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180109212212.GD21040@codeaurora.org> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: On Tue, Jan 09, 2018 at 01:22:12PM -0800, Stephen Boyd wrote: > On 12/14, Will Deacon wrote: > > On Wed, Dec 13, 2017 at 02:19:37PM -0800, Stephen Boyd wrote: > > > The Kryo CPUs are also affected by the Falkor 1003 errata, so > > > we need to do the same workaround on Kryo CPUs. The MIDR is > > > slightly more complicated here, where the PART number is not > > > always the same when looking at all the bits from 15 to 4. Drop > > > the lower 8 bits and just look at the top 4 to see if it's '2' > > > and then consider those as Kryo CPUs. This covers all the > > > combinations without having to list them all out. > > > > > > Fixes: 38fd94b0275c ("arm64: Work around Falkor erratum 1003") > > > Signed-off-by: Stephen Boyd > > > --- > > > > Acked-by: Will Deacon > > > > Thanks for respinning this. Catalin -- can you take this for 4.16, please? > > Can this get picked up? I don't see it in linux-next yet. I picked it up now but I'll push it tomorrow or Monday (still running some tests on the unpushed patches). -- Catalin