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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 E6498C33CB6 for ; Fri, 17 Jan 2020 02:26:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BEF8D206E6 for ; Fri, 17 Jan 2020 02:26:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="WIEMxSOZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388785AbgAQC0j (ORCPT ); Thu, 16 Jan 2020 21:26:39 -0500 Received: from mail-pf1-f176.google.com ([209.85.210.176]:39587 "EHLO mail-pf1-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388334AbgAQC0j (ORCPT ); Thu, 16 Jan 2020 21:26:39 -0500 Received: by mail-pf1-f176.google.com with SMTP id q10so11196705pfs.6 for ; Thu, 16 Jan 2020 18:26:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=message-id:mime-version:content-transfer-encoding:in-reply-to :references:subject:cc:to:from:user-agent:date; bh=VAmOrArutl62PzP5mzQbvYL4N//Br/2fAr/HcMCRVjY=; b=WIEMxSOZi1Icp0GFQ9ts2y7+gCgVfokCR/CqaPH04zJKpndx4rZ7vSgvJ7tFaaQyXO zExYBLNSj+Gq8Zix832ff+qMY6iQAKjuuW8Fqa+DrLwWMuW/6pSWo4HddYCa1Vx7Zn3f PPTJNFroyPXatSW3cKeDqXHGS4UTrERH5Wotg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:mime-version :content-transfer-encoding:in-reply-to:references:subject:cc:to:from :user-agent:date; bh=VAmOrArutl62PzP5mzQbvYL4N//Br/2fAr/HcMCRVjY=; b=He1uVAEuXtE9vBd8igpH6Wb8YMthk+4PXtTwM7JVcNb8rZD5kguiqqjvuWklJ/Mddo klsSImLDbn7aaxFCGEg0Uo4pwBytCFebahHBjpxMDFfnGIrfqsxSL7dtMf8C9VAJJWeE ZcqZyaHp3jrh0VtqfUUufTIUAH3rotmwD3+zGlJL/n76wrRnlPkA3fNBPeoIvqbPyZ/x POsnEg2u3XqnYwIMXtTbCb2lIY1REoRh90Bs6FNMvlrAFkLQYPEZYoeVRSDrcc2J8Edf 0vIG7eZz3+t+NzacslmnEWGbnpAOYPszII9yYFX4iHJsHqvK7/fdxNgBq/lvrTyUhBTj D8LA== X-Gm-Message-State: APjAAAX9KaeL6McqMhpMewlQnuUOvoMUGCgx/k5w/VNw4KpLJiyASkXi hbAKTVk66WFqqCwKKeZN8I7+K3HbUw1UOA== X-Google-Smtp-Source: APXvYqxpUd5r+QQwvhdp81j46cKbjAPZSkr2FDEgoseBTHLTKoZiDBze/ERqIArmFEUy8NVTR7eyxQ== X-Received: by 2002:aa7:8e8f:: with SMTP id a15mr638012pfr.153.1579227998167; Thu, 16 Jan 2020 18:26:38 -0800 (PST) Received: from chromium.org ([2620:15c:202:1:fa53:7765:582b:82b9]) by smtp.gmail.com with ESMTPSA id m14sm208874pjf.3.2020.01.16.18.26.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jan 2020 18:26:37 -0800 (PST) Message-ID: <5e211b5d.1c69fb81.dd7e.0ff7@mx.google.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <7a8c9a5a39d9d95b9bfca1de3b1f63489d3a4d2d.1579203281.git.saiprakash.ranjan@codeaurora.org> References: <7a8c9a5a39d9d95b9bfca1de3b1f63489d3a4d2d.1579203281.git.saiprakash.ranjan@codeaurora.org> Subject: Re: [PATCHv2] arm64: Add KRYO{3,4}XX CPU cores to spectre-v2 safe list Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, Matthias Kaehlcke , Bjorn Andersson , Jeffrey Hugo , Sai Prakash Ranjan To: Andre Przywara , Catalin Marinas , Douglas Anderson , Marc Zyngier , Mark Rutland , Sai Prakash Ranjan , Will Deacon From: Stephen Boyd User-Agent: alot/0.8.1 Date: Thu, 16 Jan 2020 18:26:36 -0800 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Sai Prakash Ranjan (2020-01-16 12:03:53) > KRYO3XX silver CPU cores and KRYO4XX silver, gold CPU cores > are not affected by Spectre variant 2. Add them to spectre_v2 > safe list to correct ARM_SMCCC_ARCH_WORKAROUND_1 warning and > vulnerability sysfs value. >=20 > Signed-off-by: Sai Prakash Ranjan > --- Reviewed-by: Stephen Boyd Tested-by: Stephen Boyd