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=-3.8 required=3.0 tests=BAYES_00,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 409D1C433E3 for ; Fri, 14 Aug 2020 08:33:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1B1D32074D for ; Fri, 14 Aug 2020 08:33:14 +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="D8IjU96X" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726932AbgHNIdM (ORCPT ); Fri, 14 Aug 2020 04:33:12 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:62652 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726269AbgHNIdM (ORCPT ); Fri, 14 Aug 2020 04:33:12 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1597393991; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=ZbUflztzbumxR+YGpdd5Mvz9JcJytRonUljimYaKv3Q=; b=D8IjU96XH+xi2mMPSyDdKM5UvTisRHhE1cFiN2BvhkmdEB/lziVe/07wulXCOh3uaAWHiQ8L 3cw+D8nVBQztFYjta7Lnvc90mhBCiiv639Her8F9f+Mt/icm0kk2MMdGdSJx58ckP4EwFppW BzQAlxD2fUm06MI3tG2eDcCqfCM= X-Mailgun-Sending-Ip: 69.72.43.7 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-n05.prod.us-east-1.postgun.com with SMTP id 5f364c29440a07969acd27fb (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 14 Aug 2020 08:32:41 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id D5943C43395; Fri, 14 Aug 2020 08:32:40 +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 67F40C433C6; Fri, 14 Aug 2020 08:32:40 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Fri, 14 Aug 2020 14:02:40 +0530 From: Sai Prakash Ranjan To: Marc Zyngier Cc: Will Deacon , Catalin Marinas , Andre Przywara , Mark Rutland , Suzuki K Poulose , Stephen Boyd , Douglas Anderson , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Subject: Re: [PATCH] arm64: Add KRYO4XX gold CPU core to spectre-v2 safe list In-Reply-To: <961724681d6d3f8c37a4e3c8facbdea3@kernel.org> References: <20200813081834.13576-1-saiprakash.ranjan@codeaurora.org> <20200813090324.GB9829@willie-the-truck> <89f0f41514e547533c3fa66364e5a2ac@codeaurora.org> <20200813094041.GA9894@willie-the-truck> <368280026c8af5b5a58a52c1e19cfae9@codeaurora.org> <8ffd22d5926aedda0c9fa6ea429fd84e@kernel.org> <961724681d6d3f8c37a4e3c8facbdea3@kernel.org> Message-ID: <415406f86a54a99eccb364ab78200e57@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 On 2020-08-14 13:47, Marc Zyngier wrote: > On 2020-08-14 05:34, Sai Prakash Ranjan wrote: >> On 2020-08-13 23:29, Marc Zyngier wrote: > > [...] > >>> We'd need to disable the late onlining of CPUs that would change >>> the mitigation state, and this is... ugly. >>> >> >> Ugh, yes indeed and here I was thinking that these things are >> straightforward :( > > It never is. Big-little is a broken concept. I'll try and think of > something next week, as I'm pretty swamped at the moment. > Sure no problem, thanks. -Sai -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation