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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_NEOMUTT 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 9FCE6C4321A for ; Tue, 11 Jun 2019 16:18:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6BD4820645 for ; Tue, 11 Jun 2019 16:18:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bFSFsDJz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405444AbfFKQSg (ORCPT ); Tue, 11 Jun 2019 12:18:36 -0400 Received: from mail-qt1-f195.google.com ([209.85.160.195]:43055 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405509AbfFKQSg (ORCPT ); Tue, 11 Jun 2019 12:18:36 -0400 Received: by mail-qt1-f195.google.com with SMTP id z24so2015843qtj.10 for ; Tue, 11 Jun 2019 09:18:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=T1SAE7tWdGhmdsrz6sQXRqUecRMhwxMSHwAZhuBAtXg=; b=bFSFsDJzi9mHgZQuY5qWb/gxxf3dMTj5XGvQCKP33AAfY36RiLkLnTwiMSp/IeIzcb 6pgii91lqJ6KkqLuHoyLRDDIwm99XiV2QekrWc9csrrlsnRDoT8NVNS8cI1/bBzUQDVx wvhIgcv7o7bnHBXBdBmxANdQrjs7fU0bqUrTU5xaQpfknxPerLb85FcTxYt85BhE4q5Q hkWQeTGQK+j2s7Erdsd3Kpf/BLxb3mO0RQ5bXb3BHiTzz60W2RuAGFPiExJVy8vPat/7 oYngr8juK5d6c0R+zrTbmB7S9H8OGUWPRftLvQHiL4WeUpvgvCJai6xea81A53K7lefU FB3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=T1SAE7tWdGhmdsrz6sQXRqUecRMhwxMSHwAZhuBAtXg=; b=IVSztfEf723MAlEkLFElT4CO1qXzXz+nv1wwSufv2JquIuandst41/EcfXg/xmwqFE 7o6wLDDyidEghEMXFlCnVEYKUcoyEhfq1JkhT5vHelfRiJ/0QsffWd5HL9zW7LJ4PfFJ g9tMnPFHa4iI6KGzEs9BQX0LcW8uRgNhU8Dd3KKN90GIQOYWg+qf0+29YiiK6HOG+OHm P9tIYTN4mv1T/GAB9yvbVfAaXfDuvLy4gxdPrZLdZ60Nd11ZJ6BOKAywSEzCHUnbdmYt QWbK9SrvnSsWH8yQgn2w+rUOb6RUUp3CmFZJEmbF5nLDTvaprkZwNqMfMVc6r1hwCsqg HZEQ== X-Gm-Message-State: APjAAAUl+BRnvTgYIDe79ju74QESxO4Lmd+0qavnBAonQAhkKlMyNnY4 Xt/+RtGOae4+zxa+ew9pYRvHOn0= X-Google-Smtp-Source: APXvYqy24BIzsBLMyJ9NPKf3YzSRzJhcWKbUEkuQGCNmFqzdIs0iPEm7cRIP9JF1ucYMWegtDfLXjA== X-Received: by 2002:a0c:c586:: with SMTP id a6mr4745347qvj.177.1560269915539; Tue, 11 Jun 2019 09:18:35 -0700 (PDT) Received: from gabell (nat-pool-bos-t.redhat.com. [66.187.233.206]) by smtp.gmail.com with ESMTPSA id o38sm7911744qto.96.2019.06.11.09.18.34 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 11 Jun 2019 09:18:35 -0700 (PDT) Date: Tue, 11 Jun 2019 12:18:29 -0400 From: Masayoshi Mizuma To: Catalin Marinas Cc: Will Deacon , linux-arm-kernel@lists.infradead.org, Masayoshi Mizuma , linux-kernel@vger.kernel.org, Hidetoshi Seto , Zhang Lei Subject: Re: [PATCH 2/2] arm64/mm: show TAINT_CPU_OUT_OF_SPEC warning if the cache size is over the spec. Message-ID: <20190611161828.kffrfqah2qtffahd@gabell> References: <20190611151731.6135-1-msys.mizuma@gmail.com> <20190611151731.6135-3-msys.mizuma@gmail.com> <20190611154105.GE10165@c02tf0j2hf1t.cambridge.arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190611154105.GE10165@c02tf0j2hf1t.cambridge.arm.com> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 11, 2019 at 04:41:06PM +0100, Catalin Marinas wrote: > On Tue, Jun 11, 2019 at 11:17:31AM -0400, Masayoshi Mizuma wrote: > > From: Masayoshi Mizuma > > > > Show the warning and taints as TAINT_CPU_OUT_OF_SPEC if the cache line > > size is greater than the maximum. > > In general the "out of spec" part is a misnomer, we tend to apply it to > CPU features that are not supported by the kernel rather than some CPU > feature not compliant with the architecture (we call the latter errata). > > I suggest you drop this patch. Thank you for your comments. I agree with you, so I drop this patch. Thanks, Masa