Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp1640196ybb; Thu, 9 Apr 2020 06:18:00 -0700 (PDT) X-Google-Smtp-Source: APiQypITvHzaDwmi46TuIE/Unf0RFMebKf6RWaugmyQbL/HsbOyqbDUcmLzXODG2Yp1acWlMfPNR X-Received: by 2002:ac8:266c:: with SMTP id v41mr12145049qtv.174.1586438280417; Thu, 09 Apr 2020 06:18:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1586438280; cv=none; d=google.com; s=arc-20160816; b=XbKfVfu0jQk5npx4GreHTsy1Qtx90DbyYMRBOL3FrMEtw4KnWDySSemgOJ6b2ZEJHQ ek2r47VRvPpFhcRAle7uJQU/4JYljKld52dE+wT3NjFF2a/XxGnO5nO7m2Vhr0qBYFXn xXHCXcuWcdfdxXbMAfYRkNGR5qhOpBIIMN3XCP+mLiZvrZ6etOXMLy5X0Hj8hEMUUEst QP6xNIyljT2kBNSeVP/zGu4glgt2k8MD/A12NezZRSL0o6MRxew3vOBOQITl/PjCW+up mtwuCXyMvMbdJLYNwBwEYt9yDRZIKIWaKBEYxeJlDmgF9vgP8rZvN1ALLNWpMCwm90bZ /cOg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=5tPGkiHSxcCYDq9zUDgZzSfY67RMmXmoTiv6TPvJNT0=; b=j1bMVu+ymB/JrjlAkXwPtftD6Zg+FbNcZJy4PrOmmvMf7CQMGQW7nyv+W3TtFkAqNg um0QMhRuyPqTWhF10Pu1P/s3RgzVcPTDNGa1tiZ9CKtCuUROffDBAg6jdbb1FspduZVa a5XTzjw/1RqMe3GdAa/2o1/WBJodsjPLbLLRHHTboV6OJIVL8Ds2o4oFxpm9D4qDabUa IxXUFiUPEDFHQji+wpd7a0R49v5WrS9NyRnwp8U2ygDWEln7224QTdZsU1iGKGcckGg8 fIL/lhk7LjoGk029fv6XSeu/TGrTbD4RcczzLRCfqLFyddZqrX8j994bJyO6lv4FZoBS mvQg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=plUHnHQ3; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x27si4705703qkx.137.2020.04.09.06.17.44; Thu, 09 Apr 2020 06:18:00 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=plUHnHQ3; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726761AbgDIMxG (ORCPT + 99 others); Thu, 9 Apr 2020 08:53:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:40658 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726571AbgDIMxF (ORCPT ); Thu, 9 Apr 2020 08:53:05 -0400 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (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 E2DCA2078E; Thu, 9 Apr 2020 12:53:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586436785; bh=Kk1SW3weqdz4tmBHA5UhYBHVxFwphct/t4b5tGbPZms=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=plUHnHQ3DZTmwFicvlj+/ZUHcc/JJKaTER7h0q1lrZfzH8M8hXI4jqM2gx+UHAFwE 4sTt1RMsjYezWLsw3Ozs992kSNzE1YN/3BJ1lZTQ/3D6NURIdvH+diuQ9oaQ5a2p2M N4YiLbY+T15eZQfyFnwwLedPk9yyGN6IKUS9N+YQ= Date: Thu, 9 Apr 2020 13:53:00 +0100 From: Will Deacon To: Suzuki K Poulose Cc: anshuman.khandual@arm.com, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, james.morse@arm.com, maz@kernel.org, mark.rutland@arm.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 5/6] arm64/cpufeature: Drop TraceFilt feature exposure from ID_DFR0 register Message-ID: <20200409125255.GA13078@willie-the-truck> References: <1580215149-21492-1-git-send-email-anshuman.khandual@arm.com> <1580215149-21492-6-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 20, 2020 at 06:19:21PM +0000, Suzuki K Poulose wrote: > On 01/28/2020 12:39 PM, Anshuman Khandual wrote: > > ID_DFR0 based TraceFilt feature should not be exposed. > > ... to guests. > > Hence lets drop it. > > Reviewed-by: Suzuki K Poulose Hmm, doesn't dropping cause it to become NONSTRICT? In general, I'd prefer that we list all fields in these tables, rather than have implicit behaviour in their absence. Will