Received: by 2002:a05:7412:8d10:b0:f3:1519:9f41 with SMTP id bj16csp4804614rdb; Tue, 12 Dec 2023 09:43:05 -0800 (PST) X-Google-Smtp-Source: AGHT+IHqQ16StYc4+6iP/M08rz3/yYvhMd/hw6hds+RmErg0BAmuel1CE2xaet/UCieiGeOhdvTn X-Received: by 2002:a92:c109:0:b0:35d:5995:1d76 with SMTP id p9-20020a92c109000000b0035d59951d76mr8404401ile.59.1702402985536; Tue, 12 Dec 2023 09:43:05 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1702402985; cv=none; d=google.com; s=arc-20160816; b=a+OgOdd7BNM3OoRCMxhv64unD7cGPAn5jtuBpyzaWwJwLazURwpr+mkybifTnjl4dj D8vSk5uTfSDRR9S4VCW7i3W+kvk4R6lqeiFesHBBO94bG5IprlKrlcOvIpK0o2z+D2OO LWWvykowGucpm3VHQYGNwKRcWilybzrsZLIfWJZB+UIriPaHy146JPZI105Jxgs/9CDN 5Q0IXrP8Jx66UZkbi02d1xdUQ9gLjkDAe1fQmGUMGpKob2GZ8bLyy9RQMqce/dA8oBC4 lPWbEFlWOX4YAH8oAjTdnDgJNQittGB2H4ypuSVuIXgPMeN3jrsKl/2HCFas2mfZN7tU KxmQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=d0DD9Ue8+G08yBLY2DmpNZKTpWNNbOsx+gLo5Kn2/Ss=; fh=XBsE9rKH5UvHZ/AruoefTsS+a91gZ8qlh4IioFQKf7k=; b=ftsma5hz5sPLPNJzjudg2VCJfP2KMVvqzu9wblYuckZyqMPqtDPV9eJmKbfv55C3Fc MwwDTuq6zvHewgp0YJnW1gv+JtM4uWayRQl35HvCzC72UBA7BsrdIS3yxbHN+xupGnyy IDinpSWNx+vgJt74U4c7z9EAy7AuzqYOCc6gqJ6oKsMr2vXXM1JNcvunuafR7t8PNDUR ybo4uteJkqrJ5KPLUxeeCTCEhEQR6yEMYEWH+Y2IdQI/IuYlGW2z8S72fF6pS6H1kzL+ 5NmFHmQZ7SsJp5ICgp6Fo7MITOZ2tgMl/heAk2L35Fs3igbQrpcgBxnoRdTyviQek+50 F+Aw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=lDcLxHel; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 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 morse.vger.email (morse.vger.email. [2620:137:e000::3:1]) by mx.google.com with ESMTPS id a1-20020a654181000000b005b92b048254si8098110pgq.201.2023.12.12.09.43.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Dec 2023 09:43:05 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) client-ip=2620:137:e000::3:1; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=lDcLxHel; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:1 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by morse.vger.email (Postfix) with ESMTP id C1E938068E35; Tue, 12 Dec 2023 09:43:02 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at morse.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233133AbjLLRmv (ORCPT + 99 others); Tue, 12 Dec 2023 12:42:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232817AbjLLRmt (ORCPT ); Tue, 12 Dec 2023 12:42:49 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D34F383 for ; Tue, 12 Dec 2023 09:42:55 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 912EFC433C7; Tue, 12 Dec 2023 17:42:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702402975; bh=+h9Hy/o6qPUoywDyWEUPYa0LHvbEAwTr1e24Paq/tos=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lDcLxHelMIzPI8uabqZaj/J1ptw8Bbp3/fmYDq0ra7rMT0PeFkQ90OOZCAPFaUb6A Pf1xrFjFQDntjBJ4litDwDD96rI7P1hbXkHlQbxzfymZPaWqFcP3fJIKPQdbiwgy5V BZJhfu7qQSK2nEpGdAWBr/1DJIdxCNhkDvpMPJNKnZReAND+JosLQhQEoKLVyhjNHY 7QQIjUTZ9p13DxnOVCRkam5wdQ9+3tPoCM9vtVV5SAZCsuMYJISitUvT7/vXsbJMJc Qmgwwdb2RgC0munn2yFEdl9n2A/m1gqB5rjiOmGfk/xWixe+wxrvaEF4X8ZUEXoRmv Bu4BZ7fKxNpRQ== Date: Tue, 12 Dec 2023 09:42:52 -0800 From: Josh Poimboeuf To: Christoph Hellwig Cc: Samuel Holland , Palmer Dabbelt , Harry Wentland , Leo Li , Rodrigo Siqueira , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , Christian =?utf-8?B?S8O2bmln?= , Alex Deucher , Pan Xinhui , Daniel Vetter , amd-gfx@lists.freedesktop.org, Masahiro Yamada , Nathan Chancellor , Nick Desaulniers , Nicolas Schier , linux-kbuild@vger.kernel.org, Peter Zijlstra , Michael Ellerman , linuxppc-dev@lists.ozlabs.org, Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 3/3] drm/amd/display: Support DRM_AMD_DC_FP on RISC-V Message-ID: <20231212174252.ycztjhgyhtcrffur@treble> References: <20231122030621.3759313-1-samuel.holland@sifive.com> <20231122030621.3759313-4-samuel.holland@sifive.com> <6d4cecd5-9083-4d68-a7e2-266dae9e3952@sifive.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Tue, 12 Dec 2023 09:43:02 -0800 (PST) On Mon, Dec 11, 2023 at 11:12:42PM -0800, Christoph Hellwig wrote: > On Thu, Dec 07, 2023 at 10:49:53PM -0600, Samuel Holland wrote: > > Actually tracking all possibly-FPU-tainted functions and their call sites is > > probably possible, but a much larger task. > > I think objtool should be able to do that reasonably easily, it already > does it for checking section where userspace address access is enabled > or not, which is very similar. Yeah, that might be doable. I can look into it. -- Josh