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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 8DCB8C2BA16 for ; Sat, 4 Apr 2020 08:33:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 60FCA20709 for ; Sat, 4 Apr 2020 08:33:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585989190; bh=VRCV/so7BKnM0P790h0/Q9OlUCaaiajC8qyNLu19kTw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=wIkil17tTH81x7sem5Gvw9i/ZCvxv1JPS839Ug4KfMB/7xITRD/reIt4Po547Wk3C e1LTBCZsDSnnMFxXuczbEQm/BGgOFSsbM13yLPlTqRWEz4afPTMePNERYaWz/m3qjk DjT+sB9GzVgUebrSTJubu9mLVa64UiSYnnqoXJJA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725957AbgDDIdJ (ORCPT ); Sat, 4 Apr 2020 04:33:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:59498 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725837AbgDDIdJ (ORCPT ); Sat, 4 Apr 2020 04:33:09 -0400 Received: from devnote2 (NE2965lan1.rev.em-net.ne.jp [210.141.244.193]) (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 8CD01206F5; Sat, 4 Apr 2020 08:33:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585989188; bh=VRCV/so7BKnM0P790h0/Q9OlUCaaiajC8qyNLu19kTw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=MqCoEbX7Zf7roHVsgb3PwItJ3gY5pTGfQbIXgN+W8np9k/acj5NQquzfDzbrME2+d +tBWPDLYwo3zkAxhaPLxrvKp4qOOvAdK6pSIjmrmj5hmhnZ/wrvenpXUj4QlywPAJr PCJ0s4QvVymhbpIf6n0/S3u+LXdh6qt3wXNIeEX8= Date: Sat, 4 Apr 2020 17:32:57 +0900 From: Masami Hiramatsu To: Randy Dunlap Cc: Peter Zijlstra , Christian =?UTF-8?B?S8O2bmln?= , Jann Horn , Harry Wentland , Leo Li , amd-gfx@lists.freedesktop.org, Alex Deucher , "David (ChunMing) Zhou" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , the arch/x86 maintainers , kernel list , Josh Poimboeuf , Andy Lutomirski , Arnaldo Carvalho de Melo Subject: Re: AMD DC graphics display code enables -mhard-float, -msse, -msse2 without any visible FPU state protection Message-Id: <20200404173257.a9231d8129ce616145960c26@kernel.org> In-Reply-To: <3f5565d3-90a5-be3e-d79d-715d7b94880d@infradead.org> References: <4c5fe55d-9db9-2f61-59b2-1fb2e1b45ed0@amd.com> <20200402141308.GB20730@hirez.programming.kicks-ass.net> <20200403142837.f61a18d7bd32fd73777479ad@kernel.org> <20200403112113.GN20730@hirez.programming.kicks-ass.net> <20200404120808.05e9aa61500265be2e031bd6@kernel.org> <3f5565d3-90a5-be3e-d79d-715d7b94880d@infradead.org> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 3 Apr 2020 20:15:11 -0700 Randy Dunlap wrote: > On 4/3/20 8:08 PM, Masami Hiramatsu wrote: > > +static inline int insn_is_fpu(struct insn *insn) > > +{ > > + if (!insn->opcode.got) > > + insn_get_opcode(insn); > > + if (inat_is_fpu(insn->attr)) { > > + if (insn->attr & INAT_FPUIFVEX) > > + return insn_is_avx(insn); > > + return 1; > > + } > > return 0; // ?? Oops, right! Hm, I need to add a caller for this API... Thanks, > > > +} > > + > > > -- > ~Randy > -- Masami Hiramatsu