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 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B768FC369D3 for ; Sun, 27 Apr 2025 10:18:50 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.969815.1358747 (Exim 4.92) (envelope-from ) id 1u8z5n-0006aY-QC; Sun, 27 Apr 2025 10:18:35 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 969815.1358747; Sun, 27 Apr 2025 10:18:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1u8z5n-0006aR-NE; Sun, 27 Apr 2025 10:18:35 +0000 Received: by outflank-mailman (input) for mailman id 969815; Sun, 27 Apr 2025 10:18:34 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1u8z5m-0006aL-0w for xen-devel@lists.xenproject.org; Sun, 27 Apr 2025 10:18:34 +0000 Received: from dfw.source.kernel.org (dfw.source.kernel.org [2604:1380:4641:c500::1]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id f5a1fa4f-2350-11f0-9ffb-bf95429c2676; Sun, 27 Apr 2025 12:18:28 +0200 (CEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 3C3B55C365B; Sun, 27 Apr 2025 10:16:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E785C4CEEF; Sun, 27 Apr 2025 10:18:22 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: f5a1fa4f-2350-11f0-9ffb-bf95429c2676 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745749106; bh=L7uhmgzdcPMMNpeCjXVtvKibb8+nFSEltpr8Sjv+mGw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RvCrjiybvTY0/WvL1ox/pY2ZElx88ZlFJXqTv22U0Yn7gwzaqmLmacBEfhQgvgrfL 8SI72doZ4zQQ2fTGluj2fPPRLSdBU1mQVPKKpB5lc3hS0YdF2CCIXnNBpGr3VSINjE CHWysqhvkgob59ydkDUqfVBQ+mQSkUAfk/eyOhkb37d0UJRmy02DjlHSNY+jHSBp/x njihO9Gof91jSkeg4Dtv0Vv6CXBm+U517/QysoHnszSSAZsN2VYrEATGNZ/cVCEiy0 duvXRbmEOmujKqCS8PutcLDaBQmi2b3QfVuFe48V/0H+YjxXirETLEIMUdYhwKcpIc w+9GubMfHo3mw== Date: Sun, 27 Apr 2025 12:18:20 +0200 From: Ingo Molnar To: "H. Peter Anvin" Cc: Linus Torvalds , Arnd Bergmann , Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Juergen Gross , Boris Ostrovsky , Alexander Usyskin , Greg Kroah-Hartman , Mateusz =?utf-8?Q?Jo=C5=84czyk?= , Mike Rapoport , Ard Biesheuvel , Peter Zijlstra , linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Subject: Re: [PATCH] [RFC] x86/cpu: rework instruction set selection Message-ID: References: <20250425141740.734030-1-arnd@kernel.org> <9D1971C6-8C13-4526-8D2B-37A1D3B0B066@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9D1971C6-8C13-4526-8D2B-37A1D3B0B066@zytor.com> * H. Peter Anvin wrote: > The undefined zero case applies to family < 6 as far as I know... the > same platforms which don't have cmov... So, technically, these are family 5 CPUs with CMOV support, if Kconfig.cpu can be believed: MGEODE_LX MCRUSOE Right? Ingo