Received: by 2002:a89:48b:0:b0:1f5:f2ab:c469 with SMTP id a11csp620625lqd; Wed, 24 Apr 2024 11:39:50 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCXcB1QtgPpvtB3ijUBatGW2e6HAWd1QmS0Kmkm29uMhGAxXlbgkjjpY5xJ5J0nsF7UMoO3TGWE9pzx5IAY94N9DUqFReLxMNAfYx8gNOw== X-Google-Smtp-Source: AGHT+IHqJ7XP16fz1CP/0gg/C4wrNgzeCFd7i6sQko7Gyhx+nJvOWBbYhdvhx5Yan4EgKPPr8NPy X-Received: by 2002:a2e:9cd7:0:b0:2d8:7d1a:1118 with SMTP id g23-20020a2e9cd7000000b002d87d1a1118mr2556329ljj.23.1713983990406; Wed, 24 Apr 2024 11:39:50 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1713983990; cv=pass; d=google.com; s=arc-20160816; b=CKY69DvE2XK8XDl1U1C8szekqtxvFilCy6DzOzBEdQ2NAKyhdI/gvEl4qnqTeO4Nwd GYVfLaRUc//yI/EJn5eihdcrotIjPp7fIEkVV0sjl5UKcJ4/Ec1QEAsdqtjieCq7hPOJ 31f90ihm4+DHy+FR5eySqKk2GNmUleqx8gBDteSBNzv93j5ilGmdRa2KiHM48r1OsTjz gQEK6Mw2UNneJV5cgsbBv9o7uSMh7MO4/BP947wDn56aXFpOiKG6ToCkLF9MY8wfZTty tFsdYKc/hrnXmL3tnGoCIjG+cOA5bH0gRYkYHjE4jrOCK3nrhKhBedXDprQnqEtBfZa2 gbSw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :list-unsubscribe:list-subscribe:list-id:precedence:date:message-id :dkim-signature; bh=7EkczjHt8uDy3UxrZvXWeekHgMOzWVPc21e9NJwZAAE=; fh=3tn/zQ5oCC5eBSH9l49yVbzZFZrNqZtrCFkpN5BA9GA=; b=sFdaYOEts4qtjzvktnzYnCDYuX0XH3qtwRBk0fNfoCk1F5b245Fojg5u3yqO3O0THp VSYQ+0JknxDHZf1C4RXlB4lrBR+WP9gFxHyeihQdFAF22fSOr9ew2gtyZAFsQsv+odeE jYm1zGnjt/CF+opAXBeS2FNyAETpksosWxljZG61Wqz2CSt5DTDQnYgh2uYty5q6RjvI XjCiPFUqj0ILG9zn61iGHv+PbOpUOIwD3jugkZEt9ZPJMHqk+GXrIJlN2DBLa6YF7e+t 0zWxnO+e19uK6p2+Fpxv86vp5odr/h6quDrDEUxx3fQ+RwYdd+j/MOqPqsKGhv53NrBZ iTLQ==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=VWZRnuNa; arc=pass (i=1 spf=pass spfdomain=intel.com dkim=pass dkdomain=intel.com dmarc=pass fromdomain=intel.com); spf=pass (google.com: domain of linux-kernel+bounces-157535-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-157535-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [147.75.80.249]) by mx.google.com with ESMTPS id js15-20020a17090797cf00b00a5586fe76b9si8085280ejc.762.2024.04.24.11.39.50 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Apr 2024 11:39:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-157535-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=VWZRnuNa; arc=pass (i=1 spf=pass spfdomain=intel.com dkim=pass dkdomain=intel.com dmarc=pass fromdomain=intel.com); spf=pass (google.com: domain of linux-kernel+bounces-157535-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-157535-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 1CA5E1F24663 for ; Wed, 24 Apr 2024 18:39:50 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8C6081C68F; Wed, 24 Apr 2024 18:39:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="VWZRnuNa" Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 71F061BC49 for ; Wed, 24 Apr 2024 18:39:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713983980; cv=none; b=Db30e4FDyMcR/tgzNcYEfL+XE7/bogB9KIg4J2Xv8R+nJdaEItXPDzAmfmurttj0oODPWRXTkgBRUARCyPdpfkHjwfUDHd8YhbS21dr4X8pxHvk/DkoX7m5AZDz9cdhQHpnIw7PL57oBXqzqYVELmKvDBjWcDp3yRpGp6fFARv4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713983980; c=relaxed/simple; bh=XNCS2vE/uZ8FvuejqdKm2GWopK0U4sgGpwzCY+yux5A=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=RExfuvv1i/b1Jbf7kSR3gcMRN3uFeUWWk2Zp+0oyN0GILGQti4wp+Bfpi2BxCmjXcjwQ4w97y2WU7NBl4wqSDH0Ss63xUxxuQrPzmu5Wkj5kCrCl5wN5HXELJ/K7PNHvsdVPs6tZDVJiQ8jlczX89oOnx5YRaydF9jzbL3l9O1Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=VWZRnuNa; arc=none smtp.client-ip=198.175.65.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713983980; x=1745519980; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=XNCS2vE/uZ8FvuejqdKm2GWopK0U4sgGpwzCY+yux5A=; b=VWZRnuNaGfHtYIsrnc8juQ0rYUNZxtWEpNGLinAW+gHEY+n1VUndetA8 1PYVx+g3lS+qUGGlB57tRa8gcLV/G1Oxwr/eYS9NLGMJq4L1fa0A/mYU6 tMUJb+lWWqn/gWav8ehRy5NFGyMgZAbMAwrmmFg7TLbfNE3cQbF6f7kXR pr7UmBT+xEva2z9Q5ob5Dt+2Awo+EvGPEin2bDe1LAROX/hq8Np8+a2vf rvppae2MG4mnlIeCf1wwumWz0AJ/vDPxUNospvz785TWssvGgCtFfWUp+ 22FMxE/wAuofaGTXLIVzCzU65v8ua4Ev3nEC/uGKfB+V2vsCMTCGGEM8C w==; X-CSE-ConnectionGUID: HAYF+p2NS7aOTTumbQAaOg== X-CSE-MsgGUID: XCNma6OTTB6rwZFOxfeYuA== X-IronPort-AV: E=McAfee;i="6600,9927,11054"; a="13422640" X-IronPort-AV: E=Sophos;i="6.07,226,1708416000"; d="scan'208";a="13422640" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Apr 2024 11:39:39 -0700 X-CSE-ConnectionGUID: tKbITtiCTUKFd3D7HQw94w== X-CSE-MsgGUID: 3paWN80SQ4mdO5LFlAJ6/w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,226,1708416000"; d="scan'208";a="25425096" Received: from ttiasha-mobl1.amr.corp.intel.com (HELO [10.209.122.5]) ([10.209.122.5]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Apr 2024 11:39:39 -0700 Message-ID: <9a9ca7a4-e302-40f9-a112-c92bf9c720e7@intel.com> Date: Wed, 24 Apr 2024 11:39:38 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 00/71] New Intel CPUID families To: Tony Luck , Borislav Petkov Cc: x86@kernel.org, linux-kernel@vger.kernel.org, patches@lists.linux.dev References: <20240424181245.41141-1-tony.luck@intel.com> Content-Language: en-US From: Dave Hansen Autocrypt: addr=dave.hansen@intel.com; keydata= xsFNBE6HMP0BEADIMA3XYkQfF3dwHlj58Yjsc4E5y5G67cfbt8dvaUq2fx1lR0K9h1bOI6fC oAiUXvGAOxPDsB/P6UEOISPpLl5IuYsSwAeZGkdQ5g6m1xq7AlDJQZddhr/1DC/nMVa/2BoY 2UnKuZuSBu7lgOE193+7Uks3416N2hTkyKUSNkduyoZ9F5twiBhxPJwPtn/wnch6n5RsoXsb ygOEDxLEsSk/7eyFycjE+btUtAWZtx+HseyaGfqkZK0Z9bT1lsaHecmB203xShwCPT49Blxz VOab8668QpaEOdLGhtvrVYVK7x4skyT3nGWcgDCl5/Vp3TWA4K+IofwvXzX2ON/Mj7aQwf5W iC+3nWC7q0uxKwwsddJ0Nu+dpA/UORQWa1NiAftEoSpk5+nUUi0WE+5DRm0H+TXKBWMGNCFn c6+EKg5zQaa8KqymHcOrSXNPmzJuXvDQ8uj2J8XuzCZfK4uy1+YdIr0yyEMI7mdh4KX50LO1 pmowEqDh7dLShTOif/7UtQYrzYq9cPnjU2ZW4qd5Qz2joSGTG9eCXLz5PRe5SqHxv6ljk8mb ApNuY7bOXO/A7T2j5RwXIlcmssqIjBcxsRRoIbpCwWWGjkYjzYCjgsNFL6rt4OL11OUF37wL QcTl7fbCGv53KfKPdYD5hcbguLKi/aCccJK18ZwNjFhqr4MliQARAQABzUVEYXZpZCBDaHJp c3RvcGhlciBIYW5zZW4gKEludGVsIFdvcmsgQWRkcmVzcykgPGRhdmUuaGFuc2VuQGludGVs LmNvbT7CwXgEEwECACIFAlQ+9J0CGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEGg1 lTBwyZKwLZUP/0dnbhDc229u2u6WtK1s1cSd9WsflGXGagkR6liJ4um3XCfYWDHvIdkHYC1t MNcVHFBwmQkawxsYvgO8kXT3SaFZe4ISfB4K4CL2qp4JO+nJdlFUbZI7cz/Td9z8nHjMcWYF IQuTsWOLs/LBMTs+ANumibtw6UkiGVD3dfHJAOPNApjVr+M0P/lVmTeP8w0uVcd2syiaU5jB aht9CYATn+ytFGWZnBEEQFnqcibIaOrmoBLu2b3fKJEd8Jp7NHDSIdrvrMjYynmc6sZKUqH2 I1qOevaa8jUg7wlLJAWGfIqnu85kkqrVOkbNbk4TPub7VOqA6qG5GCNEIv6ZY7HLYd/vAkVY E8Plzq/NwLAuOWxvGrOl7OPuwVeR4hBDfcrNb990MFPpjGgACzAZyjdmYoMu8j3/MAEW4P0z F5+EYJAOZ+z212y1pchNNauehORXgjrNKsZwxwKpPY9qb84E3O9KYpwfATsqOoQ6tTgr+1BR CCwP712H+E9U5HJ0iibN/CDZFVPL1bRerHziuwuQuvE0qWg0+0SChFe9oq0KAwEkVs6ZDMB2 P16MieEEQ6StQRlvy2YBv80L1TMl3T90Bo1UUn6ARXEpcbFE0/aORH/jEXcRteb+vuik5UGY 5TsyLYdPur3TXm7XDBdmmyQVJjnJKYK9AQxj95KlXLVO38lczsFNBFRjzmoBEACyAxbvUEhd GDGNg0JhDdezyTdN8C9BFsdxyTLnSH31NRiyp1QtuxvcqGZjb2trDVuCbIzRrgMZLVgo3upr MIOx1CXEgmn23Zhh0EpdVHM8IKx9Z7V0r+rrpRWFE8/wQZngKYVi49PGoZj50ZEifEJ5qn/H Nsp2+Y+bTUjDdgWMATg9DiFMyv8fvoqgNsNyrrZTnSgoLzdxr89FGHZCoSoAK8gfgFHuO54B lI8QOfPDG9WDPJ66HCodjTlBEr/Cwq6GruxS5i2Y33YVqxvFvDa1tUtl+iJ2SWKS9kCai2DR 3BwVONJEYSDQaven/EHMlY1q8Vln3lGPsS11vSUK3QcNJjmrgYxH5KsVsf6PNRj9mp8Z1kIG qjRx08+nnyStWC0gZH6NrYyS9rpqH3j+hA2WcI7De51L4Rv9pFwzp161mvtc6eC/GxaiUGuH BNAVP0PY0fqvIC68p3rLIAW3f97uv4ce2RSQ7LbsPsimOeCo/5vgS6YQsj83E+AipPr09Caj 0hloj+hFoqiticNpmsxdWKoOsV0PftcQvBCCYuhKbZV9s5hjt9qn8CE86A5g5KqDf83Fxqm/ vXKgHNFHE5zgXGZnrmaf6resQzbvJHO0Fb0CcIohzrpPaL3YepcLDoCCgElGMGQjdCcSQ+Ci FCRl0Bvyj1YZUql+ZkptgGjikQARAQABwsFfBBgBAgAJBQJUY85qAhsMAAoJEGg1lTBwyZKw l4IQAIKHs/9po4spZDFyfDjunimEhVHqlUt7ggR1Hsl/tkvTSze8pI1P6dGp2XW6AnH1iayn yRcoyT0ZJ+Zmm4xAH1zqKjWplzqdb/dO28qk0bPso8+1oPO8oDhLm1+tY+cOvufXkBTm+whm +AyNTjaCRt6aSMnA/QHVGSJ8grrTJCoACVNhnXg/R0g90g8iV8Q+IBZyDkG0tBThaDdw1B2l asInUTeb9EiVfL/Zjdg5VWiF9LL7iS+9hTeVdR09vThQ/DhVbCNxVk+DtyBHsjOKifrVsYep WpRGBIAu3bK8eXtyvrw1igWTNs2wazJ71+0z2jMzbclKAyRHKU9JdN6Hkkgr2nPb561yjcB8 sIq1pFXKyO+nKy6SZYxOvHxCcjk2fkw6UmPU6/j/nQlj2lfOAgNVKuDLothIxzi8pndB8Jju KktE5HJqUUMXePkAYIxEQ0mMc8Po7tuXdejgPMwgP7x65xtfEqI0RuzbUioFltsp1jUaRwQZ MTsCeQDdjpgHsj+P2ZDeEKCbma4m6Ez/YWs4+zDm1X8uZDkZcfQlD9NldbKDJEXLIjYWo1PH hYepSffIWPyvBMBTW2W5FRjJ4vLRrJSUoEfJuPQ3vW9Y73foyo/qFoURHO48AinGPZ7PC7TF vUaNOTjKedrqHkaOcqB185ahG2had0xnFsDPlx5y In-Reply-To: <20240424181245.41141-1-tony.luck@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 4/24/24 11:12, Tony Luck wrote: > But the tl;dr version is that some surgery is required to make adding > CPUs with new CPUID "family" values elegant. Hey Tony, With the exception of the unavoidable PECI goofiness, this seems like a really universal win in readability and compactness. It's looks really nice. Thanks!