From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 2349914885B; Fri, 23 May 2025 13:12:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748005960; cv=none; b=tlNLByJ7L34/8fWljh6dDetkFkoMGPYEiyAB242WaY9gVWb+NBAQe7IVDs0dpxCqXHwztpddvhqRKS1b07zSrBxB8EATEtSs4QQoHX2nTHioBGFw4zkBVp6a/dy2qrgbZoOlN6ChrDtfpAfZl7tfquWwSpbr+y1+oID0AwxirIA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748005960; c=relaxed/simple; bh=9SugXRrE9PpqZwWLIG/qzbGhzadN0J1Xh2e9tSKDdFQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jOZVbtVoC/0jWkieM5vPeDRUrnbP3CLzZqMAnfNTwyy0ec4sjKQ04RyELlLeDScIF5AJdF5sbyOy28rRM/AQHuWb0Ec7aU/ic2ECKyqLN3xn1y0VqU74d3ZIWcJsbPSM4J5P2LdpRKgkVe8V67i+J69BebGMbck/3zIM1LttqOE= 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=MPxVG9Do; arc=none smtp.client-ip=198.175.65.20 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="MPxVG9Do" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1748005958; x=1779541958; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=9SugXRrE9PpqZwWLIG/qzbGhzadN0J1Xh2e9tSKDdFQ=; b=MPxVG9Dob5fYGZ0t77KCD8ESDvuZSr5wo0sBlfgWBr64GZ11OYWc/6/q ngAzCK0gMIyq+WxuywE1lUftOxUyMIgJpmV1j9pjMhKMfndT0ZoAfnPQf ciKJ9WcEupDda5awZoNUaRCVHayB7ImsVyNfMfmh4VdMsNeHiZ5OxUJdg OUWgZ2sRwxGeH2zMvy2UXLN2IoWFQFkwkhE8k2Yjpc1O813sZ/nbE6MH6 YJBFchX2+KHcpupIANmg4JYbQgehpGSyFj3hB4erblDjgTT2//g9YYMTS UVybV33I2jkxUWZ0aImCBfXqAnh5wNnNRqZlSSef4iIVkKRj5zZXbxPSp Q==; X-CSE-ConnectionGUID: bSSJGygTTreFkJfZrwL4fw== X-CSE-MsgGUID: EuaUNaTWTMS48SiYhvJZaQ== X-IronPort-AV: E=McAfee;i="6700,10204,11441"; a="49766784" X-IronPort-AV: E=Sophos;i="6.15,308,1739865600"; d="scan'208";a="49766784" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 May 2025 06:12:37 -0700 X-CSE-ConnectionGUID: FS7zd6hQRtaKz/WmDWSIhw== X-CSE-MsgGUID: Zxpj9SUSS+SuYp4TB3pPog== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,308,1739865600"; d="scan'208";a="146126629" Received: from msatwood-mobl.amr.corp.intel.com (HELO [10.125.109.147]) ([10.125.109.147]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 May 2025 06:12:36 -0700 Message-ID: <509a5751-f2a4-45af-8bfb-1058dae549fb@intel.com> Date: Fri, 16 May 2025 08:19:18 -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 v7 0/6] Introduce CET supervisor state support To: Ingo Molnar , Chao Gao Cc: x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, tglx@linutronix.de, seanjc@google.com, pbonzini@redhat.com, peterz@infradead.org, rick.p.edgecombe@intel.com, weijiang.yang@intel.com, john.allen@amd.com, bp@alien8.de, chang.seok.bae@intel.com, xin3.li@intel.com, Aruna Ramakrishna , Dave Hansen , Eric Biggers , "H. Peter Anvin" , Ingo Molnar , Kees Cook , Maxim Levitsky , Mitchell Levy , Nikolay Borisov , Oleg Nesterov , Samuel Holland , Sohil Mehta , Stanislav Spassov , Uros Bizjak , Vignesh Balasubramanian , Zhao Liu References: <20250512085735.564475-1-chao.gao@intel.com> From: Dave Hansen Content-Language: en-US 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: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/15/25 08:41, Ingo Molnar wrote: > * Chao Gao wrote: >> I kindly request your consideration for merging this series. Most of >> patches have received Reviewed-by/Acked-by tags. > I don't see anything objectionable in this series. > > The upcoming v6.16 merge window is already quite crowded in terms of > FPU changes, so I think at this point we are looking at a v6.17 merge, > done shortly after v6.16-rc1 if everything goes well. Dave, what do you > think? It's getting into shape, but it has a slight shortage of reviews. For now, it's an all-Intel patch even though I _thought_ AMD had this feature too. It's also purely for KVM and has some suggested-by's from Sean, but no KVM acks on it. I have the feeling Sean would speak up if this was going in a bad direction for KVM, but I do love to see acks accompanying suggested-by's to indicate that the suggestion was interpreted properly.