From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 A19D32D7814 for ; Wed, 3 Dec 2025 21:40:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764798030; cv=none; b=bTcPlIPAHgwlLCH7JeeeUckXxkjC2aDBppzIKNtD8eIjiOf2hGZjYIPf07eeKH4SuLNNKKpTiNHXIIxRpk34xygCmUp+4Qprm7M89Cep86cQOtVASvUFwCduaW663EFOrd6GeST27GoJQubkqpFXUL/L060qH2rWw30I8MzJ+sQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764798030; c=relaxed/simple; bh=BhVnoOOBjOVBBGAI2ZkpumpyNOfaQV5FHSLyoRKf6uU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=sN7Xzu/prK4YhkAgIKzG3DUIioZejzqgYkuYaYoOqAJLhmcaRem1PzMKjA6eL2D6wqcnmOo02mhw56QcKqUcqJsGNGC3gNO3l2ic4tFPDQHWINGARd+NbZgaEBmLiT6BYROfghnK34IzPNc49YFzqib4Cr0SoZDL4LX0PZ2mQxA= 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=g9LZAaY3; arc=none smtp.client-ip=192.198.163.10 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="g9LZAaY3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764798029; x=1796334029; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=BhVnoOOBjOVBBGAI2ZkpumpyNOfaQV5FHSLyoRKf6uU=; b=g9LZAaY3TV5B8RsUllUX6RzA0JcizaglnHjFrNl+aGhpUb0bZ39j3s7v cGJhkMjGqiUEGDEg77hhS6V/VmzyWCqgSWfnd0NentFO2KuxDl2tKxwdr 3Baz8yv/+yQ+MofUV4SsyIE6Xn1iSbynbzQRJPA9e1//rhduRB9Rjs9T6 /OU+ghAwTF0i4OXOuSbYZpwRer7aXXHgbcZxFPVtDNW0Xc2F4JfOlm0gN a9tEkrgk7yEGkABC/ZsJXUCpsgMxh4N4xo2cf8PV5GWDKr71y5MMg4Ihg pQzM1eZfzuXmQNU+4KwZREoQSPFjn+Mh5SscQvvm2xfEqabGc0iM5weKb w==; X-CSE-ConnectionGUID: 8A7vvu/iSMq2vkmuCWB2fA== X-CSE-MsgGUID: snjCDybyTLuVw2kFtNcE2Q== X-IronPort-AV: E=McAfee;i="6800,10657,11631"; a="78159083" X-IronPort-AV: E=Sophos;i="6.20,247,1758610800"; d="scan'208";a="78159083" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Dec 2025 13:40:28 -0800 X-CSE-ConnectionGUID: fRTiVnv2S5+D/TDRPPu0NA== X-CSE-MsgGUID: Yo39SRYhT1qIukOxsXtt1Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,247,1758610800"; d="scan'208";a="199926982" Received: from tslove-mobl4.amr.corp.intel.com (HELO [10.125.108.18]) ([10.125.108.18]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Dec 2025 13:40:27 -0800 Message-ID: Date: Wed, 3 Dec 2025 13:40:27 -0800 Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 07/16] x86/virt/tdx: Add tdx_alloc/free_page() helpers To: "Edgecombe, Rick P" , "nik.borisov@suse.com" , "kas@kernel.org" Cc: "kvm@vger.kernel.org" , "Li, Xiaoyao" , "Huang, Kai" , "linux-coco@lists.linux.dev" , "Zhao, Yan Y" , "Wu, Binbin" , "linux-kernel@vger.kernel.org" , "seanjc@google.com" , "mingo@redhat.com" , "pbonzini@redhat.com" , "tglx@linutronix.de" , "Yamahata, Isaku" , "Annapurve, Vishal" , "Gao, Chao" , "bp@alien8.de" , "x86@kernel.org" References: <20251121005125.417831-1-rick.p.edgecombe@intel.com> <20251121005125.417831-8-rick.p.edgecombe@intel.com> <730de4be289ed7e3550d40170ea7d67e5d37458f.camel@intel.com> <0274cee22d90cbfd2b26c52b864cde6dba04fc60.camel@intel.com> <7xbqq2uplwkc36q6jyorxe6u3fboka3snwar6parado5ysz25o@qrstyzh3okgh> <89d5876f-625b-43a6-bcad-d8caa4cbda2b@suse.com> <04c51f1d-b79b-4ff8-b141-5888407a318e@intel.com> <474f5ace-e237-4c01-b0bc-d3e68ecc937b@intel.com> <8bd4850b0c74fbed531232a4a69603882a5562a1.camel@intel.com> <408079db-c488-492e-b6e7-063dea3cb861@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: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 12/3/25 13:39, Edgecombe, Rick P wrote: > So I take it you are ok to leave the general approach, but worth trying to > remove the dynamic sizing. Yeah, that sounds fine.