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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39287C282C6 for ; Fri, 28 Feb 2025 18:51:01 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BE9776B0088; Fri, 28 Feb 2025 13:51:00 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B72436B0089; Fri, 28 Feb 2025 13:51:00 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 99EE06B008A; Fri, 28 Feb 2025 13:51:00 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 706426B0088 for ; Fri, 28 Feb 2025 13:51:00 -0500 (EST) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 25DFA4F441 for ; Fri, 28 Feb 2025 18:51:00 +0000 (UTC) X-FDA: 83170245480.11.46146C0 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by imf20.hostedemail.com (Postfix) with ESMTP id 89CC81C0002 for ; Fri, 28 Feb 2025 18:50:57 +0000 (UTC) Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=eJHQUaEw; dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf20.hostedemail.com: domain of dave.hansen@intel.com designates 192.198.163.11 as permitted sender) smtp.mailfrom=dave.hansen@intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1740768657; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=t8eKw4lsOg3/UxuKFKthagm624JiuuP3Xozn88WN/zg=; b=fhZo2iNbMa7j3+aoG5Ruq99ASnYEB3ZP3HNpStovvewTTiXxaBgKTXM01pVhxDuddmEZhi DVjt2NAKeRqAY86cQLVkk0otBk9v1kMtEjglWNRKN8/JKC8F6QNvBksOBlWI2en+/4ELlG RTqXCFZKEKXsnvBgq9YcehfOE+nJKcE= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1740768657; a=rsa-sha256; cv=none; b=hP/cWK1yRpBJHVsGdt3x+mBaxti6l5WOgKpCEu4FzX8apGThOMcJXVG5wE+0c3DUyMhpKL 0BOntBo8g3oKBglWdm84JrU7FHeI/S4Xw2Qt1BqL6pv2Rl+kznwhchoCie2j4EPD7y00g+ BTMj1aB4VQx2+7z1ikCmbuOtBYHKG7U= ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=eJHQUaEw; dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf20.hostedemail.com: domain of dave.hansen@intel.com designates 192.198.163.11 as permitted sender) smtp.mailfrom=dave.hansen@intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1740768658; x=1772304658; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=t8eKw4lsOg3/UxuKFKthagm624JiuuP3Xozn88WN/zg=; b=eJHQUaEwEkfPy5glQtguOmeUWxS4Pu+5FK3fte+wLO7RGPVLoo9PoOlK 8z2OL1wyF9j0CR9QGig+ZITznUDvzN66feHqaAcJxImnJ4I4VlPqkaX1m i0AqsEbT5Hb4WO/sKXkxeGZvtbaNgMYk8FT7nwDoxqcAS/LNSwlCDwWWx 2vxCwj3zU31/1BKuja4rGesyay5T+4RPY1PQhhoVzjBQt6FdY51a6vthb NDqcw2AsZHV8vGSBc0F19dsZ+86zuEjCZ6DxNDwfdzaSWH84BF58TdO8s DuICc5mEexinQPy2fATnBKyewi/aGmUs8kHgydei9CslJvpYJCUvGZpnn A==; X-CSE-ConnectionGUID: B6zaSE+GQia6kYV0SEuJBA== X-CSE-MsgGUID: i7fykXcZSMmCIzUR4Z7fZg== X-IronPort-AV: E=McAfee;i="6700,10204,11359"; a="52350234" X-IronPort-AV: E=Sophos;i="6.13,323,1732608000"; d="scan'208";a="52350234" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2025 10:50:56 -0800 X-CSE-ConnectionGUID: KdFcVdIcTRuks86YDmEnyw== X-CSE-MsgGUID: JpUj9B0YTp+s4u3dEx6zXQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="154581354" Received: from dwoodwor-mobl2.amr.corp.intel.com (HELO [10.125.108.137]) ([10.125.108.137]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2025 10:50:56 -0800 Message-ID: Date: Fri, 28 Feb 2025 10:51:08 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v14 03/13] x86/mm: add INVLPGB support code To: Rik van Riel , x86@kernel.org Cc: linux-kernel@vger.kernel.org, bp@alien8.de, peterz@infradead.org, dave.hansen@linux.intel.com, zhengqi.arch@bytedance.com, nadav.amit@gmail.com, thomas.lendacky@amd.com, kernel-team@meta.com, linux-mm@kvack.org, akpm@linux-foundation.org, jackmanb@google.com, jannh@google.com, mhklinux@outlook.com, andrew.cooper3@citrix.com, Manali.Shukla@amd.com, mingo@kernel.org References: <20250226030129.530345-1-riel@surriel.com> <20250226030129.530345-4-riel@surriel.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: <20250226030129.530345-4-riel@surriel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 89CC81C0002 X-Stat-Signature: fi134ctacxwopgkkte5h3p8ym98n1c6b X-HE-Tag: 1740768657-344785 X-HE-Meta: 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 vt/sgfrM ZD4+ns9gEUh9MNQGRf6FTNpypZBoqIiZTosxu7Kqh1HYnIO1QKHzhVndCT5naAaYgouGONoiwqiv90GzixH8HQ78HBOT6/MtHKinLCiRjLpZaV3NgfzVQiBbFGw4i6ZTkUFrY+TuKnp/D8oRuBDv9qDUPJ16sm0T0YfT3qTJ4rv51Xrp0zi0EP6vZI2n7T3l0LA+18shenrVCP2Az7UfIiOmEpblqwQVGAA5OX3By07IgoDdizdCVrcSjbvb+8Ta2S806DWTK94D+U3uTwSb1ZBrodA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2/25/25 19:00, Rik van Riel wrote: > Add helper functions and definitions needed to use broadcast TLB > invalidation on AMD EPYC 3 and newer CPUs. I don't know if I mentioned it earlier, but I'd leave this explanation of where the feature shows up for the cover letter or the Documentation/.