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 DCA7CC54E58 for ; Tue, 12 Mar 2024 16:04:14 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 758366B0274; Tue, 12 Mar 2024 12:04:14 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6E25E6B0275; Tue, 12 Mar 2024 12:04:14 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 55B7B6B0276; Tue, 12 Mar 2024 12:04:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 3F4F56B0274 for ; Tue, 12 Mar 2024 12:04:14 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 16159120DE2 for ; Tue, 12 Mar 2024 16:04:14 +0000 (UTC) X-FDA: 81888858828.21.F4021C5 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by imf25.hostedemail.com (Postfix) with ESMTP id 25757A002A for ; Tue, 12 Mar 2024 16:04:08 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=J77M5DSU; spf=pass (imf25.hostedemail.com: domain of dave.hansen@intel.com designates 198.175.65.18 as permitted sender) smtp.mailfrom=dave.hansen@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1710259449; 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=k1ppqgBRuz71ftRgtlBLylLcWhTmokdbZBkjYKxT4sg=; b=cY99FZeSLqK9mnWtILXmSifJHdS/Lx+wVCoX1ldiya8L+LLBlWmButOYSXVaCKGC+r9R3F 9fWTb95AesYGs0IYpoSDdTdyLttDQibncucO2jFE+T2SBxKljSG8IaLmJKk3LAc3ijsTxw 1jgF/aqYIisPjGeZtJJXvqlM79l0Imo= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=J77M5DSU; spf=pass (imf25.hostedemail.com: domain of dave.hansen@intel.com designates 198.175.65.18 as permitted sender) smtp.mailfrom=dave.hansen@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1710259449; a=rsa-sha256; cv=none; b=t0gk4TK+Ol211Gc8/+gGh04/WEt6LeWAtMLG4QsMsD5JG7WAMumb2eU6m9o0AAz/qNFrQ0 035RDR4D2Mp2I5yEn6NMLZFc37YGXibEY02pABwpgNQrPMoRE5zltQHw65tKc2zGl6Ke1M Y3XcYMLGe0x15wkRVzTjBzdkbSL8g6o= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1710259449; x=1741795449; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=6sO77vCvWoeVtsWPlvpDtdps8Tz41TSMgtiUtawdbzk=; b=J77M5DSUkANkDQ40hmk1KedpYsyJ86jUkDkNhTQ1Fs1hgr6a+YmbNTLM RP/Vmz5ShS41bGYep2d0mrIiSen1YCBgvRjEfDMxN+YmuQgGe1SrSAoaj WAfbODryEBVYuSACZzS0KcmwZ0zQzl8bEPh6bwbbShuHUNk71SzeBannl /VPhtAg38qztbuxSZrr4NfErd+rhjDwKTnyxoS9zp3uJ6JlrpO28Lwz/E Cygn7ki0khz0Ivt1wkZtq71TP6M8wkp8Vimp1g6UdIW7zW7s5iixJUyDC ZvErp/Pfhj2aUT7LxvpihumrIkpO8QBG7aSMnjFfUiYVy/+PJidEb9jrv g==; X-IronPort-AV: E=McAfee;i="6600,9927,11011"; a="5105852" X-IronPort-AV: E=Sophos;i="6.07,119,1708416000"; d="scan'208";a="5105852" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2024 09:04:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,119,1708416000"; d="scan'208";a="11498413" Received: from dkhadka-mobl.amr.corp.intel.com (HELO [10.251.7.249]) ([10.251.7.249]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2024 09:04:06 -0700 Message-ID: Date: Tue, 12 Mar 2024 09:04:06 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/3] x86/mm: Use IPIs to synchronize LAM enablement Content-Language: en-US To: Yosry Ahmed , x86@kernel.org Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra , "Kirill A. Shutemov" , Rick Edgecombe , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Steven Rostedt References: <20240312155641.4003683-1-yosryahmed@google.com> 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: <20240312155641.4003683-1-yosryahmed@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 25757A002A X-Rspam-User: X-Stat-Signature: 61xi47jtjgg8s3a7m6cob9d6ubgpbmf5 X-Rspamd-Server: rspam01 X-HE-Tag: 1710259448-929468 X-HE-Meta: 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 1070HS2E 7fdmYCjJ/uXDlELeuO5UK2qAPrOMbNpSfZAhOxXuvGQYXhLVXpWrujDdd3khQlDLiUqZuriHxdVW508MBv3c6YdB+kFohYM3TY4lhc6+kS0X3ElSuVJzE049WcrVhU3k8dzo+RYQFnJ6uvRz7sIc7I8gxIcNy/q2EATM3NeodauOkLlrv4Pbj6/Clxw== 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: Yosry, Could you please slow down a bit on these? Us lazy west coast Americans are barely a cup of coffee into our day. We haven't even had a chance to read v1. Once a week is about the right cadence to be sending these. Every 12 hours is more than my poor inbox can take! :)