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 2FECCD1812A for ; Mon, 14 Oct 2024 16:08:38 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A41DD6B007B; Mon, 14 Oct 2024 12:08:37 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9CB536B0083; Mon, 14 Oct 2024 12:08:37 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 844876B0085; Mon, 14 Oct 2024 12:08:37 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 66FE16B007B for ; Mon, 14 Oct 2024 12:08:37 -0400 (EDT) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 603BCA0F71 for ; Mon, 14 Oct 2024 16:08:22 +0000 (UTC) X-FDA: 82672690548.04.5553CE7 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by imf09.hostedemail.com (Postfix) with ESMTP id 239E0140023 for ; Mon, 14 Oct 2024 16:08:28 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=DCQ5ekFJ; spf=pass (imf09.hostedemail.com: domain of dave.hansen@intel.com designates 192.198.163.15 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=1728922042; 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=mTRoVQNH6stzaqIj4D4IloBLU+3vaf2jLG/u6W9GtMI=; b=sP7Q4dL6H6fdy/Kg+yPbbx9XQ/qZEa5GxpOvRtVJKFqE5Lti0h9Ww83SSmsSZhU9K0oMDh y8Aolxx9/KTUXYqg4KlAj3TO7PjiSxyi0U8fC1HiypCNeLFGTYo3FUkBolYHx+Nft5B5ef z0a0Fo+iY5IHXSgCZMjxsOiqzJiW8sE= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=DCQ5ekFJ; spf=pass (imf09.hostedemail.com: domain of dave.hansen@intel.com designates 192.198.163.15 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=1728922042; a=rsa-sha256; cv=none; b=ItDD+on//TsvQq6sxXCqGYn18XlQxWf2iAlFGGWxOuvDwldP1LXhmsm+4GAlIWNTgOCFGK cE2WFk87luZPhYIYh0YoDJcEsUDkWDBbCZLy+Es4NjgYnvus+PKjJ5n1TDAUVmp+Nn71Mc k2z9ZO7RkMCNKU6VXCAwW9w7o5marsE= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1728922114; x=1760458114; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=mTRoVQNH6stzaqIj4D4IloBLU+3vaf2jLG/u6W9GtMI=; b=DCQ5ekFJr84uzkF/FMF2aUi2d4pUGLghLw4TyUgsIcDA4rP+yGevNeFH aXHZ6Tcx/uNsoWcxQocYqy3i0FcYrkcRBpS0bwsJWrWICfTga/wgG6M67 qtwUxutY8SI64PDG/Pn4mqlfi5f/BZHtQVd3//4hqTAeSBlh/0O8WFB/A +rb1RYCj7ixd6CRfNq2wbETWMuE9VAloRBmg+h5Xo69d1wI+g9/lPvrmq LjDA/YSLcVu9139vN9u+WuB5aOjNpxxi0YTcfvt4ha8l5HZL8meWL7Eqr 8w9YeqRb8ijpvdGP4sDdqgKAZM8Bl1Ybz1DcO+GFvtdP60aTmHZiA7/m+ A==; X-CSE-ConnectionGUID: LoCsow7RSwWgqwGcWssaZQ== X-CSE-MsgGUID: Rd70Hvv9SNuAeiS6/VAJZQ== X-IronPort-AV: E=McAfee;i="6700,10204,11224"; a="28408281" X-IronPort-AV: E=Sophos;i="6.11,203,1725346800"; d="scan'208";a="28408281" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2024 09:08:32 -0700 X-CSE-ConnectionGUID: EHBL5JncTMW8lNwo+ZmhZg== X-CSE-MsgGUID: l5mBS8CUQcWF02AeiCIw7A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,203,1725346800"; d="scan'208";a="77720704" Received: from mdroper-mobl2.amr.corp.intel.com (HELO [10.124.220.235]) ([10.124.220.235]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2024 09:08:32 -0700 Message-ID: Date: Mon, 14 Oct 2024 09:08:30 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [linux-next:master] [x86/module] 6661cae1aa: WARNING:at_arch/x86/mm/pat/set_memory.c:#__cpa_process_fault To: Mike Rapoport Cc: kernel test robot , oe-lkp@lists.linux.dev, lkp@intel.com, Linux Memory Management List , Andrew Morton , Andreas Larsson , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Brian Cain , Catalin Marinas , Christophe Leroy , Christoph Hellwig , Dave Hansen , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Kent Overstreet , "Liam R. Howlett" , Luis Chamberlain , Mark Rutland , Masami Hiramatsu , Matt Turner , Max Filippov , Michael Ellerman , Michal Simek , Oleg Nesterov , Palmer Dabbelt , Peter Zijlstra , Richard Weinberger , Russell King , Song Liu , Stafford Horne , Steven Rostedt , Thomas Bogendoerfer , Thomas Gleixner , Uladzislau Rezki , Vineet Gupta , Will Deacon , linux-kernel@vger.kernel.org References: <202410111408.8fe6f604-lkp@intel.com> <73d5a6ed-da3c-448e-8cf8-6abb59cb2c36@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 X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 239E0140023 X-Stat-Signature: qct4551bxdappbo45yndhgt3s4u3gd3f X-HE-Tag: 1728922108-464312 X-HE-Meta: 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 tHvApJKB wLHw7oxaUJDRZj7NKZiUAoHxAiI0j66u255qbXyKDhtmMo8PIRVF4BS3Vo44/CQumkxW5ImjC/vg6FT1ZqUVk4BCRHEY4T0TZWKK6yBIzRi2xW2M3fWd/ynfeLmujKj3W5d2neM3Qhk+pHuad/RhUDaHJFVszOh2eWLiqLT3hEHb7vo0dU8gCwLUXeIr8dqqRP6E7HWdvFTF8qgY2oKAFD8JIGp211aoNHTrFLvw9EE89qa1cpirMKx4iWpw1fSpo6DRu 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 10/14/24 08:44, Mike Rapoport wrote: >> To me, it seems like execmem itself should be excluding all HIGHMEM=y >> builds or _maybe_ all 32-bit builds because execmem has the built-in >> assumption that vmalloc memory is in the direct map. > I presume you mean execmem cache here, as execmem in general should work > everywhere. Yeah, just the new execmem cache code from the new series. > After discussion with Christoph about how to define > execmem_fill_trapping_insns(), I'm going to add a Kconfig opt-in option > that will guard the entire execmem cache implementation and have it > selected by x86_64. Seems fine to me, as long as we're clear in the changelog why it's there.