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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C5936C79FBF for ; Thu, 10 Sep 2026 15:30:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OnsCvEXDyOVxWmocvVsXgHcVDATtdvzjNttAe8f2PEw=; b=Bjf8twAEl/bubk uJ04QXml5YnvwxdhTSIYUFhRkNkR6elL7Dl8xo7eh23+Js23iRvcA+Mk8jDaD/pHshHJofL0uY1DJ yM4gkTHmNd6NBElocin1yODPDFvYgk+cPXO5DM/t3//zP/LK/pw+EqxmHdYGEx7iBuIpiMP3fTB2e bwTamAU0vRXucVWpjiKESdzuEbLxCP3tMA2TLoyUuU5gSpxw2RzmtPqAUx8RRLZK3oIrMoax7hUCf Yht1O00CWOVoP2rxmTtIInnOgdcCYrMrlRD+Tm2sNdsNpYWvu+7kHuBQq02PbrICqd8TyUqWng3Lj uw3roVKWh+PQ0RfNQSlg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x4gij-0000000EnQy-2oJY; Thu, 10 Sep 2026 15:29:49 +0000 Received: from mgamail.intel.com ([198.175.65.10]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x4gig-0000000EnQC-2MI0; Thu, 10 Sep 2026 15:29:47 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789054186; x=1820590186; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=SFcUASuvlDRtE2C4hK5s4ZmzjFE6/W3nNqwA+OR44zY=; b=k2egxiLIxOiBR9RNUCG9keDbzF7F1l5fuFxQ3z3Z02qJkD4/wOzYyzku KCm/TqJ+AEiK6ScBJNIzBUv/BSh4UBUp2cS53bU7Z38CQ4Wz+cq+s5Qwc w14kqgDTHecTdD1fq5KczfU2BOY8Zh7BHbJ0UEsZ9aU+EhGOWnZBgtG5Z DvpzYCdr6LJ0QNkHSx+uApj7858h1a0mIsONcQ7g6GonCPKRH/CxjGYXd Tzc6nKpZRar23SUeTAZ8tWwEMceS0nKPoNWSf3+UEglKhq6gAupw5ijm4 hZLDkkCz/vcOFftFKz3I1737Qq7JzPoZGJkzaQl7PlItzUG0lPEUKIRei w==; X-CSE-ConnectionGUID: 6eiEuW8RSpq4s3Br3A91Sg== X-CSE-MsgGUID: UXhc4BAiSe6z+Z2pFAPXmA== X-IronPort-AV: E=McAfee;i="6800,10657,11901"; a="106875859" X-IronPort-AV: E=Sophos;i="6.27,95,1787036400"; d="scan'208";a="106875859" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Sep 2026 08:29:45 -0700 X-CSE-ConnectionGUID: 8Dukv6vfSb2j1KuCmCzgkg== X-CSE-MsgGUID: XenJd8NISqWyB5sRR4Bqeg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,95,1787036400"; d="scan'208";a="270317323" Received: from ssimmeri-mobl2.amr.corp.intel.com (HELO [10.125.111.208]) ([10.125.111.208]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Sep 2026 08:29:43 -0700 Message-ID: Date: Thu, 10 Sep 2026 08:29:39 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC v3 13/21] x86: mm: use pgtable_level enum in effective_prot_pXd() To: "David Hildenbrand (Arm)" , Yeoreum Yun , Russell King , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Catalin Marinas , Will Deacon , Arnd Bergmann , Andrew Morton , Kairui Song , Qi Zheng , Shakeel Butt , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Johannes Weiner , Michal Hocko , Lorenzo Stoakes , Tianrui Zhao , Bibo Mao , Anup Patel , Atish Patra , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonas Bonn , Stefan Kristiansson , Stafford Horne Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-openrisc@vger.kernel.org References: <20260902-dummy_ptxp3-v3-0-5d8f5b17c25c@arm.com> <20260902-dummy_ptxp3-v3-13-5d8f5b17c25c@arm.com> <8f3979a9-238a-4d7d-a040-6aa526fedec5@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: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260910_082946_643532_F56BD580 X-CRM114-Status: GOOD ( 11.99 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gOS8xMC8yNiAwNDowMiwgRGF2aWQgSGlsZGVuYnJhbmQgKEFybSkgd3JvdGU6Cj4gT24gOS8y LzI2IDIyOjQ4LCBEYXZlIEhhbnNlbiB3cm90ZToKPj4gT24gOS8yLzI2IDA0OjU2LCBZZW9yZXVt IFl1biB3cm90ZToKPj4+IEluc3RlYWQgb2YgdXNpbmcgaGFyZC1jb2RlZCBpbnRlZ2VyIGluIGVm ZmVjdGl2ZV9wcm90X3BYZCgpLCB1c2UKPj4+IHBndGFibGUgbGV2ZWwgZW51bS4KPj4gRG9lcyB0 aGlzIGFjdHVhbGx5ICpkbyogYW55dGhpbmc/IPCfmIkKPj4KPj4gSSBndWVzcyBpdCdzIG5pY2Ug dG8gaGF2ZSBhIHdlZSBiaXQgb2YgdHlwZSBzYWZldHkgZnJvbSB0aGUgZW51bSBhbmQgaXQKPj4g bWVhbnMgdGhhdCB5b3UgZG9uJ3QgaGF2ZSB0byAqa25vdyogd2hpY2ggbGV2ZWwgbnVtYmVyIGEg UFVEIGlzLCBmb3IKPj4gZXhhbXBsZS4KPiBUaGUgbmV4dCBwYXRjaCBwYXNzZXMgdGhlIHZhbHVl IHRvIG1tX2ZpcnN0X3BndGFibGVfbGV2ZWwoKS4gTm90IHN1cmUgd2hhdCB4ODYncwo+IHByZWZl cmVuY2UgaXMgdG8gc3BlbGwgc29tZXRoaW5nIGxpa2UgdGhhdCBvdXQgaW4gdGhlIHBhdGNoIGRl c2NyaXB0aW9uLgo+IAo+ICJQcmVwYXJlIGZvciBmdXR1cmUgY29kZSBjaGFuZ2VzIHRoYXQgd2ls bCBjb25zdW1lIHRoZSBnZW5lcmljIGVudW0KPiBwZ3RhYmxlX2xldmVsIGZyb20gaW5zaWRlIGVm ZmVjdGl2ZV9wcm90KCkuIgoKWWVzLCBhIGxpdHRsZSAicHJlcGFyZSIgYmxvYiB3b3VsZCBiZSBn cmVhdC4KCk1heWJlIGV2ZW4gZXhwbGFpbiB0aGF0IGdlbmVyaWMgbW0gY29kZSB1c2VzIHN5bWJv bGljIG5hbWVzIGZvciB0aGUgcGFnZQp0YWJsZSBsZXZlbHMsIG5vdCBpbnRlZ2VycyBhbmQgdGhp cyBtYWtlcyB0aGUgaGVscGVyIHVzYWJsZSBpbiB0aGlzIHg4Ngpjb2RlLgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBs aXN0CmxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVh ZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo=