From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 30E75431E74 for ; Mon, 7 Sep 2026 08:06:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788768395; cv=none; b=RDYsNFjfsGUjgwTCCnMfcdd+2NPkN1VOOZtq8JG29CpI6V+CJ/VPq6C/h2wBQkV2sx9MlIym5X1JLbCPqDH99IxVok9pnBpdD6jImf5t5LhmvzDYS7d9VidUq8T0xFbHGlhoSUJzLXxgVkMYT9ytRmY7t9E5mUt3mWOquzYfRxw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788768395; c=relaxed/simple; bh=M02Zz7duqtLH9w5WcLt9dmTeIbG6UdWlqLh0VhnRN2c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lhgrb5Anz0kF+AJUzbmilCoDgwBY0fmazyymx6dOPDTiShpoESFT+4ybPEvZDM4MIEe29A+4OuYb1zn819JxnC1A+TgA4v4Hwaav7NWmwVcHRfF61giMk/blAWfxDuHuORHVZTdTSUapUJ7D4ilAA5wBF2UffZN6p8ad4tDdUtM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=vX9YEFxm; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="vX9YEFxm" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BB1BC1477; Mon, 7 Sep 2026 01:06:29 -0700 (PDT) Received: from e129823.arm.com (e129823.arm.com [10.2.213.3]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 18C753F7D8; Mon, 7 Sep 2026 01:06:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1788768393; bh=M02Zz7duqtLH9w5WcLt9dmTeIbG6UdWlqLh0VhnRN2c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vX9YEFxmN++GHfkO2xxc2HRCAVQZnfcF+y1vVz4p+I67mwn/6aHZjc3V5wQk92028 QjFA4Ff9sydSH7mdW6Ml8i/iDQuE/cqvG/ChPtrzIxW16rDWLljleu6TZ5iGFYY1Y2 dWFeU1IDBLwdUjSKvUI2sIAZ7djSAJVGofJYXeo8= Date: Mon, 7 Sep 2026 09:06:24 +0100 From: Yeoreum Yun To: Dave Hansen Cc: 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 , David Hildenbrand , 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 , 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 Subject: Re: [PATCH RFC v3 13/21] x86: mm: use pgtable_level enum in effective_prot_pXd() Message-ID: References: <20260902-dummy_ptxp3-v3-0-5d8f5b17c25c@arm.com> <20260902-dummy_ptxp3-v3-13-5d8f5b17c25c@arm.com> <8f3979a9-238a-4d7d-a040-6aa526fedec5@intel.com> Precedence: bulk X-Mailing-List: loongarch@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8f3979a9-238a-4d7d-a040-6aa526fedec5@intel.com> On Wed, Sep 02, 2026 at 01:48:03PM -0700, Dave Hansen wrote: > On 9/2/26 04:56, Yeoreum Yun wrote: > > Instead of using hard-coded integer in effective_prot_pXd(), use > > pgtable level enum. > > Does this actually *do* anything? ;) > > I guess it's nice to have a wee bit of type safety from the enum and it > means that you don't have to *know* which level number a PUD is, for > example. > > Either way: > > Acked-by: Dave Hansen Thanks! -- Sincerely, Yeoreum Yun