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 40F3BC4453A for ; Wed, 22 Jul 2026 17:31:17 +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:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=JrwdahO6y5BNOKgAgPsVJarr2lU8HvNoEaNrhS4YDBM=; b=oGACVE8hVggC4T hpd8WlcYMeAShM8C0wkLh3TceJHNMptILaNaZdSMr/5TeM37T8dEPbS3z5TPu0cnUmraaEq8PHXJ0 a4QWszTeqZ27qfqkema/SjvZ9LdmpCOHFR8Hv3DVrorBiI5MZq0XW7Oz8LLSqs/cqOQAgalj6dp5+ RlABgqnPOj4UU9ZwtodA+mrwuOdmC10UZnBGeTdO/XsdTDygq0xC2o34rSqjNBKeCC/+pa3RzeDTD 9DP8zsGwsjtQzbd4EQfcIoTZ/lqBUGLkXUtMhssNATlInaDIu910f7wGat+FGKFSGduHTsVmlXw8m qf1cYUgQy8hpUOBN1T0w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wmamf-0000000CTFV-2KNR; Wed, 22 Jul 2026 17:31:05 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wmamd-0000000CTEp-0INh; Wed, 22 Jul 2026 17:31:04 +0000 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 EC1E21595; Wed, 22 Jul 2026 10:30:57 -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 1CBCB3F66F; Wed, 22 Jul 2026 10:30:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1784741462; bh=24jF6AcUqs8OWEGAaLR69DLBQjR9hO+Rom+3K8DJQKo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=c73DPG7uUV5Fqsc83UkY57n5Qs0XXql23cCXWpZ2ZiqQ+ckAvgZYW4H6Qxd7IuEhg UpaREG+sGAYzR3v9TgE4TzXqEnrXG7rfKfeEIP65qzbz/5t2U9GCOzbaaUSYCknPsU WarfMW9lzNf8oKGScXg68Qq+UBElSke/y8/OuBEw= Date: Wed, 22 Jul 2026 18:30:52 +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-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 v2 00/20] mm: optimize unnecessary loads due to ptep_get() and friends out Message-ID: References: <20260722-dummy_ptxp3-v2-0-d9e4bad31e0a@arm.com> <0143b927-08c5-4e94-ae6e-2a0d7bfe950f@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <0143b927-08c5-4e94-ae6e-2a0d7bfe950f@intel.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260722_103103_598498_855B336C X-CRM114-Status: GOOD ( 12.63 ) 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="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org > One of my nits about v1 was that it didn't really frame the series > precisely. It talks about "optimization" instead of fundamentally > changing the way that the kernel deals with folded page table levels. > > The optimization that this *wants* to talk about kinda falls out of that > refactoring. It's not really the core of the series, IMNHO. > > This series effectively changes the rules about where and how folded > page table levels can be manipulated. In doing that, the door is opened > to optimizing out the unnecessary loads. I see. might the title and the cover letter should be reparsed. Thanks to remind it again :) -- Sincerely, Yeoreum Yun _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv