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 E5B9FC4829E for ; Thu, 15 Feb 2024 11:36:33 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 57ECB8D000E; Thu, 15 Feb 2024 06:36:33 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 52F5E8D0001; Thu, 15 Feb 2024 06:36:33 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 41DDB8D000E; Thu, 15 Feb 2024 06:36:33 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 33C258D0001 for ; Thu, 15 Feb 2024 06:36:33 -0500 (EST) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id D89F416102B for ; Thu, 15 Feb 2024 11:36:32 +0000 (UTC) X-FDA: 81793835424.05.DDA4E72 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf29.hostedemail.com (Postfix) with ESMTP id 15C08120022 for ; Thu, 15 Feb 2024 11:36:30 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf29.hostedemail.com: domain of mark.rutland@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=mark.rutland@arm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1707996991; 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: in-reply-to:in-reply-to:references:references; bh=3pvfy3uIEZ6PQ67i2BgHZnNNyBAMHpp1f5+8kiaOBMs=; b=wSh9y8IWHWDFkvVKFvsgOcA2KE9yLiBwxpuUZGR/5azcODq6NSco5Ow2sFm4Kzwpgq1mqt aOVRywSZ22YQfmOeq7CUKcxbTeIhgZ89Po65crkTP0YEIZPmkLa3nFQChLIXZgyao2ei5O A0QL7l2Qmcl/k3Y5d5Z1UPfEFZ4wcDQ= ARC-Authentication-Results: i=1; imf29.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf29.hostedemail.com: domain of mark.rutland@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=mark.rutland@arm.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1707996991; a=rsa-sha256; cv=none; b=VZMe6X5b2MkjvsLVvOQMV4e9dY8L0Fy9g6cqepnBTJL4Do2EZ8sOe+YLTunEymjdX7Zy0C 3EUtGInOQQlEwOMNhoZUB/bq7P5C1JRXwT8bv722fw67bIuhaJkhB7BdtUA+7ftU31rhUU Rj295ig41c9s46GdmOA0PC1GnUj5T9E= 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 E7C991FB; Thu, 15 Feb 2024 03:37:10 -0800 (PST) Received: from FVFF77S0Q05N (unknown [10.57.68.11]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6408F3F7B4; Thu, 15 Feb 2024 03:36:26 -0800 (PST) Date: Thu, 15 Feb 2024 11:36:23 +0000 From: Mark Rutland To: Ryan Roberts Cc: Catalin Marinas , Will Deacon , Ard Biesheuvel , Marc Zyngier , James Morse , Andrey Ryabinin , Andrew Morton , Matthew Wilcox , David Hildenbrand , Kefeng Wang , John Hubbard , Zi Yan , Barry Song <21cnbao@gmail.com>, Alistair Popple , Yang Shi , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , linux-arm-kernel@lists.infradead.org, x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 00/18] Transparent Contiguous PTEs for User Mappings Message-ID: References: <20240215103205.2607016-1-ryan.roberts@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240215103205.2607016-1-ryan.roberts@arm.com> X-Rspamd-Queue-Id: 15C08120022 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: a3ttbk1wodqnx5spfd9nbh9hksq9173g X-HE-Tag: 1707996990-1795 X-HE-Meta: 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 054nkyOE XVIw6i3AVdMsYtfvLkA5JCAW8ZtQw27285Z316ibYosTIQxaTJEJAF7dqzWPuUExzUN0w+wE1bicHB57UfTu9LVq6IL8Z8xVyCkyDR7JxVHBLd2vCKji7ACpTmx/uMIqrmEXYopCVF0lcTri2LieOQ3VaJX0/7iASaWFEE6gjHb72gTbJl7nZ/nkM2MT/mtiomO00C5euVdVoH0sDG0ehwmv4lDLaQCqCoJNwO6nnT32Ohsw= 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 Thu, Feb 15, 2024 at 10:31:47AM +0000, Ryan Roberts wrote: > Hi All, > > This is a series to opportunistically and transparently use contpte mappings > (set the contiguous bit in ptes) for user memory when those mappings meet the > requirements. The change benefits arm64, but there is some (very) minor > refactoring for x86 to enable its integration with core-mm. I've looked over each of the arm64-specific patches, and those all seem good to me. I've thrown my local Syzkaller instance at the series, and I'll shout if that hits anything that's not clearly a latent issue prior to this series. The other bits also look good to me, so FWIW, for the series as a whole: Acked-by: Mark Rutland Mark.