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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2C476C79FBF for ; Wed, 9 Sep 2026 11:08:23 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DB6056B0093; Wed, 9 Sep 2026 07:08:22 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D8E3E6B0095; Wed, 9 Sep 2026 07:08:22 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CCC436B0096; Wed, 9 Sep 2026 07:08:22 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id A03DD6B0093 for ; Wed, 9 Sep 2026 07:08:22 -0400 (EDT) Received: from smtpin05.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 2420BA3AFE for ; Wed, 9 Sep 2026 11:08:20 +0000 (UTC) X-FDA: 85193949960.05.F252FB9 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf08.hostedemail.com (Postfix) with ESMTP id 8D86E160002 for ; Wed, 9 Sep 2026 11:08:18 +0000 (UTC) Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=QaTpJ5ov; spf=pass (imf08.hostedemail.com: domain of ljs@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=ljs@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1788952098; 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:dkim-signature; bh=n4mPQZ86gp5FDwQ4tHqlyfsOtYqdqNDLvVyVaC4A/Fo=; b=M5f8tkqoLYKx1ESD8LIytWRL5OYyQFdLolFZlmfHZXjq8HOq6bsV8myJarI0VrDqFLya6B xAxWi7dSHEuPRrX1bCqrGvX0LoyS1RmT0NoMldvZxs/ElGAdcuQHZaKg5PB+wIVQpsrabY B/sFL+jAQlHtLQTgFWBSbAjJpUsUJ/k= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1788952098; b=yHitUqL5InRlV5dPt/M6lgu4aJkZOdBpX5vvYGr5osElzmli1xl9KZbh67+3fB2H8H4Rcx efbYqih7ANQDhDGtDP0lIUmmP7m4Q0HxMhEPuakdBqtEDOAA2djM09dwzIIR7Z9qFCBxBE O7vX7G/by/4Ho2LhB/ioj5Tby/SJIrU= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=QaTpJ5ov; spf=pass (imf08.hostedemail.com: domain of ljs@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=ljs@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 5B6D7601FD; Wed, 9 Sep 2026 11:08:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4F9D1F00AC4; Wed, 9 Sep 2026 11:07:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788952097; bh=n4mPQZ86gp5FDwQ4tHqlyfsOtYqdqNDLvVyVaC4A/Fo=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=QaTpJ5ovoTiEG+gXq4D4QRjJgrK/QkDaAvE4t9yf2p1CDXfWR+kPkM4RvUM0qdfPJ YQ3u5ytOfaVK2InZ/CGWXhSaMh2xZGgB5cMzAuvnJWAkL0XnASM+7IEN4Mh5mQR/v/ 23xVaM73u8uzFcGxU4t1Ngaq+BDhm428o54Sxl6mcGruZx3hwkdRUas8xhLW+8np6o 1FCSepWEU5Qtr1gN3/1lPqwwWSfxlmy6GHgFq4rT9aBoF8CazzfpBWEzsvaBIQ/txk czLEOp1wjtukmiYmMeK+KJpQGgy7iNAEV7FZIokob8wTGUUDEcjvf9Oxi9V03vXvLr Iqy39qtZl8jxA== Date: Wed, 9 Sep 2026 12:07:52 +0100 From: "Lorenzo Stoakes (ARM)" To: Kiryl Shutsemau Cc: Andrew Morton , David Hildenbrand , Zi Yan , Baolin Wang , "Liam R. Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Usama Arif , Guo Ren , Brian Cain , Geert Uytterhoeven , Dinh Nguyen , Simon Schuster , Jonas Bonn , Stefan Kristiansson , Stafford Horne , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Russell King , Vineet Gupta , Michal Simek , Chris Zankel , Max Filippov , Will Deacon , "Aneesh Kumar K.V" , Nick Piggin , Peter Zijlstra , "David S. Miller" , Andreas Larsson , Richard Henderson , Matt Turner , Magnus Lindholm , Catalin Marinas , Mark Rutland , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Madhavan Srinivasan , Michael Ellerman , "Christophe Leroy (CS GROUP)" , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Richard Weinberger , Anton Ivanov , Johannes Berg , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Arnd Bergmann , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jason Gunthorpe , John Hubbard , Peter Xu , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-openrisc@vger.kernel.org, linux-sh@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-snps-arc@lists.infradead.org, linux-arch@vger.kernel.org, sparclinux@vger.kernel.org, linux-alpha@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-um@lists.infradead.org, Hugh Dickins , Qi Zheng Subject: Re: [PATCH v2 00/12] mm: make userland page table freeing RCU-safe Message-ID: References: <20260908-rcu-pagetable-freeing-v2-0-1f60b64e878e@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 8D86E160002 X-Stat-Signature: g4hyfa3o6gp6x83f5pw4emmh8gs5wh1u X-Rspam-User: X-HE-Tag: 1788952098-169762 X-HE-Meta: U2FsdGVkX1+ZQoFfLUW1qty7fSJifVOzR7M+uY0do9jZN2+ydQTbka6fQDHE6dznkKXZC87qI8oB93LQRwHlk7NVQf2nLh8gn1/6Aj+2XTynPvFxPKBmZGiUiVh4gTPCoPFnwL0z9/xtOWsBsgGSuIJ94jMFQSmSpUU48V0DWioXCc6Q7cRWknEGpwT6q/fGhzJ03pAhO448WMvjjNUcc11Cx69LE7Xh4+CvWMloDN+4aJYBEDQowYqvNaR7Zl3YkH72zAeDksW9jZsUU0Yepj7vazIqLiUJKP0wsqtucrkFo+3AIbA3Q2Uqkd5vpEMKsFMv80c37/7TsbbGFBMLqvkHnG+bBJq45rNvGRoFz2iVdNuaZoSSWh55J/IxGs4hwSHl7RC8U81iTj2mmjg5CnynAlUKdCA6QLBiT2lxs30bOQ1bQb/Hc5YX3+WjcHWpSV0U8XhB4jtf466l3RgaDfrT+XNhbQ/CReE89MDus9Y2TQpzOj+J2lG3LDPz0PXQuuEpaGOuxQ+Snx1ZJCyavCFSi4B8Onb4P27An5rvQl9H2ObNElTX/9FDdSHFUxTr7RsNOXftbAowV+qtteOakuxGI/NTA4qTmPgcyWYseL6CLuIrCeJq9PDyPdGgyzR732KTDflJobqB3z+0yH/ytpgqvKrI8ltzB2VeUSI4NonwjOWKld47RAl8ojLRoR1dyJi2zOPAHX647/omm7/IyeeWuNusvT2+IPyMmmkWtVuOWAjtnqXoeH0cXMDz4V/Gs/JtAVYAjPsEKKUrGooFsPedSfJfsFxTXD/McblR1XfsJ/R0VcXrp+yXs6mjD/YcBApdd2ynr/6RIbOiNWaJ17TwCctGGy6MGNck0WU8sbUP/Pt9k0Whw8ssjzvTZc6PsLA4YBEF0MoHUAZD33ZYxF+gHusk3RQgt0mHjekL9sN68JH4ioRYH3bH89AJidii15ss8k5vBNoEAbvwYrC gQW7HaR7 u7PINh4XuFxfZdwfJ7ZLQMArXWByuIjjhIFDU3L58UYWbFYxDSZD3dKe40ThOxhaTKzLLHXf5+5sFOz5UCnEd3Dsn1b7zE6jGmlxHy95x9asOkqKrxzVh9+1dvvBjhP5E2RoxRGNJCZrTph009G8xbxoO3BB5RxgW0FmSsAvMeOXLPRFMWHl6Sqc8IS0wB1gqNjpMXYutK25kYokYelCYqpgH16m3KSIt2LAVTU8zpQmp9WwiKHLsPd6Pzo6PbJnqUMEUe8G6S9ryEf9evfkMGpK7CQjSbfB0iGQhcwzK+ab+O/0CoJVEzKOsy6TCapBRQTRr/qbtiFRmZBl9I34z7NEXk0Ugx7RJAcZ4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Sep 09, 2026 at 10:26:03AM +0100, Kiryl Shutsemau wrote: > On Tue, Sep 08, 2026 at 01:32:09PM +0100, Lorenzo Stoakes (ARM) wrote: > > The majority of architectures in the kernel defer page table freeing until > > an RCU grace period has elapsed, this series converts all remaining > > architectures to do so too and eliminates CONFIG_MMU_GATHER_RCU_TABLE_FREE > > altogether. > > Apart from few nitpicks, the patchset looks good to me: > > Acked-by: Kiryl Shutsemau (Meta) Thanks! :) > > -- > Kiryl Shutsemau / Kirill A. Shutemov -- Cheers, Lorenzo