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V8ouXGtGQ2ZtYTopFX4ZriYxCryYodGD8Ier/J+MdgFsg9Z8lfVl/h7OVFyYY5TBQC LvCqYqw3qq3fA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 7D5B538003B8; Sun, 1 Nov 2026 22:15:57 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v5 00/12] mm: make userland page table freeing RCU-safe From: patchwork-bot+linux-riscv@kernel.org Message-Id: <179357135604.2624073.12750471724213497880.git-patchwork-notify@kernel.org> Date: Sun, 01 Nov 2026 22:15:56 +0000 References: <20260925-rcu-pagetable-freeing-v5-0-31e91065fea4@kernel.org> In-Reply-To: <20260925-rcu-pagetable-freeing-v5-0-31e91065fea4@kernel.org> To: Lorenzo Stoakes (ARM) Cc: linux-riscv@lists.infradead.org, akpm@linux-foundation.org, david@kernel.org, ziy@nvidia.com, baolin.wang@linux.alibaba.com, liam@infradead.org, nico.pache@linux.dev, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, usama.arif@linux.dev, kas@kernel.org, guoren@kernel.org, bcain@kernel.org, geert@linux-m68k.org, dinguyen@kernel.org, schuster.simon@siemens-energy.com, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, dalias@libc.org, glaubitz@physik.fu-berlin.de, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, linux@armlinux.org.uk, vgupta@kernel.org, monstr@monstr.eu, chris@zankel.net, jcmvbkbc@gmail.com, will@kernel.org, aneesh.kumar@kernel.org, npiggin@gmail.com, peterz@infradead.org, davem@davemloft.net, andreas@gaisler.com, richard.henderson@linaro.org, mattst88@gmail.com, linmag7@gmail.com, catalin.marinas@arm.com, mark.rutland@arm.com, chenhuacai@kernel.org, kernel@xen0n.name, tsbogend@alpha.franken.de, James.Bottomley@HansenPartnership.com, deller@gmx.de, maddy@linux.ibm.com, mpe@ellerman.id.au, chleroy@kernel.org, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, richard@nod.at, anton.ivanov@cambridgegreys.com, johannes@sipsolutions.net, tglx@kernel.org, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, arnd@arndb.de, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, jgg@ziepe.ca, jhubbard@nvidia.com, peterx@redhat.com, ysato@users.sourceforge.jp, shakeel.butt@linux.dev, corbet@lwn.net, rdunlap@infradead.org, 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-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, hughd@google.com, qi.zheng@linux.dev, linux-doc@vger.kernel.org, gerg@linux-m68k.org X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_PASS,SPF_PASS autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hello: This series was applied to riscv/linux.git (fixes) by Andrew Morton : On Fri, 25 Sep 2026 21:09:35 +0100 you 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. > > This is important because it enables safe lockless page table walking under > RCU alone. > > [...] Here is the summary with links: - [v5,01/12] mm/khugepaged: deposit a newly allocated page table on collapse https://git.kernel.org/riscv/c/eb823057e092 - [v5,02/12] mm: enable MMU_GATHER_RCU_TABLE_FREE for most 2-level architectures https://git.kernel.org/riscv/c/d22254fd57f0 - [v5,03/12] mm: enable MMU_GATHER_RCU_TABLE_FREE for MMU riscv https://git.kernel.org/riscv/c/5ae75414416f - [v5,04/12] mm: enable MMU_GATHER_RCU_TABLE_FREE for MMU arm https://git.kernel.org/riscv/c/8e645d98fb78 - [v5,05/12] mm: enable MMU_GATHER_RCU_TABLE_FREE for arc, microblaze, xtensa https://git.kernel.org/riscv/c/799bd3c4be5f - [v5,06/12] mm: enable MMU_GATHER_RCU_TABLE_FREE for sparc64 https://git.kernel.org/riscv/c/461a24a81215 - [v5,07/12] mm: enable MMU_GATHER_RCU_TABLE_FREE for m68k-coldfire https://git.kernel.org/riscv/c/ccdaaf591664 - [v5,08/12] mm: enable MMU_GATHER_RCU_TABLE_FREE for sh-X2 https://git.kernel.org/riscv/c/a72df945113a - [v5,09/12] mm: enable MMU_GATHER_RCU_TABLE_FREE for m68k-motorola https://git.kernel.org/riscv/c/0f5cbeebe00e - [v5,10/12] mm: enable MMU_GATHER_RCU_TABLE_FREE for sparc32 https://git.kernel.org/riscv/c/35dd856770f3 - [v5,11/12] mm: userland pgtable freeing is RCU-safe now, remove leftover bits https://git.kernel.org/riscv/c/35e340a47888 - [v5,12/12] mm: change the contract for free_pgtables(), update docs https://git.kernel.org/riscv/c/a5c0a39d0e57 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html