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charset="utf-8" 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, 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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