From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E7E781A6820; Wed, 9 Sep 2026 09:26:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788945988; cv=none; b=RRrbPlpzcta0AHsWtDMJYNY4e94suO5sRijh2zH539V2FZhGmFnPopSojKlBvaeEt9YCaiGCyItdGu1DrNdKGZX5sXN5CQwF47lkIyuvsWkLtKj6rw20LlIYGK2Nm6dkxbLRoQlRav+aGAP+QGuledeizp6bwML8WJYn/uI1KuQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788945988; c=relaxed/simple; bh=fhRW1Nkf1F9Csk2E+a6kMGis7XrVq47cBvJX8sbwh2A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=e/6OjlAj9r41il7/8Rlr9UU3q7WJF8wY3n3c8jWDsHh0iGYG9tqW+LwxZIPn8ZcOWI+KzrFDwNZfuB4bAkKR3Z51U87f+g+ZP558E2M+1+sI0dPT+J4FVa1ThD9e+fbYYub7fgSqYk2arLn/WrTYtwzVam5E+KZM+OaI4nE3yTY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=D5QHzY8z; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="D5QHzY8z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2FB7B1F00A3D; Wed, 9 Sep 2026 09:26:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788945986; bh=YX/JSkYghr9nrINIMWcFmmh29g3GmX1nU9kCwJO/qRo=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=D5QHzY8zxVSrWlON2fnQhU2DQoZchub7p168QA6c6jIVWyTY9Mf9ENGtTN7i+08d9 gFA8Gt7Z2R1tK10L2hCQcw9m4+W3tNW1ot14z1klVtv9eJKgN/ky5sl2qTSXROUyso 7tyisRlE9LRjc7cTFBYCs/7SsyG+bBOp5ko3lbxfFuf5bxfGt3N0fLFVvI33lNUuZ9 FHgSdjika+pdNaliIkODWk8n1BeXKjt6nOF2NnyXwnQ/3CjYBWeag+s0g+EVigT1Pw 4y/+QF9E3OHZqslWLleDQ9UTCFNl1PR5BHfVilkGOr4YRN6UYFsslyr7P935XeBajk eZGfigDrtM8WA== Received: from phl-compute-03.internal (phl-compute-03.internal [10.202.2.43]) by mailfauth.ams.internal (Postfix) with ESMTP id 36DE6198003A; Wed, 9 Sep 2026 05:26:06 -0400 (EDT) Received: from phl-frontend-04 ([10.202.2.163]) by phl-compute-03.internal (MEProxy); Wed, 09 Sep 2026 05:26:20 -0400 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: dmFkZTG4Xf5HQCh02zpqVvbKCxDxzvOSSyHgHOP3uMLvoamU0KCtlJg5G7fmz9Cf9LwJ4+ u43d35HyzgT45XS4YAKZHukESCUbAy6ZShLloStMpjHT/y6x5XvWA6PxDLOyWt9+ikMKjc zETlWFHuSZ8ORVsn+jAlUAvv2EBzWWsscPi4QFgDlrLa3yw68FIjtTKVaZqM0eJSg/GuFG PATxH5LCPqzMkEKCwvoxWevBpaE5KCPic5zvLKY5EIapHD6v0GUJQwsC7esq16fDb0nPXf 16/0Hsa4P7Gc/AUvOZ0A8A9rcDB4OFqVFmJGna/qdlpcowZ2nVhVucQOP/2UhdOWkjcsJG bn5bMQWMV42DveAl7CVcZkwPb5GLbvc1Cf0IzGc9irZASBEiK3FCaxRyq1M73CWs3bmbiy ff8K3sgP/N5TIqIlCpWMeIHRSWHEI6dt3xf82VJDupYGSlhNmr9yqFk6w/2dorxNJoWXbf YgPEiAWDmBrJh7NfpaNcz3nd9MaiqYGNbDW6RIkrAkS9QWCGiiWtJzvkou0Tm89GVe3kCZ 2dXCb88A9l1toZ6Oe2eQbItaBH+l/shJecWdB3aE/wGnes1LHEntmse3E+X5e88WLWEJXk LTYzE9igbNTFH2Vdd7kfG0gwnEhXZFP9DLJvxDWPIoXNnK4NDvajy5q5fhuA X-ME-Proxy: Feedback-ID: i10464835:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 9 Sep 2026 05:26:03 -0400 (EDT) Date: Wed, 9 Sep 2026 10:26:03 +0100 From: Kiryl Shutsemau To: "Lorenzo Stoakes (ARM)" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260908-rcu-pagetable-freeing-v2-0-1f60b64e878e@kernel.org> 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) -- Kiryl Shutsemau / Kirill A. Shutemov