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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DD028F4198E for ; Wed, 15 Apr 2026 10:32:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/ThJNdtQNnKjDW0KruG9zUrkmNzFcnatkwMSl6uRWxU=; b=RKMborX7RTxs9/lH0a6/Z7ZxT0 y5WoEeK2TA9sSahdqyelZaTyxyO1pyxoav5sYN8cpjdsjyrcFh/bEnxxg2zogubC/sMo9fNTeJTzb V8m5p3GVE9QoAq4z2wBWrddBK5Qn3uxgrxIfN18stk8KAY+N8TiQ9+CUvqwEnbSKD4BYEEDAsz8HY kierBokQNjzz5/XUMVXoXNPagnvYmbNbcFoqo5GE+/Hasq9YJeTE0ajPc1TrVFJJCSyFCnfZYn/j2 OX5Rd0gnWeIritB5qY5QwOL5DzahMMVq8Hz266cG4e4kKuPZ4QbYLqpj1RCTuxB4OQXGcIsP2qibr x8XNTlmQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCxXI-00000000y7J-0hSp; Wed, 15 Apr 2026 10:31:56 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCxXG-00000000y78-2sF1 for linux-arm-kernel@lists.infradead.org; Wed, 15 Apr 2026 10:31:54 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 782D3600AD; Wed, 15 Apr 2026 10:31:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 414CBC19424; Wed, 15 Apr 2026 10:31:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776249113; bh=kgIKspavfXmQAV/aYr7IgFWMpdtrydmrRA6do8GblgU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Bv04nU+GCcvZ0I3TDl+lXX0Umk3HGpaRkK3sLrCS/6z39CxrJ5g5JHaqLf+MXSsPn UCZJ9Ol0nVO5D3jw14aCQFQjwIw2W7iww4c+56t3bwiHxPQlltWm55gY2q2tuOAMyX OKFWme44nfsxF3E2c1Sp/BqPvfyPldNguLC+JoRm1GCygjX5duDvdBx9qIJovnsWSD 7CsoCjtOO0Cax9vZ/9uVFNFfk1zaOguH0tI7/ifkXSEU+1bMTfN0/VOX0Kho+/SveX ZWrbBy71n2q5muP872XbXx9N0lzN7pXxvZ/oqQc8Eo3OJVEabbwUzg7lGnXUWkwsym 4AyXiGf1Lh3tg== Message-ID: <87792b57-8f05-401f-a597-9d7610c629dc@kernel.org> Date: Wed, 15 Apr 2026 12:31:46 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC V1 05/16] arm64/mm: Convert READ_ONCE() as pmdp_get() while accessing PMD To: Anshuman Khandual , linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas , Will Deacon , Ryan Roberts , Mark Rutland , Lorenzo Stoakes , Andrew Morton , Mike Rapoport , Linu Cherian , linux-kernel@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com References: <20260224051153.3150613-1-anshuman.khandual@arm.com> <20260224051153.3150613-6-anshuman.khandual@arm.com> <628a1d9b-cc16-4cf6-8c19-b6ed49af8492@kernel.org> <8a3849cc-e6d3-4932-865f-476a137f891a@arm.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 4/10/26 06:48, Anshuman Khandual wrote: > > > On 08/04/26 5:41 PM, David Hildenbrand (Arm) wrote: >> On 2/24/26 06:11, Anshuman Khandual wrote: >>> Convert all READ_ONCE() based PMD accesses as pmdp_get() instead which will >>> support both D64 and D128 translation regime going forward. >> >> You should mention the move from pmdp_test_and_clear_young(), and why it >> is performed. > > Sure will do that. Actually there as a build problem while accessing > pmdp_get() from pmdp_test_and_clear_young() while being inside the > header which necessitated this move. Could that be resolved while keeping the files in the header? -- Cheers, David