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 EF536F36BA9 for ; Fri, 10 Apr 2026 04:50:55 +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=+pvQL6DBxdgPUZVp7bF95+XhXSCx213mQ8nPOmWc+k4=; b=of6rHrkxX0Qq6g+BhIiTnOY/ql 3ciIskqrXjgUOQuvqkZxdHNPq3a9MUf2q9HazNuV3NBqZiKc0i3h9uvtMkwPWXjwFl6q7w9Ft+wpm YEWvBXVPZ7N4dj/xYo8Ujbx+LzL4MH9pvOc5WjSbyDy1z36WpdK9gVZBcGHbqOtItLFv4a93pbM5a dLRSpmowwqKtW7jc8whz3v8sPiq+nAHFLXkFqlSN3+Q8mQXip3ekxE2STFVdH8L0mldbKtU6VnQUo viPog6sKuTWfBcA9oTReYhWLMf0yQG+Kd0QPu74d6R9L+rPmKweWjhftudrJvKwNq51fbR1EXYqAE OOSbUDTg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wB3pU-0000000BbZt-2Fzq; Fri, 10 Apr 2026 04:50:52 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wB3pS-0000000BbZY-0kdh for linux-arm-kernel@lists.infradead.org; Fri, 10 Apr 2026 04:50:51 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 69FD72008; Thu, 9 Apr 2026 21:50:42 -0700 (PDT) Received: from [10.163.181.174] (unknown [10.163.181.174]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 088823FAF5; Thu, 9 Apr 2026 21:50:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1775796648; bh=vXofvo1m8OBdJOMnjG/myR5+E0MqcahYsCCk38Vlw9A=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=GZovmfCj6dNyFwOVOI79CkD3FW9Uw+uSnlvictrhFQKqouJTQQ0FHHOD8AstrTPIu rvLZ1fl5GnWdFoPMKMst59k1jcr5ZZlsMyG2I7CkGovwCmZaqx/DpKIKuBgK4yTb6l fZkGjrOSgc9V3KEUiFXZi9FgJnTBf3kxNwuk7Ywc= Message-ID: <6d91c17f-2027-482a-b0b2-98ad258f1687@arm.com> Date: Fri, 10 Apr 2026 10:20:40 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC V1 06/16] arm64/mm: Convert READ_ONCE() as pudp_get() while accessing PUD To: "David Hildenbrand (Arm)" , 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> <20260224051153.3150613-7-anshuman.khandual@arm.com> Content-Language: en-US From: Anshuman Khandual In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260409_215050_295919_3BE7B79C X-CRM114-Status: GOOD ( 10.05 ) 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 08/04/26 5:45 PM, David Hildenbrand (Arm) wrote: > On 2/24/26 06:11, Anshuman Khandual wrote: >> Convert all READ_ONCE() based PUD accesses as pudp_get() instead which will >> support both D64 and D128 translation regime going forward. >> >> Cc: Catalin Marinas >> Cc: Will Deacon >> Cc: Ryan Roberts >> Cc: Mark Rutland >> Cc: linux-arm-kernel@lists.infradead.org >> Cc: linux-kernel@vger.kernel.org >> Cc: kasan-dev@googlegroups.com >> Signed-off-by: Anshuman Khandual >> --- > > I was wondering for a second whether it would be better to structure > this as "convert READ_ONCE to use pxxxp_get() in fault.c" instead, > essentially, to touch each file only once. But will not that create too many patches ? > > Anyhow > > Reviewed-by: David Hildenbrand (Arm) > Thanks !