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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9B26EB64D9 for ; Fri, 7 Jul 2023 05:33:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229538AbjGGFdq (ORCPT ); Fri, 7 Jul 2023 01:33:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229529AbjGGFdq (ORCPT ); Fri, 7 Jul 2023 01:33:46 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 86EBA171D; Thu, 6 Jul 2023 22:33:44 -0700 (PDT) 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 DE846D75; Thu, 6 Jul 2023 22:34:25 -0700 (PDT) Received: from a077893.arm.com (unknown [10.163.48.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 2B8CE3F740; Thu, 6 Jul 2023 22:33:38 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org Cc: Anshuman Khandual , Catalin Marinas , Will Deacon , Ryan Roberts , Mark Rutland , Andrew Morton , David Hildenbrand , Jonathan Corbet , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Subject: [RFC 0/4] arm64/mm: Clean up pte_dirty() state management Date: Fri, 7 Jul 2023 11:03:27 +0530 Message-Id: <20230707053331.510041-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org These pte_dirty() changes make things explicitly clear, while improving the code readability. This optimizes HW dirty state transfer into SW dirty bit. This also adds a new arm64 documentation explaining overall pte dirty state management in detail. This series applies on the latest mainline kernel. Cc: Catalin Marinas Cc: Will Deacon Cc: Ryan Roberts Cc: Mark Rutland Cc: Andrew Morton Cc: David Hildenbrand Cc: Jonathan Corbet Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-doc@vger.kernel.org Anshuman Khandual (4): arm64/mm: Add SW and HW dirty state helpers arm64/mm: Call pte_sw_mkdirty() while preserving the HW dirty state arm64/mm: Add pte_preserve_hw_dirty() docs: arm64: Add help document for pte dirty state management Documentation/arch/arm64/index.rst | 1 + Documentation/arch/arm64/pte-dirty.rst | 95 ++++++++++++++++++++++++++ arch/arm64/include/asm/pgtable.h | 66 ++++++++++++++---- 3 files changed, 147 insertions(+), 15 deletions(-) create mode 100644 Documentation/arch/arm64/pte-dirty.rst -- 2.30.2