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 X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6751C4338F for ; Sat, 31 Jul 2021 06:42:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CCA626103B for ; Sat, 31 Jul 2021 06:42:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236977AbhGaGmy (ORCPT ); Sat, 31 Jul 2021 02:42:54 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:13218 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232079AbhGaGmx (ORCPT ); Sat, 31 Jul 2021 02:42:53 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.53]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4GcF0t1VP7z1CQwP; Sat, 31 Jul 2021 14:36:46 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 31 Jul 2021 14:42:45 +0800 Received: from [10.174.177.243] (10.174.177.243) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sat, 31 Jul 2021 14:42:45 +0800 Subject: Re: [PATCH v3 0/6] ARM: mm: cleanup page fault and fix pxn process issue To: Russell King , CC: Catalin Marinas , , Andrew Morton , Jungseung Lee , Will Deacon References: <20210610123556.171328-1-wangkefeng.wang@huawei.com> From: Kefeng Wang Message-ID: Date: Sat, 31 Jul 2021 14:42:44 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20210610123556.171328-1-wangkefeng.wang@huawei.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/6/10 20:35, Kefeng Wang wrote: > The patchset cleanup ARM page fault handle to improve readability, > fix the page table entries printing and fix infinite loop in the > page fault handler when user code execution with privilege mode if > ARM_LPAE enabled. Hi  Russell， I make some changes according your advise, could you give me some comments about this patchset, I want to make sure that whether they can be sent to  the ARM patch system,  many thanks. > v3: > - drop the fix about page table printing > - kill page table base print instead of printing the physical address > - only die when permission fault both kernel-mode and user code execution > with privilege mode > - drop LPAE specific >