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 74859C00140 for ; Wed, 24 Aug 2022 06:32:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235026AbiHXGc2 (ORCPT ); Wed, 24 Aug 2022 02:32:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234026AbiHXGc0 (ORCPT ); Wed, 24 Aug 2022 02:32:26 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A036D7E83C for ; Tue, 23 Aug 2022 23:32:24 -0700 (PDT) Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4MCGSL05SyzGpmK; Wed, 24 Aug 2022 14:30:42 +0800 (CST) Received: from kwepemm600017.china.huawei.com (7.193.23.234) 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 15.1.2375.24; Wed, 24 Aug 2022 14:31:50 +0800 Received: from [10.174.179.234] (10.174.179.234) by kwepemm600017.china.huawei.com (7.193.23.234) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 24 Aug 2022 14:31:49 +0800 Message-ID: <4063da85-b110-4afd-2023-59d4da41c27f@huawei.com> Date: Wed, 24 Aug 2022 14:31:48 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [PATCH -next v2 0/2]riscv: some refactorings realted to uaccess and extable To: Paul Walmsley , Palmer Dabbelt , Palmer Dabbelt , Albert Ou , CC: , , , Guohanjun References: <20220815032025.2685516-1-tongtiangen@huawei.com> From: Tong Tiangen In-Reply-To: <20220815032025.2685516-1-tongtiangen@huawei.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.174.179.234] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600017.china.huawei.com (7.193.23.234) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi riscv maintainers, kindly ping... Thanks, Tong. 在 2022/8/15 11:20, Tong Tiangen 写道: > This patchset do some refactorings related to riscv's uaccess and extable, > mainly for the usage of __get/put_user_nocheck() which not distinguish user > access and kernel access. > > v1 -> v2: > According to Conor's suggestion, split into two logically independent > patches. > > Tong Tiangen (2): > riscv: uaccess: rename __get/put_user_nocheck to __get/put_mem_nocheck > riscv: extable: add new extable type EX_TYPE_KACCESS_ERR_ZERO support > > arch/riscv/include/asm/asm-extable.h | 12 ++ > arch/riscv/include/asm/uaccess.h | 162 +++++++++++++-------------- > arch/riscv/mm/extable.c | 1 + > 3 files changed, 94 insertions(+), 81 deletions(-) >