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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 960DAC433EF for ; Tue, 28 Sep 2021 02:30:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 80742611CE for ; Tue, 28 Sep 2021 02:30:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238724AbhI1Ccc (ORCPT ); Mon, 27 Sep 2021 22:32:32 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:13342 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238655AbhI1Cca (ORCPT ); Mon, 27 Sep 2021 22:32:30 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4HJNfY4R8jz8ywv; Tue, 28 Sep 2021 10:26:13 +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 15.1.2308.8; Tue, 28 Sep 2021 10:30:41 +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 15.1.2308.8; Tue, 28 Sep 2021 10:30:40 +0800 Subject: Re: [PATCH -next v3 0/3] riscv: Fix two vdso issue To: Liu Shixin , Paul Walmsley , Palmer Dabbelt , "Palmer Dabbelt" , Albert Ou , References: <20210901024621.2528797-1-tongtiangen@huawei.com> <935c5e32-8df2-670d-da33-869e6dce4917@huawei.com> CC: , From: tongtiangen Message-ID: <380ef41e-bba7-1f7b-5e0c-08690cef13eb@huawei.com> Date: Tue, 28 Sep 2021 10:30:39 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: <935c5e32-8df2-670d-da33-869e6dce4917@huawei.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.179.234] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) 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 kindly ping. On 2021/9/28 10:19, Liu Shixin wrote: > On 2021/9/1 10:46, Tong Tiangen wrote: >> v3->v2: >> Adapt to the latest code. >> >> v2->v1: >> Add patch "Refactor asm/vdso.h" to avoid vdso.lds syntax error if >> CONFIG_GENERIC_TIME_VSYSCALL=n. >> >> 1) Move vdso data page up front and introduce enum vvar_pages, This makes it >> easier to introduce new feature TIME_NS. >> >> 2) In arch_setup_additional_pages(), make Wait for the lock in the killable mode >> and return with EINTR if the task got killed while waiting. >> >> Tong Tiangen (3): >> riscv/vdso: Refactor asm/vdso.h >> riscv/vdso: Move vdso data page up front >> riscv/vdso: make arch_setup_additional_pages wait for mmap_sem for >> write killable >> >> arch/riscv/include/asm/syscall.h | 1 + >> arch/riscv/include/asm/vdso.h | 15 ++++----- >> arch/riscv/kernel/syscall_table.c | 1 - >> arch/riscv/kernel/vdso.c | 53 +++++++++++++++++++------------ >> arch/riscv/kernel/vdso/vdso.lds.S | 3 +- >> 5 files changed, 42 insertions(+), 31 deletions(-) >> > > Test-by: Liu Shixin > . >