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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham 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 679C0C4338F for ; Thu, 19 Aug 2021 02:58:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4C544610A5 for ; Thu, 19 Aug 2021 02:58:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235838AbhHSC6h (ORCPT ); Wed, 18 Aug 2021 22:58:37 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:17043 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235920AbhHSC6f (ORCPT ); Wed, 18 Aug 2021 22:58:35 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Gqq9J4l2HzbfM1; Thu, 19 Aug 2021 10:54:12 +0800 (CST) Received: from dggpemm000001.china.huawei.com (7.185.36.245) 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; Thu, 19 Aug 2021 10:57:44 +0800 Received: from localhost.localdomain (10.175.112.125) by dggpemm000001.china.huawei.com (7.185.36.245) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 19 Aug 2021 10:57:44 +0800 From: Tong Tiangen To: Paul Walmsley , Palmer Dabbelt , Palmer Dabbelt , Albert Ou CC: , , "Tong Tiangen" Subject: [PATCH -next 0/2] riscv: Fix two vdso issue Date: Thu, 19 Aug 2021 03:06:48 +0000 Message-ID: <20210819030650.716478-1-tongtiangen@huawei.com> X-Mailer: git-send-email 2.18.0.huawei.25 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggpemm000001.china.huawei.com (7.185.36.245) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 1) Move vdso data page up front and introduce enum vvar_pages, To pave the way for the subsequent support of TIME_NS, the support of TIME_NS will be issued in the later patch. 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 (2): 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 | 2 ++ arch/riscv/include/asm/vdso.h | 4 +-- arch/riscv/kernel/vdso.c | 51 ++++++++++++++++++------------- arch/riscv/kernel/vdso/vdso.lds.S | 3 +- 4 files changed, 36 insertions(+), 24 deletions(-) -- 2.18.0.huawei.25