Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp1181066pxb; Thu, 21 Oct 2021 17:48:03 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwE1GQEal0JuzL5p44h+hxoondF970+zESgv72wrVxF68xEnJjKympTMFaiZ82D4mlG/A29 X-Received: by 2002:a17:90b:1049:: with SMTP id gq9mr10596183pjb.180.1634863683465; Thu, 21 Oct 2021 17:48:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1634863683; cv=none; d=google.com; s=arc-20160816; b=Pa8Y8K2X3HvaT5pMCazz7Q7M9HTXbK/XruoOqFutgzduIfjxfBIGqg+fE0TPEK/O+K DHOr3db9grtRS9FxG3pWrF/G66AfrgYwvuoSJyQqMZCjGfhUKd3tmvjOTsAt2sLuwP1x mObgNQxfN+FJKrfw090uAjLoXzDs/3bRI1mLvftV9A3bcyahVAL5GfrH+tdO2Q+2uMK8 CX8B91HYDu/CF7DPe9GfiYcVCHfm87kw3FRooxzdbKWcnu+y8XLZ9m38/OyE9/UPK0TS gdatQz8NLB1EQLYb/14TAfHgmBTPFelBscIdCJxr+JraEpMMAjGKu2dRYE+ur79lT+rA kLcA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id; bh=hjJMt1We/banGygbJYyfe8rANKDRP/25GaG7e+AAK6Y=; b=k60Q4i57QsBItEgP1D4d567KykHBKqq+QU+E4gfvr2I8ta8+66/OsT++W5MycDm8VN 5H+WU6fngOUVnjf+eHF4m73zopgBXezxjnRofabtpUk0mNB3+mVJVD2CFdEZBSWaTe7B Way7P21P6a3rylSxcDbGsZMSlTOpVETKz6yK2S/pKOjpba0ffdBFtGDWTZLeGPQKvHgI Ts2SQROFc/1UCimwWRXghCofuOQ0lKvlr1nUitMfqsIkW9liEGbreWLVBna5sGzXDrg6 Nt3tx6t86d8KhSJu64jFRzSYNQv/kryqxTRt0E8JEP14Tuhzb+fSelwPIs+LRfFEVJha US3A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u13si9424077pgq.333.2021.10.21.17.47.50; Thu, 21 Oct 2021 17:48:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231755AbhJVAtM (ORCPT + 99 others); Thu, 21 Oct 2021 20:49:12 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:29925 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229512AbhJVAtL (ORCPT ); Thu, 21 Oct 2021 20:49:11 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Hb5CZ1Scjzbn85; Fri, 22 Oct 2021 08:42:18 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.15; Fri, 22 Oct 2021 08:46:52 +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_CBC_SHA256) id 15.1.2308.15; Fri, 22 Oct 2021 08:46:52 +0800 Message-ID: <7a68d7b8-7c16-3646-c191-e28d46fe2e53@huawei.com> Date: Fri, 22 Oct 2021 08:46:51 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [PATCH v3 0/2] riscv: switch to relative extable Content-Language: en-US To: Jisheng Zhang , Paul Walmsley , Palmer Dabbelt , Albert Ou , Masahiro Yamada , Michal Marek , Nick Desaulniers CC: , , References: <20211022001957.1eba8f04@xhacker> From: Kefeng Wang In-Reply-To: <20211022001957.1eba8f04@xhacker> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.177.243] X-ClientProxiedBy: dggeme711-chm.china.huawei.com (10.1.199.107) 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 2021/10/22 0:19, Jisheng Zhang wrote: > From: Jisheng Zhang > > Similar as other architectures such as arm64, x86 and so on, use > offsets relative to the exception table entry values rather than > absolute addresses for both the exception locationand the fixup. > > patch1 consolidates the __ex_table construction, it's a great code > clean up even w/o the 2nd patch. > > patch2 does the real job. Reviewed-by: Kefeng Wang