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 C6D55C433F5 for ; Wed, 8 Dec 2021 01:49:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230185AbhLHBxO convert rfc822-to-8bit (ORCPT ); Tue, 7 Dec 2021 20:53:14 -0500 Received: from szxga02-in.huawei.com ([45.249.212.188]:28284 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242904AbhLHBxO (ORCPT ); Tue, 7 Dec 2021 20:53:14 -0500 Received: from dggpeml500024.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4J80TP4L1CzQj7C for ; Wed, 8 Dec 2021 09:49:29 +0800 (CST) Received: from dggpeml100010.china.huawei.com (7.185.36.14) by dggpeml500024.china.huawei.com (7.185.36.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Wed, 8 Dec 2021 09:49:42 +0800 Received: from dggpeml500011.china.huawei.com (7.185.36.84) by dggpeml100010.china.huawei.com (7.185.36.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Wed, 8 Dec 2021 09:49:41 +0800 Received: from dggpeml500011.china.huawei.com ([7.185.36.84]) by dggpeml500011.china.huawei.com ([7.185.36.84]) with mapi id 15.01.2308.020; Wed, 8 Dec 2021 09:49:41 +0800 From: Hubin To: "live-patching@vger.kernel.org" Subject: Some questions about arm64 live-patching support Thread-Topic: Some questions about arm64 live-patching support Thread-Index: Adfr1ck9byrWnOH/QvqttCYrXg/ApQ== Date: Wed, 8 Dec 2021 01:49:41 +0000 Message-ID: <75f1c581d61d48ec88925ebb4f83d7fd@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.176.66] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: live-patching@vger.kernel.org Hi, Currently Linux lacks support for live patching in arm64, and recently we have some patches to help enable this feature. But I still don't know how much gap do we have from finishing arm64 live-patching support. So I just have some questions: 1. What do we need to implement to support aarch64 live-patching? 2. Is there any plan or roadmap for this support? 3. What can I do, if I want to contribute to enabling this feature? Thanks