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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 3DEA1C3F2CD for ; Mon, 2 Mar 2020 16:58:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 16D7F222C4 for ; Mon, 2 Mar 2020 16:58:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727152AbgCBQ6U convert rfc822-to-8bit (ORCPT ); Mon, 2 Mar 2020 11:58:20 -0500 Received: from mx2.suse.de ([195.135.220.15]:47200 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727111AbgCBQ6U (ORCPT ); Mon, 2 Mar 2020 11:58:20 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id D1E5CAE3C; Mon, 2 Mar 2020 16:58:18 +0000 (UTC) From: Nicolai Stange To: JeffleXu Cc: Nicolai Stange , jpoimboe@redhat.com, live-patching@vger.kernel.org Subject: Re: [help] Confusion on livepatch's per-task consistency model References: <315f87a7-eb40-67a7-4ab9-4b384fde752a@linux.alibaba.com> <87mu8z6o1r.fsf@suse.de> Date: Mon, 02 Mar 2020 17:58:17 +0100 In-Reply-To: (jefflexu@linux.alibaba.com's message of "Mon, 2 Mar 2020 21:19:21 +0800") Message-ID: <87mu8yvgly.fsf@suse.de> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Sender: live-patching-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: live-patching@vger.kernel.org JeffleXu writes: > So as far as I understand, for all kinds of (data/locking) semantic > changes, it's the responsibility of the patch writer to detect the > semantic changes, and usually it can only be analyzed case by > case. Right? Exactly :) Nicolai -- SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg), GF: Felix Imendörffer