Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp5440644imu; Wed, 19 Dec 2018 11:10:56 -0800 (PST) X-Google-Smtp-Source: AFSGD/UAKhyZpWnql7pHVytoCemGbI7JIYjBjYS1Do+gSicNkKQdVekV41pSW2ArzPxRrzLgvwIc X-Received: by 2002:a17:902:1122:: with SMTP id d31mr21247290pla.246.1545246656177; Wed, 19 Dec 2018 11:10:56 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1545246656; cv=none; d=google.com; s=arc-20160816; b=hkrdvvQTYHW+aRLjAPIRvaFVn+EHC8x6iGl8kVqAQICAT6dfWjxGrxd3/Ypia1nUmx cAscUWGvxo5g+ZYKP8+7mF0+CpyFUr8vuENfcbOgNMKZUW5Jf3/MytM8Zh1FjK3qyAnk jaME+FzHExRUbY/egd1TgMHeZI0g59vmCXo6TBB1MsW+tRoPI7CDImCJ8ahmAdQJGivd krUBZwaQ8v/Hjj+pTofkdYPDnp52o0FAnT+4mfbwwG2D7rzdsDERqMbd7L2LOciV3bQ4 AFXChYJw8TXsGjLwSuPStFEpegC/u7DRIwfMUj+hkNh7Gl7v902qpc3fRJd2pULk1Act 1hjQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=8eA92sBXbFY5ALWzv0wtppXuQglnYd88CPZXFEyD5EM=; b=o2fz4EdeglYpIPfkbFMW6pyk6qmmX/4vrmhiKpvGv4Ev2N52JtnqoaYuhYP/OKOZfs JrxrPkkcYyyLI9j6oBrfMbkr6w65CcFq04olcg6PvqTdwRqAe3PAX8wDWWnjaUvet2cO iqM4q5zuVaNFpaA+lwWJA5Gp4KS7wEKQ3Brk1JtYTZ6ed/rOR7YSFtyGI4oXEZILUKBq xrsXoUcFSkh+OyGvhZxs6Ooal3cwBI1g42VKON19BuZSpsLInLQ1ZHhFny/uXCIXqeXz QJesZzASA2ylQjDA+LzVZ8vLm4fFuK39AjlflT5qyF2ye3OSsCWp/EYyxoleDVRERueD fE1g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f63si17442265pfg.136.2018.12.19.11.10.39; Wed, 19 Dec 2018 11:10:56 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729103AbeLSSKu (ORCPT + 99 others); Wed, 19 Dec 2018 13:10:50 -0500 Received: from mx2.suse.de ([195.135.220.15]:60240 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728205AbeLSSKu (ORCPT ); Wed, 19 Dec 2018 13:10:50 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 23C81B624; Wed, 19 Dec 2018 18:10:48 +0000 (UTC) Date: Wed, 19 Dec 2018 19:10:47 +0100 (CET) From: Jiri Kosina To: Josh Poimboeuf cc: Miroslav Benes , yamada.masahiro@socionext.com, michal.lkml@markovi.net, jeyu@kernel.org, pmladek@suse.com, linux-kbuild@vger.kernel.org, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org, Joao Moreira Subject: Re: [PATCH] kbuild: use -flive-patching when CONFIG_LIVEPATCH is enabled In-Reply-To: <20181219172127.o753af7pkrsttcgl@treble> Message-ID: References: <20181219141744.32392-1-mbenes@suse.cz> <20181219165428.5udrppedpdvf2u7k@treble> <20181219172127.o753af7pkrsttcgl@treble> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 19 Dec 2018, Josh Poimboeuf wrote: > > > This option only makes sense for source-based patch generation, so isn't > > > it a bit premature to make this change without proper source-based patch > > > tooling? > > > > The reality is though that before the full-fledged patch tooling exists, > > people are actually already writing livepatches by hand, so this option is > > useful for them. > > Fair enough. > > Though, upstream, almost everybody seems to use kpatch-build, for which > this patch doesn't help. And people will continue to do so until we > have decent source-based tooling. Will the klp-convert patches be > revived soon? Let me add Joao, who's working on that. Joao, I think you had something basically ready for upstream exposure, right? Thanks, -- Jiri Kosina SUSE Labs