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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 BDCAAC433DB for ; Thu, 28 Jan 2021 16:25:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8079F64DF2 for ; Thu, 28 Jan 2021 16:25:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232443AbhA1QZm (ORCPT ); Thu, 28 Jan 2021 11:25:42 -0500 Received: from verein.lst.de ([213.95.11.211]:58020 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232136AbhA1QZi (ORCPT ); Thu, 28 Jan 2021 11:25:38 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id 968EA68B02; Thu, 28 Jan 2021 17:24:47 +0100 (CET) Date: Thu, 28 Jan 2021 17:24:46 +0100 From: Christoph Hellwig To: Petr Mladek Cc: Christoph Hellwig , Frederic Barrat , Andrew Donnellan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Jessica Yu , Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Joe Lawrence , Masahiro Yamada , Michal Marek , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, dri-devel@lists.freedesktop.org, live-patching@vger.kernel.org, linux-kbuild@vger.kernel.org Subject: Re: [PATCH 03/13] livepatch: refactor klp_init_object Message-ID: <20210128162446.GA3883@lst.de> References: <20210121074959.313333-1-hch@lst.de> <20210121074959.313333-4-hch@lst.de> <20210128162240.GA3417@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210128162240.GA3417@lst.de> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: live-patching@vger.kernel.org On Thu, Jan 28, 2021 at 05:22:40PM +0100, Christoph Hellwig wrote: > > We need to either update the function description or keep this check. > > > > I prefer to keep the check. The function does the right thing also > > for the object "vmlinux". Also the livepatch code includes many > > similar paranoid checks that makes the code less error prone > > against any further changes. > > Well, the check is in the caller now where we have a conditional for > it. So I'd be tempted to either update the comment, or just drop the > patch. Also even without the check I think it will do the right thing when called for vmlinux given that it simplify won't find a module called vmlinux..