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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 83063ECE596 for ; Thu, 10 Oct 2019 13:45:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 64DCE214E0 for ; Thu, 10 Oct 2019 13:45:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726298AbfJJNpB (ORCPT ); Thu, 10 Oct 2019 09:45:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:39486 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726237AbfJJNpB (ORCPT ); Thu, 10 Oct 2019 09:45:01 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3B3CF208C3; Thu, 10 Oct 2019 13:45:00 +0000 (UTC) Date: Thu, 10 Oct 2019 09:44:58 -0400 From: Steven Rostedt To: Miroslav Benes Cc: Petr Mladek , jikos@kernel.org, Joe Lawrence , jpoimboe@redhat.com, mingo@redhat.com, linux-kernel@vger.kernel.org, live-patching@vger.kernel.org Subject: Re: [PATCH 0/3] ftrace: Introduce PERMANENT ftrace_ops flag Message-ID: <20191010094458.3336fdd4@gandalf.local.home> In-Reply-To: <20191010094352.35056c84@gandalf.local.home> References: <20191007081714.20259-1-mbenes@suse.cz> <20191008193534.GA16675@redhat.com> <20191009112234.bi7lvp4pvmna26vz@pathway.suse.cz> <20191009102654.501ad7c3@gandalf.local.home> <20191010085035.emsdks6xecazqc6k@pathway.suse.cz> <20191010091403.5ecf0fdb@gandalf.local.home> <20191010094352.35056c84@gandalf.local.home> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: live-patching-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: live-patching@vger.kernel.org On Thu, 10 Oct 2019 09:43:52 -0400 Steven Rostedt wrote: > > Yes, but let's still add the patch that does the permanent check. And > then I'll put the "remove this flag" patch on top (and revert > everything else). This way, if somebody complains, and Linus reverts > the removal patch, we don't end up breaking live kernel patching > again ;-) Not to mention, the PERMANENT flag patch can be marked as stable. The removal of the switch, not so. -- Steve