Received: by 2002:a5b:505:0:0:0:0:0 with SMTP id o5csp2394323ybp; Thu, 10 Oct 2019 06:50:42 -0700 (PDT) X-Google-Smtp-Source: APXvYqwviBcuAinczkJTz6WBGvoY7u4AAycLTII8lL9+WAHqpvmRwZRQf3xJ7wcTuaSl9dZ5n7EE X-Received: by 2002:a17:906:d928:: with SMTP id rn8mr7947987ejb.143.1570715442468; Thu, 10 Oct 2019 06:50:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1570715442; cv=none; d=google.com; s=arc-20160816; b=QJtUvXl3FyRGCQkWv3nRxRUWd8xRToQ7ezJbMTVcTlAmcMlWm7Ce380HZME/Z56SyV DlagNIl1aWIPdtZnzvtr4/2W0h0l3fjWDHrZpDk1RC9jDhJnfjJBP6UOfG/E+b56ftOa lfRVOET0RwxFNn8/z9Dv6O76fFI9U7ocG1XVCT7NhauteFEqq5+9+ZGrfH786ojruElq DmvVS5LA+XGUFkdXlbXmSTTWfFm+URBeE9eZPcTl34EB+x9Auf/TBVO83aqHGLJV3za8 dVyg8L1qnmX00ii2cvLnAdUFxZeVGuZxMpqO5FCUKCWWXnA1ItL+fRy7oU2Vr/jVMfQ5 k7Lw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=t5ZhfLr9JoHk+2RbDFoBgLttPxgSYJ/fpFvDby9ROAM=; b=UrOYtxDXYATX35+2i/0U3pMTNf8iH3W+KFevA3mgGlDrcwzy6ljznM6Df2RseKUJVF BHkaMR+20jnL767b18lNWa1dPZrG+I4j2HuU4gfj68LYPTCZ/cwixp0wsmPc/FNuobdP ih/k3UDoUCjNMKkWIjatPNXSFbgMoSJQl4BG6BsjK2SczbO+ipb7ohSMrSpaL3jh2Tn1 AmoGi6tG3lK+4FPxkF+qPnB+8A69I51Jl/Ow1mx/ES61vAwGM7Bx+VegFNZgpxY2/jLF edRslJat6XnO1kszINLgI2Vz7Qv3BJPrci4NgNdEkV7M9DmnNhvBCQ/LO4e37sr4UwRN fpOg== 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id m12si3175195eja.9.2019.10.10.06.50.17; Thu, 10 Oct 2019 06:50:42 -0700 (PDT) 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732671AbfJJNpB (ORCPT + 99 others); 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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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