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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49ECDC433FE for ; Fri, 15 Oct 2021 18:05:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B71B6120D for ; Fri, 15 Oct 2021 18:05:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242208AbhJOSHO (ORCPT ); Fri, 15 Oct 2021 14:07:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232557AbhJOSHN (ORCPT ); Fri, 15 Oct 2021 14:07:13 -0400 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EF842C061570; Fri, 15 Oct 2021 11:05:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=iWFwLZtUtGK6QLeN9kwkzrG0DnPld05nUJlKzTSNq1M=; b=TKkIy9uEfgJwhj+gTY4uzfwmax 0baqH8O8KrNb7Doua0roTYth1ckXfoqjJX8Hv3nGZY1RCjvoWMPFgBJ34IchV6bUKqVwvl6mZ37xR KPcdgndusraTnnK1v5Rfu6CofOx2h1PE0cxZ76Hd9WMDzAjpt32VjEZ2sSVF0URwEL0NThy7DPrlx EykTH3PUtC5GXcI4Hz32VKVum7ZMTccNVuPV95N0AMVWs+C5ILIINZVLzx+Em8f5rR4g0d4WKFsdq YD7XzC33MY60aXEZ1XypRY552W2gWeIrYFpp362bmOro2661TWvpH2L081WYfpvK81qTIbzl1CX8U aGpOAyTg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=worktop.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbRZF-00A2dk-VJ; Fri, 15 Oct 2021 18:04:30 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id 8542C9857C7; Fri, 15 Oct 2021 20:04:29 +0200 (CEST) Date: Fri, 15 Oct 2021 20:04:29 +0200 From: Peter Zijlstra To: Steven Rostedt Cc: LKML , Ingo Molnar , "James E.J. Bottomley" , Helge Deller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Paul Walmsley , Palmer Dabbelt , Albert Ou , Thomas Gleixner , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , Colin Ian King , Masami Hiramatsu , Nicholas Piggin , Jisheng Zhang , linux-csky@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, live-patching@vger.kernel.org, =?utf-8?B?546L6LSH?= , Guo Ren Subject: Re: [PATCH] tracing: Have all levels of checks prevent recursion Message-ID: <20211015180429.GK174703@worktop.programming.kicks-ass.net> References: <20211015110035.14813389@gandalf.local.home> <20211015161702.GF174703@worktop.programming.kicks-ass.net> <20211015133504.6c0a9fcc@gandalf.local.home> <20211015135806.72d1af23@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211015135806.72d1af23@gandalf.local.home> Precedence: bulk List-ID: X-Mailing-List: live-patching@vger.kernel.org On Fri, Oct 15, 2021 at 01:58:06PM -0400, Steven Rostedt wrote: > Something like this: I think having one copy of that in a header is better than having 3 copies. But yes, something along them lines.