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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAF0CC00140 for ; Sun, 31 Jul 2022 16:48:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234168AbiGaQse (ORCPT ); Sun, 31 Jul 2022 12:48:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46874 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229558AbiGaQsd (ORCPT ); Sun, 31 Jul 2022 12:48:33 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15209E02F; Sun, 31 Jul 2022 09:48:33 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A55BC60F1F; Sun, 31 Jul 2022 16:48:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50AC6C433C1; Sun, 31 Jul 2022 16:48:31 +0000 (UTC) Date: Sun, 31 Jul 2022 12:48:24 -0400 From: Steven Rostedt To: Daniel Bristot de Oliveira Cc: Tao Zhou , Wim Van Sebroeck , Guenter Roeck , Jonathan Corbet , Ingo Molnar , Thomas Gleixner , Peter Zijlstra , Will Deacon , Catalin Marinas , Marco Elver , Dmitry Vyukov , "Paul E. McKenney" , Shuah Khan , Gabriele Paoloni , Juri Lelli , Clark Williams , Randy Dunlap , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-devel@vger.kernel.org Subject: Re: [PATCH V9 01/16] rv: Add Runtime Verification (RV) interface Message-ID: <20220731124824.6d065b86@rorschach.local.home> In-Reply-To: References: <0197dd47-ea15-4d8b-5fc7-e466d8a501a7@kernel.org> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org On Sun, 31 Jul 2022 17:56:27 +0200 Daniel Bristot de Oliveira wrote: > > Yeah, this is not that clear from my above words expression. I said the return > > value of da_monitor_init_*() will be 0, but it is not right. Global and per-cpu > > monitor will return 0, per-task monitor may return a positive value when the > > slot is equal or greater than RV_PER_TASK_MONITOR_INIT(how possible this will > > happen I do know yet). This is from reading the current code implementation. > > I just want to say that there may be a bug here. > > goto my previous email; If you increment RV_PER_TASK_MONITORS to 2, I believe Tao is correct. -- Steve