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 C848DC433FE for ; Sat, 8 Oct 2022 12:50:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229453AbiJHMuM (ORCPT ); Sat, 8 Oct 2022 08:50:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229501AbiJHMuL (ORCPT ); Sat, 8 Oct 2022 08:50:11 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A9BC252AC for ; Sat, 8 Oct 2022 05:50:10 -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 ams.source.kernel.org (Postfix) with ESMTPS id 573F2B80943 for ; Sat, 8 Oct 2022 12:50:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B292C433D6; Sat, 8 Oct 2022 12:50:06 +0000 (UTC) Date: Sat, 8 Oct 2022 08:50:06 -0400 From: Steven Rostedt To: lijiazi Cc: Ingo Molnar , "Jiazi.Li" , linux-trace-devel@vger.kernel.org Subject: Re: [PATCH] ring-buffer: Add barrire in rb_move_tail Message-ID: <20221008085006.01f73f0a@rorschach.local.home> In-Reply-To: <20221008012128.GA6772@Jiazi.Li> References: <20220902085641.32ba1651@gandalf.local.home> <20220905030209.GA5577@Jiazi.Li> <20220906122542.1bab4663@gandalf.local.home> <20220907081358.GB24124@Jiazi.Li> <20220915081414.GA12602@Jiazi.Li> <20220928105443.1e7e4555@gandalf.local.home> <20220928105935.578b72b6@gandalf.local.home> <20220928162908.07b12250@gandalf.local.home> <20220929091201.GA21685@Jiazi.Li> <20220930174934.7c5ec85f@gandalf.local.home> <20221008012128.GA6772@Jiazi.Li> 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 Sat, 8 Oct 2022 09:21:29 +0800 lijiazi wrote: > On Fri, Sep 30, 2022 at 05:49:34PM -0400, Steven Rostedt wrote: > > On Thu, 29 Sep 2022 17:12:01 +0800 > > lijiazi wrote: > > > > > > Actually, that failed my testing (for other reasons), can you try this one? > > > > > > > Sure, thank you. > > > > Have you had a chance to test this yet? > > > > The merge window is about to open, and I have it already tested through all > > my tests. But I want to hold off pushing it to next until I have a > > tested-by from you. > > > > Thanks! > > > > -- Steve > Sorry for the late reply, I just finished my National Day holiday. > Up to now, the crash issue has not been reproduced with this patch. > Thanks! No problem. Thanks for testing it. And thank you even more for reporting it. This was a real bug that's been around pretty much from the beginning and nobody (at least I know of) reported it. -- Steve