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 473D3C77B73 for ; Thu, 13 Apr 2023 01:56:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229810AbjDMB4G (ORCPT ); Wed, 12 Apr 2023 21:56:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229506AbjDMB4E (ORCPT ); Wed, 12 Apr 2023 21:56:04 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38031618F; Wed, 12 Apr 2023 18:56:02 -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 C30FE63380; Thu, 13 Apr 2023 01:56:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33D14C433EF; Thu, 13 Apr 2023 01:55:59 +0000 (UTC) Date: Wed, 12 Apr 2023 21:55:57 -0400 From: Steven Rostedt To: Joel Fernandes Cc: Qi Zheng , "Zhang, Qiang1" , Boqun Feng , Vlastimil Babka , "42.hyeyoo@gmail.com" <42.hyeyoo@gmail.com>, "akpm@linux-foundation.org" , "roman.gushchin@linux.dev" , "iamjoonsoo.kim@lge.com" , "rientjes@google.com" , "penberg@kernel.org" , "cl@linux.com" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Zhao Gongyi , Sebastian Andrzej Siewior , Thomas Gleixner , RCU , "Paul E . McKenney" Subject: Re: [PATCH] mm: slub: annotate kmem_cache_node->list_lock as raw_spinlock Message-ID: <20230412215557.05df918e@gandalf.local.home> In-Reply-To: References: <20230411130854.46795-1-zhengqi.arch@bytedance.com> <932bf921-a076-e166-4f95-1adb24d544cf@bytedance.com> 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-kernel@vger.kernel.org On Wed, 12 Apr 2023 20:24:19 -0400 Joel Fernandes wrote: > I think it would be better to fix PROVE_LOCKING / CONFIG_PREEMPT_RT > instead of degrading !CONFIG_PREEMPT_RT just to satisfy a > false-positive report. I think getting Peter's patch working: https://lore.kernel.org/all/20230412124735.GE628377@hirez.programming.kicks-ass.net/ is the real solution. -- Steve