Received: by 2002:a05:6358:11c7:b0:104:8066:f915 with SMTP id i7csp1773424rwl; Wed, 12 Apr 2023 18:59:27 -0700 (PDT) X-Google-Smtp-Source: AKy350ZtdPu1kDWgdCY1vbTa+b/UtxGi57YXY96pFcGLPq6sVF/66nqxlgQmACFo7xcNHW8vglG5 X-Received: by 2002:a17:906:144f:b0:94a:7979:41f5 with SMTP id q15-20020a170906144f00b0094a797941f5mr755395ejc.71.1681351167112; Wed, 12 Apr 2023 18:59:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1681351167; cv=none; d=google.com; s=arc-20160816; b=hWDhIhLnMGP1nnGiFNdT6rmwkoNuPV8w0ecGNQkePPF3z675uuL25sajat7xkdKA0N nLS4W2HoKnJUrlc8xYS3ZXl+K7zaw6tPEbxv7E1ryCF9PplxW/IdLiG8zUn43rna/k4k TD8G5KlW1XVgRNr2NsLEIAKlnIpMNeYgHaREH5jZNpDMC20wEfzW8203DoLMOscFGRDE tz/N3bpuwGMIE0UR2bXRUDGgAfIzFR6bhbFD46anoXiAiuG1F6BsVRbdGPTcLyXOfZN4 T1C/8T+cRlzyMMR6j7ErkcOji6du0yxNGdOd/6PxV3Pc9rglPy54GvTlaSrp52dPRdiU CyRg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=jsq3/UaFAgVnPUQj+EakM01YxEmdNXac+8YRUzjIxKA=; b=AUMn90oAi5lBFckojXxCot1KNc0nnagoYXJSmzZ1szRwqBndP176bdQKJkwjAMiRl7 rfBLFW+hXs0UABz8DOkUyzKGVS5dHgpPNu4QSlTL8WFm+yI0SbegcLm3LU8hGIGbe3mi oi0Y4IUBTDoeYeu+y2/JBCEWqOIcV9RmPeS3+BIdZiGW2VwvZFIgXVNmiYl8odZOZwWM Z/UpBO657b95gTla6hT8DIRgpWqcLfZX92Q6O5yduFRPDnNhxtlrBg/iKtw8LglaXqs5 8kb4tV/OYAQxtN6qdI67asjzvxmIBG8mMiMB+OXSmeCWvJPNXYTuuEaFmdkNHFOdq8IE B2TA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id k18-20020aa7d8d2000000b0050202f2c2f7si463446eds.424.2023.04.12.18.59.03; Wed, 12 Apr 2023 18:59:27 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229803AbjDMB4F (ORCPT + 99 others); Wed, 12 Apr 2023 21:56:05 -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 X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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