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 0C31FC77B6C for ; Thu, 13 Apr 2023 07:41:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229818AbjDMHlX (ORCPT ); Thu, 13 Apr 2023 03:41:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229492AbjDMHlV (ORCPT ); Thu, 13 Apr 2023 03:41:21 -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 B45E072B5; Thu, 13 Apr 2023 00:41:18 -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=Wgu8SC6bQOX86fAFA8WPb+pb3Lh3VAdvUHY7nuqb8uI=; b=iTTZpWHukh1hynD3dVUy7qrd2n RiK+81ZR0IxagRpGjzoDpV+yIvoT6kvdz2PPrAIOTK/OsT7eKkBrdczG6Bsv+xH3fjaeF50Lg/Pnt V0NA1zxP06HCglfk89PU2H9IVMlK7iOeVqI6DO9zJqqAytNfM1jIezxVMXC7RoUH0QmefDcTd3EhH c4hztxKdfjCTLtaBexda4kgP0SOGTr/zowETPgerkdjU8qzQSlqaNDcVjE03Fuw1j+VrNgmZWt10F o0FYu5cW+9q0/SN0LPW+CqPWk8LIKRFfKhIylXFLe2oBmdXxpPUu+Vsn3KxxxcgR6+INDMPBXl/fu uuOaXzgg==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1pmrZ3-00EfG0-2q; Thu, 13 Apr 2023 07:40:18 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 2D8CB3001E4; Thu, 13 Apr 2023 09:40:13 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id C20AF20D0CF59; Thu, 13 Apr 2023 09:40:13 +0200 (CEST) Date: Thu, 13 Apr 2023 09:40:13 +0200 From: Peter Zijlstra To: Qi Zheng Cc: Vlastimil Babka , "Zhang, Qiang1" , Boqun Feng , "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: <20230413074013.GD4253@hirez.programming.kicks-ass.net> References: <20230411130854.46795-1-zhengqi.arch@bytedance.com> <932bf921-a076-e166-4f95-1adb24d544cf@bytedance.com> <20230412124735.GE628377@hirez.programming.kicks-ass.net> <76e15f10-d3f1-2cab-63cb-25aa3b4f2cd4@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <76e15f10-d3f1-2cab-63cb-25aa3b4f2cd4@bytedance.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 13, 2023 at 12:44:42AM +0800, Qi Zheng wrote: > > Something like the completely untested below might be of help.. > I just tested the above code, and then got the following > warning: > > It seems that the LD_WAIT_SLEEP we set is already greater than the > LD_WAIT_SPIN of the current context. Yeah, I'm an idiot and got it wrong.. I'll try again later if I manage to wake up today :-)