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 X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A739CC04AB3 for ; Mon, 27 May 2019 16:10:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7D65C2081C for ; Mon, 27 May 2019 16:10:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="S7Wnzx40" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726899AbfE0QKo (ORCPT ); Mon, 27 May 2019 12:10:44 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:38672 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725991AbfE0QKo (ORCPT ); Mon, 27 May 2019 12:10:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; 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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Uld6H3JrVxmYsW0FvI1LakKbPkrV6F+CRzlFk+Ay678=; b=S7Wnzx40jWRzxuYdrX3ExHijr ttcQPC2/xOa4bly15NVNRQTksQvE8x/xLlevoxPzq9hv/P4tzZPXUQukgzCtSSYEByXAHUSKLcLSt 5bh37KkTxiFdYxek8o9Y0hyR/QM727OsS2xi3HbCeu9IC7xjIQAa59+SudhuSVvM2sczk1XpTxKjy 9g15OSHiwCavUrw5Q6N2Hbuu6UZYccQM+Vv/PXtdHUxE4PHH1jbiEKKLfJAe8CGvBKn3h/cYS5XNS g/jL8JQ+/qpNybTVMD4eFZuO3bdLd0IRZcmCEbZpDOK2GK3F+GkcAVOGXP2VY/pMB3ezlMD+ODbdU r4LFMSivg==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1hVICt-0006oi-98; Mon, 27 May 2019 16:10:41 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 1D482202BF3E0; Mon, 27 May 2019 18:10:37 +0200 (CEST) Date: Mon, 27 May 2019 18:10:37 +0200 From: Peter Zijlstra To: Imre Deak Cc: LKML , Ville =?iso-8859-1?Q?Syrj=E4l=E4?= , Ingo Molnar , Will Deacon Subject: Re: [PATCH v2 2/2] lockdep: Fix merging of hlocks with non-zero references Message-ID: <20190527161037.GG2623@hirez.programming.kicks-ass.net> References: <20190524201509.9199-1-imre.deak@intel.com> <20190524201509.9199-2-imre.deak@intel.com> <20190527151438.GF2623@hirez.programming.kicks-ass.net> <20190527154429.GC24536@ideak-desk.fi.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190527154429.GC24536@ideak-desk.fi.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 27, 2019 at 06:44:29PM +0300, Imre Deak wrote: > On Mon, May 27, 2019 at 05:14:38PM +0200, Peter Zijlstra wrote: > > On Fri, May 24, 2019 at 11:15:09PM +0300, Imre Deak wrote: > > > - if (DEBUG_LOCKS_WARN_ON(hlock->references == UINT_MAX)) > > > > What tree is this against? > > I just used our > git://anongit.freedesktop.org/drm-tip > and the most recent upstream commit in that is: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/linux/lockdep.h#n270