From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758775AbXIXSxV (ORCPT ); Mon, 24 Sep 2007 14:53:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755399AbXIXSxM (ORCPT ); Mon, 24 Sep 2007 14:53:12 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:58688 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754382AbXIXSxL (ORCPT ); Mon, 24 Sep 2007 14:53:11 -0400 Date: Mon, 24 Sep 2007 12:52:30 -0700 From: Arjan van de Ven To: Dave Hansen Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, adobriyan@sw.ru, peterz@infradead.org, Dave Hansen Subject: Re: [PATCH] make lockdep happy with r/o bind mounts Message-ID: <20070924125230.0f144a84@laptopd505.fenrus.org> In-Reply-To: <20070924174658.2B3D54B8@kernel> References: <20070924174658.2B3D54B8@kernel> Organization: Intel X-Mailer: Claws Mail 3.0.1 (GTK+ 2.12.0; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 24 Sep 2007 10:46:58 -0700 Dave Hansen wrote: > > With the r/o bind mount patches, we can have as many > spinlocks nested as there are CPUs on the system. > Lockdep freaks out after 8. The patch implements the right solution for this "invent your own lock" situation... Acked-by: Arjan van de Ven