Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760134AbYAGVgH (ORCPT ); Mon, 7 Jan 2008 16:36:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750954AbYAGVfz (ORCPT ); Mon, 7 Jan 2008 16:35:55 -0500 Received: from x35.xmailserver.org ([64.71.152.41]:59237 "EHLO x35.xmailserver.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750766AbYAGVfy (ORCPT ); Mon, 7 Jan 2008 16:35:54 -0500 X-AuthUser: davidel@xmailserver.org Date: Mon, 7 Jan 2008 13:35:52 -0800 (PST) From: Davide Libenzi X-X-Sender: davide@alien.or.mcafeemobile.com To: Christian Kujau cc: Peter Zijlstra , Herbert Xu , Ingo Molnar , "Rafael J. Wysocki" , Linux Kernel Mailing List , jfs-discussion@lists.sourceforge.net, Johannes Berg , Oleg Nesterov Subject: Re: 2.6.24-rc6: possible recursive locking detected In-Reply-To: Message-ID: References: <200801040006.47979.rjw@sisk.pl> <20080104083049.GC22803@elte.hu> <20080105071205.GA28936@gondor.apana.org.au> <1199552016.31975.41.camel@lappy> <1199552476.31975.45.camel@lappy> X-GPG-FINGRPRINT: CFAE 5BEE FD36 F65E E640 56FE 0974 BF23 270F 474E X-GPG-PUBLIC_KEY: http://www.xmailserver.org/davidel.asc MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 873 Lines: 24 On Sun, 6 Jan 2008, Christian Kujau wrote: > On Sat, 5 Jan 2008, Davide Libenzi wrote: > > A solution may be to move the call to ep_poll_safewake() (that'd become a > > simple wake_up()) inside a tasklet or whatever is today trendy for delayed > > work. But his kinda scares me to be honest, since epoll has already a > > bunch of places where it could be asynchronously hit (plus performance > > regression will need to be verified). > > Although I'm not able to reproduce this one right now, I'm happy to test any > patches you guys come up with. There's no need to reproduce it. It's there, it's among us ;) - Davide -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/