Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261953AbVCUVFI (ORCPT ); Mon, 21 Mar 2005 16:05:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261878AbVCUVCw (ORCPT ); Mon, 21 Mar 2005 16:02:52 -0500 Received: from e34.co.us.ibm.com ([32.97.110.132]:18080 "EHLO e34.co.us.ibm.com") by vger.kernel.org with ESMTP id S261898AbVCUUwe (ORCPT ); Mon, 21 Mar 2005 15:52:34 -0500 Subject: Re: [patch 1/2] fork_connector: add a fork connector From: Ram To: Guillaume Thouvenin Cc: Jesse Barnes , Evgeniy Polyakov , Andrew Morton , lkml , Jay Lan , Erich Focht , Gerrit Huizenga , elsa-devel , Greg KH In-Reply-To: <1111409303.8329.16.camel@frecb000711.frec.bull.fr> References: <1111050243.306.107.camel@frecb000711.frec.bull.fr> <200503170856.57893.jbarnes@engr.sgi.com> <20050318003857.4600af78@zanzibar.2ka.mipt.ru> <200503171405.55095.jbarnes@engr.sgi.com> <1111409303.8329.16.camel@frecb000711.frec.bull.fr> Content-Type: text/plain Organization: IBM Message-Id: <1111438349.5860.27.camel@localhost> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Mon, 21 Mar 2005 12:52:30 -0800 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1049 Lines: 32 On Mon, 2005-03-21 at 04:48, Guillaume Thouvenin wrote: > ChangeLog: > > - Remove the global cn_fork_lock and replace it by a per CPU > counter. > - The processor ID has been added in the data part of the message. > Thus datas sent in a message are: "CPU_ID PARENT_PID CHILD_PID" > > Those modifications were done to be more scalable because, as > mentioned by Jesse Barnes, the global cn_fork_lock won't work well on a > large CPU system. > > This patch applies to 2.6.11-mm4. Guillaume, If a bunch of applications are listening for fork events, your patch allows any application to turn off the fork event notification? Is this the right behavior? Should'nt it turn off the fork-event notification when the number of listeners become zero? RP - 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/