From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932561AbYD2S4Z (ORCPT ); Tue, 29 Apr 2008 14:56:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1765993AbYD2SzX (ORCPT ); Tue, 29 Apr 2008 14:55:23 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:38640 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1765978AbYD2SzW (ORCPT ); Tue, 29 Apr 2008 14:55:22 -0400 Date: Tue, 29 Apr 2008 11:54:24 -0700 From: Andrew Morton To: Nadia.Derbey@bull.net Cc: manfred@colorfullife.com, paulmck@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, efault@gmx.de Subject: Re: [PATCH 00/10] Scalability requirements for sysv ipc - v2 Message-Id: <20080429115424.41b82fcb.akpm@linux-foundation.org> In-Reply-To: <20080429143304.741001000@bull.net> References: <20080429143304.741001000@bull.net> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.20; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 29 Apr 2008 16:33:04 +0200 Nadia.Derbey@bull.net wrote: > After scalability problems had been detected when using the sysV ipcs, I > have proposed to use an RCU based implementation of the IDR api instead > (see thread http://lkml.org/lkml/2008/4/11/212). > > Resending the patch series after > . integrating Paul's remarks > . fixing a bug I had introduced > . porting it to 2.6.25-mm1. > > Reviewers are still welcome! > > Patch 1 can be taken alone: it fixes a problem in the existing IDR API. > > Patches should be applied on linux-2.6.25-mm1, in the following order: > > [ PATCH 01/10 ] : idr_minor_fix.patch > [ PATCH 02/10 ] : ridr_structure.patch > [ PATCH 03/10 ] : ridr_pre_get.patch > [ PATCH 04/10 ] : ridr_init.patch > [ PATCH 05/10 ] : ridr_get_new_above.patch > [ PATCH 06/10 ] : ridr_get_new.patch > [ PATCH 07/10 ] : ridr_find.patch > [ PATCH 08/10 ] : ridr_remove.patch > [ PATCH 09/10 ] : ipc_use_ridr.patch > [ PATCH 10/10 ] : remove_ipc_lock_down.patch > hm, you've been busy. As all this work is entirely for performance reasons, the changelog should have (lots of) performance testing results! Please.