From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760985AbYDKQ1e (ORCPT ); Fri, 11 Apr 2008 12:27:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760209AbYDKQ11 (ORCPT ); Fri, 11 Apr 2008 12:27:27 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:46066 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760156AbYDKQ10 (ORCPT ); Fri, 11 Apr 2008 12:27:26 -0400 Subject: Re: [PATCH 00/13] Re: Scalability requirements for sysv ipc From: Peter Zijlstra To: Nadia.Derbey@bull.net Cc: efault@gmx.de, manfred@colorfullife.com, linux-kernel@vger.kernel.org, paulmck@linux.vnet.ibm.com, akpm@linux-foundation.org, xemul@openvz.org In-Reply-To: <20080411161702.460410000@bull.net> References: <20080411161702.460410000@bull.net> Content-Type: text/plain Date: Fri, 11 Apr 2008 18:27:15 +0200 Message-Id: <1207931235.7157.0.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.22.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2008-04-11 at 18:17 +0200, Nadia.Derbey@bull.net wrote: > > Here is finally the ipc ridr-based implementation I was talking about last > week (see http://lkml.org/lkml/2008/4/4/208). > I couldn't avoid much of the code duplication, but at least made things > incremental. > > Does somebody now a test suite that exists for the idr API, that I could > run on this new api? > > Mike, can you try to run it on your victim: I had such a hard time building > this patch, that I couldn't re-run the test on my 8-core with this new > version. So the last results I have are for 2.6.25-rc3-mm1. > > Also, I think a careful review should be done to avoid introducing yet other > problems :-( Why duplicate the whole thing, when we converted the Radix tree to be RCU safe we did it in-place. Is there a reason this is not done for idr?