From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752113AbZCNAF0 (ORCPT ); Fri, 13 Mar 2009 20:05:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751314AbZCNAFL (ORCPT ); Fri, 13 Mar 2009 20:05:11 -0400 Received: from out02.mta.xmission.com ([166.70.13.232]:59366 "EHLO out02.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750955AbZCNAFJ (ORCPT ); Fri, 13 Mar 2009 20:05:09 -0400 To: Alexey Dobriyan Cc: Ingo Molnar , linux-api@vger.kernel.org, containers@lists.linux-foundation.org, hpa@zytor.com, linux-kernel@vger.kernel.org, Dave Hansen , linux-mm@kvack.org, viro@zeniv.linux.org.uk, Matt Mackall , Andrew Morton , torvalds@linux-foundation.org, tglx@linutronix.de, Pavel Emelyanov Subject: Re: What can OpenVZ do? References: <1233076092-8660-1-git-send-email-orenl@cs.columbia.edu> <1234285547.30155.6.camel@nimitz> <20090211141434.dfa1d079.akpm@linux-foundation.org> <1234462282.30155.171.camel@nimitz> <1234467035.3243.538.camel@calx> <20090212114207.e1c2de82.akpm@linux-foundation.org> <1234475483.30155.194.camel@nimitz> <20090213102732.GB4608@elte.hu> <20090213113248.GA15275@x200.localdomain> <20090213114503.GG15679@elte.hu> <20090213222818.GA17630@x200.localdomain> From: ebiederm@xmission.com (Eric W. Biederman) Date: Fri, 13 Mar 2009 17:04:55 -0700 In-Reply-To: <20090213222818.GA17630@x200.localdomain> (Alexey Dobriyan's message of "Sat\, 14 Feb 2009 01\:28\:18 +0300") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-XM-SPF: eid=;;;mid=;;;hst=in02.mta.xmission.com;;;ip=67.169.126.145;;;frm=ebiederm@xmission.com;;;spf=neutral X-SA-Exim-Connect-IP: 67.169.126.145 X-SA-Exim-Mail-From: ebiederm@xmission.com X-SA-Exim-Scanned: No (on in02.mta.xmission.com); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Alexey Dobriyan writes: > On Fri, Feb 13, 2009 at 12:45:03PM +0100, Ingo Molnar wrote: >> >> * Alexey Dobriyan wrote: >> >> > On Fri, Feb 13, 2009 at 11:27:32AM +0100, Ingo Molnar wrote: >> > > Merging checkpoints instead might give them the incentive to get >> > > their act together. >> > >> > Knowing how much time it takes to beat CPT back into usable shape every time >> > big kernel rebase is done, OpenVZ/Virtuozzo have every single damn incentive >> > to have CPT mainlined. >> >> So where is the bottleneck? I suspect the effort in having forward ported >> it across 4 major kernel releases in a single year is already larger than >> the technical effort it would take to upstream it. Any unreasonable upstream >> resistence/passivity you are bumping into? > > People were busy with netns/containers stuff and OpenVZ/Virtuozzo bugs. Yes. Getting the namespaces particularly the network namespace finished has consumed a lot of work. Then we have a bunch of people helping with ill conceived patches that seem to wear out the patience of people upstream. Al, Greg kh, Linus. The whole recent ressurection of the question of we should have a clone with pid syscall. Eric From mboxrd@z Thu Jan 1 00:00:00 1970 From: ebiederm@xmission.com (Eric W. Biederman) Subject: Re: What can OpenVZ do? Date: Fri, 13 Mar 2009 17:04:55 -0700 Message-ID: References: <1233076092-8660-1-git-send-email-orenl@cs.columbia.edu> <1234285547.30155.6.camel@nimitz> <20090211141434.dfa1d079.akpm@linux-foundation.org> <1234462282.30155.171.camel@nimitz> <1234467035.3243.538.camel@calx> <20090212114207.e1c2de82.akpm@linux-foundation.org> <1234475483.30155.194.camel@nimitz> <20090213102732.GB4608@elte.hu> <20090213113248.GA15275@x200.localdomain> <20090213114503.GG15679@elte.hu> <20090213222818.GA17630@x200.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: In-Reply-To: <20090213222818.GA17630@x200.localdomain> (Alexey Dobriyan's message of "Sat\, 14 Feb 2009 01\:28\:18 +0300") Sender: owner-linux-mm@kvack.org To: Alexey Dobriyan Cc: Ingo Molnar , linux-api@vger.kernel.org, containers@lists.linux-foundation.org, hpa@zytor.com, linux-kernel@vger.kernel.org, Dave Hansen , linux-mm@kvack.org, viro@zeniv.linux.org.uk, Matt Mackall , Andrew Morton , torvalds@linux-foundation.org, tglx@linutronix.de, Pavel Emelyanov List-Id: linux-api@vger.kernel.org Alexey Dobriyan writes: > On Fri, Feb 13, 2009 at 12:45:03PM +0100, Ingo Molnar wrote: >> >> * Alexey Dobriyan wrote: >> >> > On Fri, Feb 13, 2009 at 11:27:32AM +0100, Ingo Molnar wrote: >> > > Merging checkpoints instead might give them the incentive to get >> > > their act together. >> > >> > Knowing how much time it takes to beat CPT back into usable shape every time >> > big kernel rebase is done, OpenVZ/Virtuozzo have every single damn incentive >> > to have CPT mainlined. >> >> So where is the bottleneck? I suspect the effort in having forward ported >> it across 4 major kernel releases in a single year is already larger than >> the technical effort it would take to upstream it. Any unreasonable upstream >> resistence/passivity you are bumping into? > > People were busy with netns/containers stuff and OpenVZ/Virtuozzo bugs. Yes. Getting the namespaces particularly the network namespace finished has consumed a lot of work. Then we have a bunch of people helping with ill conceived patches that seem to wear out the patience of people upstream. Al, Greg kh, Linus. The whole recent ressurection of the question of we should have a clone with pid syscall. Eric -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org