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From: Pavel Emelyanov <xemul@openvz.org>
To: Ulrich Drepper <drepper@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [patch] PID namespace design bug, workaround
Date: Fri, 02 Nov 2007 10:55:02 +0300	[thread overview]
Message-ID: <472AD7D6.80900@openvz.org> (raw)
In-Reply-To: <472A6D91.1020300@redhat.com>

Ulrich Drepper wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Pavel Emelyanov wrote:
>> The "fix" I mention is just returning -EINVAL in case user orders 
>> CLONE_NEWPIDS
> 
> That is the "fix" you were referring to?  I was hoping you have a sketch
> for a real solution.  If nobody can think of a way to fix this PID

Looks like we misunderstood each other. Can you please elaborate on 
what exactly is broken in pid namespaces?

> namespaces are IMO not something which should go in at all.

We (mainly me and Sukadev) are fixing the issues we are aware of, but 
looks like somebody found something and didn't notify the authors 
about it.

Thanks,
Pavel

> - --
> ➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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  reply	other threads:[~2007-11-02  7:55 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-01 14:43 [patch] PID namespace design bug, workaround Ingo Molnar
2007-11-01 14:51 ` Pavel Emelyanov
2007-11-01 14:56   ` Peter Zijlstra
2007-11-01 15:06     ` Pavel Emelyanov
2007-11-01 15:17       ` Ingo Molnar
2007-11-01 15:30         ` Pavel Emelyanov
2007-11-01 14:56   ` Ulrich Drepper
2007-11-01 15:05     ` Pavel Emelyanov
2007-11-02  0:21       ` Ulrich Drepper
2007-11-02  7:55         ` Pavel Emelyanov [this message]
2007-11-02  8:04           ` Andrew Morton
2007-11-02  8:14             ` Pavel Emelyanov
2007-11-02 14:05               ` Ulrich Drepper
2007-11-02 14:21                 ` Pavel Emelyanov
2007-11-02 15:34                   ` Ulrich Drepper
2007-11-02 15:58                     ` Pavel Emelyanov
2007-11-02 21:39                       ` Theodore Tso
2007-11-03  4:34                       ` Ulrich Drepper
2007-11-06  7:49                         ` Pavel Emelyanov
2007-11-03 20:01                   ` sukadev
2007-11-04  7:17                     ` Eric W. Biederman
2007-11-02 17:30             ` Dave Hansen
2007-11-02 17:39               ` Linus Torvalds
2007-11-03  4:02                 ` Nicholas Miell
2007-11-03 20:12                 ` Ingo Molnar
2007-11-03 22:40                   ` Linus Torvalds
2007-11-03 23:55                     ` Arjan van de Ven
2007-11-04  0:21                       ` david
2007-11-04 10:38                     ` [patch] PID namespaces Ingo Molnar
2007-11-04 20:12                       ` Dave Hansen
2007-11-05 14:47                       ` Denys Vlasenko
2007-11-20 22:53                   ` Futexes and network filesystems Er ic W. Biederman
2007-11-21  6:16                     ` Kyle Moffett
2007-11-21  6:30                       ` Eric W. Biederman
2007-11-01 16:12     ` [patch] PID namespace design bug, workaround Dave Hansen
2007-11-01 14:53 ` Ulrich Drepper
2007-11-01 15:05   ` Ingo Molnar
2007-11-01 18:57     ` Theodore Tso
2007-11-01 19:53       ` Ingo Molnar
2007-11-02  0:23         ` Ulrich Drepper
2007-11-01 15:02 ` Pavel Emelyanov

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