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Re: [patch] PID namespace design bug, workaround

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From: Pavel Emelyanov <xemul@...>
To: Peter Zijlstra <peterz@...>
Cc: Ingo Molnar <mingo@...>, Linus Torvalds <torvalds@...>, Andrew Morton <akpm@...>, <linux-kernel@...>, Ulrich Drepper <drepper@...>
Subject: Re: [patch] PID namespace design bug, workaround
Date: Thursday, November 1, 2007 - 11:06 am

Peter Zijlstra wrote:

I have already answered to Ulrich about this. Just to
make this sub-thread consistent:

The "fix" I mention is just returning -EINVAL in case user orders 
CLONE_NEWPIDS and compiling out all the namespace cloning code. This 
is just a more elegant way to get rid of pid namespaces rather than 
Ingo proposed.

Here's the root of the set:
http://lkml.org/lkml/2007/10/31/118

Thanks,
Pavel
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Messages in current thread:
[patch] PID namespace design bug, workaround, Ingo Molnar, (Thu Nov 1, 10:43 am)
Re: [patch] PID namespace design bug, workaround, Pavel Emelyanov, (Thu Nov 1, 11:02 am)
Re: [patch] PID namespace design bug, workaround, Ulrich Drepper, (Thu Nov 1, 10:53 am)
Re: [patch] PID namespace design bug, workaround, Ingo Molnar, (Thu Nov 1, 11:05 am)
Re: [patch] PID namespace design bug, workaround, Theodore Tso, (Thu Nov 1, 2:57 pm)
Re: [patch] PID namespace design bug, workaround, Ingo Molnar, (Thu Nov 1, 3:53 pm)
Re: [patch] PID namespace design bug, workaround, Ulrich Drepper, (Thu Nov 1, 8:23 pm)
Re: [patch] PID namespace design bug, workaround, Pavel Emelyanov, (Thu Nov 1, 10:51 am)
Re: [patch] PID namespace design bug, workaround, Ulrich Drepper, (Thu Nov 1, 10:56 am)
Re: [patch] PID namespace design bug, workaround, Dave Hansen, (Thu Nov 1, 12:12 pm)
Re: [patch] PID namespace design bug, workaround, Pavel Emelyanov, (Thu Nov 1, 11:05 am)
Re: [patch] PID namespace design bug, workaround, Ulrich Drepper, (Thu Nov 1, 8:21 pm)
Re: [patch] PID namespace design bug, workaround, Pavel Emelyanov, (Fri Nov 2, 3:55 am)
Re: [patch] PID namespace design bug, workaround, Andrew Morton, (Fri Nov 2, 4:04 am)
Re: [patch] PID namespace design bug, workaround, Dave Hansen, (Fri Nov 2, 1:30 pm)
Re: [patch] PID namespace design bug, workaround, Linus Torvalds, (Fri Nov 2, 1:39 pm)
Re: [patch] PID namespace design bug, workaround, Ingo Molnar, (Sat Nov 3, 4:12 pm)
Futexes and network filesystems., Er ic W. Biederman, (Tue Nov 20, 6:53 pm)
Re: Futexes and network filesystems., Kyle Moffett, (Wed Nov 21, 2:16 am)
Re: Futexes and network filesystems., Eric W. Biederman, (Wed Nov 21, 2:30 am)
Re: [patch] PID namespace design bug, workaround, Linus Torvalds, (Sat Nov 3, 6:40 pm)
Re: [patch] PID namespaces, Ingo Molnar, (Sun Nov 4, 6:38 am)
Re: [patch] PID namespaces, Denys Vlasenko, (Mon Nov 5, 10:47 am)
Re: [patch] PID namespaces, Dave Hansen, (Sun Nov 4, 4:12 pm)
Re: [patch] PID namespace design bug, workaround, Arjan van de Ven, (Sat Nov 3, 7:55 pm)
Re: [patch] PID namespace design bug, workaround, , (Sat Nov 3, 8:21 pm)
Re: [patch] PID namespace design bug, workaround, Nicholas Miell, (Sat Nov 3, 12:02 am)
Re: [patch] PID namespace design bug, workaround, Pavel Emelyanov, (Fri Nov 2, 4:14 am)
Re: [patch] PID namespace design bug, workaround, Ulrich Drepper, (Fri Nov 2, 10:05 am)
Re: [patch] PID namespace design bug, workaround, Pavel Emelyanov, (Fri Nov 2, 10:21 am)
Re: [patch] PID namespace design bug, workaround, , (Sat Nov 3, 4:01 pm)
Re: [patch] PID namespace design bug, workaround, Eric W. Biederman, (Sun Nov 4, 3:17 am)
Re: [patch] PID namespace design bug, workaround, Ulrich Drepper, (Fri Nov 2, 11:34 am)
Re: [patch] PID namespace design bug, workaround, Pavel Emelyanov, (Fri Nov 2, 11:58 am)
Re: [patch] PID namespace design bug, workaround, Ulrich Drepper, (Sat Nov 3, 12:34 am)
Re: [patch] PID namespace design bug, workaround, Pavel Emelyanov, (Tue Nov 6, 3:49 am)
Re: [patch] PID namespace design bug, workaround, Theodore Tso, (Fri Nov 2, 5:39 pm)
Re: [patch] PID namespace design bug, workaround, Peter Zijlstra, (Thu Nov 1, 10:56 am)
Re: [patch] PID namespace design bug, workaround, Pavel Emelyanov, (Thu Nov 1, 11:06 am)
Re: [patch] PID namespace design bug, workaround, Ingo Molnar, (Thu Nov 1, 11:17 am)
Re: [patch] PID namespace design bug, workaround, Pavel Emelyanov, (Thu Nov 1, 11:30 am)