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: Thu, 01 Nov 2007 18:05:32 +0300 [thread overview]
Message-ID: <4729EB3C.9050102@openvz.org> (raw)
In-Reply-To: <4729E936.4040400@redhat.com>
Ulrich Drepper wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Pavel Emelyanov wrote:
>> With this set we'll be able to mark pid namespaces as EXPERIMENTAL
>> or even BROKEN, so nobody will be able to crate them. So can we, please,
>> keep things as they are for now - the appropriate fix will be ready
>> soon.
>
> You sound far too optimistic for my taste. I probably haven't seen the
> proposal you have in mind but everything else I have seen simply doesn't
> work without breaking something.
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
next prev parent reply other threads:[~2007-11-01 15:05 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 [this message]
2007-11-02 0:21 ` Ulrich Drepper
2007-11-02 7:55 ` Pavel Emelyanov
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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