From: Glauber Costa <glommer@parallels.com>
To: Serge Hallyn <serge.hallyn@ubuntu.com>
Cc: <linux-kernel@vger.kernel.org>,
<containers@lists.linux-foundation.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] kernel: allow reboots from user_ns
Date: Thu, 14 Feb 2013 18:30:52 +0400 [thread overview]
Message-ID: <511CF51C.6050504@parallels.com> (raw)
In-Reply-To: <20130214142745.GA4470@sergelap>
On 02/14/2013 06:27 PM, Serge Hallyn wrote:
> Quoting Glauber Costa (glommer@parallels.com):
>> Reboot support for pid namespaces is already implemented and it works
>> well. However, in most containers the tasks will join all namespaces,
>> including the now supported user namespace. In that situation, we will
>> fail the "capable" test and won't be able to reboot.
>>
>> The proposed solution is to allow reboots for CAP_SYS_BOOT processes
>> in the user namespace that owns the pid namespace.
>>
>> Signed-off-by: Glauber Costa <glommer@parallels.com>
>
> Note Li Zefan sent this identical patch last year. It's in my own
> built userns kernel, and definately required :)
>
I didn't see that, and using Linus' master my stop container scripts
stopped working after I started using Eric's userns...
next prev parent reply other threads:[~2013-02-14 14:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-14 11:56 [PATCH] kernel: allow reboots from user_ns Glauber Costa
2013-02-14 12:08 ` Daniel Lezcano
2013-02-14 14:27 ` Serge Hallyn
2013-02-14 14:30 ` Glauber Costa [this message]
2013-02-14 14:58 ` Eric W. Biederman
2013-02-15 7:00 ` Glauber Costa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=511CF51C.6050504@parallels.com \
--to=glommer@parallels.com \
--cc=akpm@linux-foundation.org \
--cc=containers@lists.linux-foundation.org \
--cc=ebiederm@xmission.com \
--cc=linux-kernel@vger.kernel.org \
--cc=serge.hallyn@ubuntu.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox