From: "Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: Daniel Hokka Zakrisson <daniel-nym3zxDgnZcAvxtiuMwx3w@public.gmane.org>
Cc: Linux Containers
<containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>,
Daniel Lezcano <dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
Subject: Re: [patch 1/1][RFC] do not sys_reboot when not in init_pid_ns
Date: Sun, 2 Nov 2008 17:04:14 -0600 [thread overview]
Message-ID: <20081102230414.GA11149@us.ibm.com> (raw)
In-Reply-To: <54333.2001:16d8:ff15:101:219:d2ff:fed5:8193.1225584965.squirrel@intranet>
Quoting Daniel Hokka Zakrisson (daniel-nym3zxDgnZcAvxtiuMwx3w@public.gmane.org):
> Daniel Lezcano wrote:
> >
>
> Wouldn't it be better to simply remove CAP_SYS_BOOT from containers
> until sys_reboot emits some signal to userspace to restart/halt the
> container? (This is what we do in Linux-VServer.)
>
> --
> Daniel Hokka Zakrisson
Yeah that makes more sense to me.
Note that otherwise your patch still lets the container mess with
sys_kexec_load(), for instance.
-serge
next prev parent reply other threads:[~2008-11-02 23:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-02 0:00 [patch 1/1][RFC] do not sys_reboot when not in init_pid_ns Daniel Lezcano
[not found] ` <490CEDA0.6020800-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-11-02 0:16 ` Daniel Hokka Zakrisson
2008-11-03 18:59 ` Dave Hansen
[not found] ` <54333.2001:16d8:ff15:101:219:d2ff:fed5:8193.1225584965.squirrel@intranet>
2008-11-02 23:04 ` Serge E. Hallyn [this message]
2008-11-04 20:40 ` Daniel Lezcano
[not found] ` <4910B34B.7070901-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2008-11-04 21:01 ` Serge E. Hallyn
[not found] ` <20081104210134.GA6238-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-11-04 21:39 ` Daniel Lezcano
2008-11-04 22:14 ` Daniel Lezcano
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