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From: Daniel Lezcano <daniel.lezcano-GANU6spQydw@public.gmane.org>
To: Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
	containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 1/1][V3] Add reboot_pid_ns to handle the reboot syscall
Date: Mon, 05 Dec 2011 22:16:11 +0100	[thread overview]
Message-ID: <4EDD349B.2030806@free.fr> (raw)
In-Reply-To: <20111205204238.GA7422-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

On 12/05/2011 09:42 PM, Oleg Nesterov wrote:
> On 12/04, Daniel Lezcano wrote:
>> This patch propose to store the reboot value in the 16 upper bits of the
>> exit code from the processes belonging to a pid namespace which has
>> rebooted. When the reboot syscall is called and we are not in the initial
>> pid namespace, we kill the pid namespace.
>>
>> By this way the parent process of the child pid namespace to know if
>> it rebooted or not and take the right decision.
>>
>> Signed-off-by: Daniel Lezcano <daniel.lezcano-GANU6spQydw@public.gmane.org>
>> Acked-by: Serge Hallyn <serge.hallyn-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
>> ---
>>  include/linux/pid_namespace.h |    8 +++++++-
>>  kernel/pid_namespace.c        |   33 +++++++++++++++++++++++++++++++++
>>  kernel/sys.c                  |    3 +++
>>  3 files changed, 43 insertions(+), 1 deletions(-)
> Signed-off-by: Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

Looks like our emails crossed by the wire :)
Thanks again Oleg for your comments and your help.

  -- Daniel

  parent reply	other threads:[~2011-12-05 21:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-04 20:24 [PATCH 0/1][V3] Handle reboot in a child pid namespace Daniel Lezcano
     [not found] ` <1323030290-22216-1-git-send-email-daniel.lezcano-GANU6spQydw@public.gmane.org>
2011-12-04 20:24   ` [PATCH 1/1][V3] Add reboot_pid_ns to handle the reboot syscall Daniel Lezcano
     [not found]     ` <1323030290-22216-2-git-send-email-daniel.lezcano-GANU6spQydw@public.gmane.org>
2011-12-05 18:35       ` Serge Hallyn
2011-12-05 20:42       ` Oleg Nesterov
     [not found]         ` <20111205204238.GA7422-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2011-12-05 21:16           ` Daniel Lezcano [this message]
2011-12-05 21:17           ` Daniel Lezcano
2011-12-07  1:16       ` Andrew Morton
     [not found]         ` <20111206171617.e31bc3a6.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2011-12-07 15:12           ` Oleg Nesterov
2011-12-07 21:36           ` Daniel Lezcano
2011-12-04 21:27   ` [PATCH 0/1][V3] Handle reboot in a child pid namespace Henrique de Moraes Holschuh
     [not found] ` <20111204212756.GB16362@khazad-dum.debian.net>
     [not found]   ` <20111204212756.GB16362-ZGHd14iZgfaRjzvQDGKj+xxZW9W5cXbT@public.gmane.org>
2011-12-04 23:08     ` Daniel Lezcano
     [not found]       ` <4EDBFD67.1040009-GANU6spQydw@public.gmane.org>
2011-12-05 20:49         ` Daniel Lezcano
     [not found]           ` <4EDD2E5C.1050107-GANU6spQydw@public.gmane.org>
2011-12-05 20:51             ` Oleg Nesterov
2011-12-05 20:50         ` Oleg Nesterov

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