linux-kernel - Re: [PATCH 1/1][V3] Add reboot_pid

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Message-ID: <4EDD34EE.90704@free.fr>
Date:	Mon, 05 Dec 2011 22:17:34 +0100
From:	Daniel Lezcano <daniel.lezcano@...e.fr>
To:	akpm@...ux-foundation.org
CC:	Oleg Nesterov <oleg@...hat.com>, serge.hallyn@...onical.com,
	containers@...ts.linux-foundation.org, gkurz@...ibm.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1][V3] Add reboot_pid_ns to handle the reboot syscall

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@...e.fr>
>> Acked-by: Serge Hallyn <serge.hallyn@...onical.com>
>> ---
>>  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@...hat.com>

Andrew, do you think it's possible to take this patch upstream ?

Thanks
  -- Daniel
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