linux-kernel - Re: [PATCH 0/7][v8] Container-init signal semantics

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Message-Id: <1236455509.9151.4.camel@bahia>
Date:	Sat, 07 Mar 2009 20:51:49 +0100
From:	Greg Kurz <gkurz@...ibm.com>
To:	Daniel Lezcano <daniel.lezcano@...e.fr>
Cc:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Containers <containers@...ts.osdl.org>,
	Oleg Nesterov <oleg@...sign.ru>, roland@...hat.com
Subject: Re: [PATCH 0/7][v8] Container-init signal semantics

On Sat, 2009-03-07 at 20:43 +0100, Daniel Lezcano wrote:
>         case LINUX_REBOOT_CMD_HALT:
> -               kernel_halt();
> -               unlock_kernel();
> -               do_exit(0);
> +               if (power_off_pid_ns(current->nsproxy->pid_ns)) {
> +                       kernel_halt();
> +                       unlock_kernel();
> +                       do_exit(0);
> +               }

Even if current will get SIGKILLed when zap_pid_ns_processes() is
called, I see no reason it doesn't call do_exit(0).

>                 break;
> 
>         case LINUX_REBOOT_CMD_POWER_OFF:
> -               kernel_power_off();
> -               unlock_kernel();
> -               do_exit(0);
> +               if (power_off_pid_ns(current->nsproxy->pid_ns)) {
> +                       kernel_power_off();
> +                       unlock_kernel();
> +                       do_exit(0);
> +               }

Same.

>                 break;
> 
-- 
Gregory Kurz                                     gkurz@...ibm.com
Software Engineer @ IBM/Meiosys                  http://www.ibm.com
Tel +33 (0)534 638 479                           Fax +33 (0)561 400 420

"Anarchy is about taking complete responsibility for yourself."
        Alan Moore.

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