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

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Date:	Sat, 07 Mar 2009 20:59:56 +0100
From:	Daniel Lezcano <daniel.lezcano@...e.fr>
To:	Greg Kurz <gkurz@...ibm.com>
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

Greg Kurz wrote:
> 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).
Right and unlock_kernel too :)
>   
>>                 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;
>>
>>     

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