Re: [PATCH 4/3] start the global /sbin/init with 0,0 special pids

From: Eric W. Biederman
Date: Tue Nov 27 2007 - 10:35:48 EST


Pavel Emelyanov <xemul@xxxxxxxxxx> writes:

> Eric W. Biederman wrote:
>> Oleg Nesterov <oleg@xxxxxxxxxx> writes:
>>
>>> As Eric pointed out, there is no problem with init starting with sid == pgid
>>> == 0, and this was historical linux behavior changed in 2.6.18.
>>>
>>> Remove kernel_init()->__set_special_pids().
>>>
>>> This change and the previous change in daemonize() mean that /sbin/init does
>>> not need the special "session != 1" hack in sys_setsid() any longer. We can't
>>> remove this check yet, we should cleanup copy_process(CLONE_NEWPID) first, so
>>> update the comment only.
>>
>> I guess that works. As long as we get there. We just need one more patch
>> in this series to fix the copy_process(CLONE_NEWPID).
>
> I hope this will NOT be the fix that creates the namespace's
> init with the pid == 0 ;)

No just with session == pgrp == (unchanged and thus with vpid 0).

Eric
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