Quoting David Newall ([email protected]):
> Serge E. Hallyn wrote:
>> No reason for any new parameters to pivot_root. Just clone your mounts
>> namespace first.
>>
>> unshare(CLONE_NEWNS);
>> chdir(new_dir);
>> pivot_root(new_dir, oldroot);
>>
>> Since pivot_root actually fiddles with the vfsmnts, this is really the
>> only way to go about having it "work with just one process".
>
> I think the point is that, whereas we'd like to be able to pivot the root
> for a single process, in practice this causes startup issues to which the
> easy solution is to pivot the whole system. At least that's my reading of
> the man page.
>
> It might be tidy if pivot_root could be used (instead of a hack based on a
> chroot bug), but it'd still be unportable.
It can.
Please re-read my previous msg.
-serge
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