Pavel Emelianov [[email protected]] wrote:
| This is "submition for inclusion" of hierarchical, not kconfig
| configurable, zero overheaded ;) pid namespaces.
|
| The overall idea is the following:
|
| The namespace are organized as a tree - once a task is cloned
| with CLONE_NEWPIDS (yes, I've also switched to it :) the new
Can you really clone() a pid namespace all by itself ?
copy_namespaces() has the following:
if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER)))
return 0;
doesn't it mean you cannot create a pid namespace using clone() unless
one of the above flags are also specified ?
unshare_nsproxy_namespaces() has the following correct check:
if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
CLONE_NEWUSER | CLONE_NEWPIDS)))
return 0;
BTW, why not use CLONE_NEWPID and drop the 'S' ? We don't have 'S' with
other namespaces.
Suka
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