[Devel] Re: [RFC][PATCH 7/7][v2] Define clone_with_pids syscall

[Sukadev Bhattiprolu]

Sukadev Bhattiprolu [sukadev at linux.vnet.ibm.com] wrote:
| Oren Laadan [orenl at cs.columbia.edu] wrote:

I am not sure what the semantics should be for this case:

	- checkpoint a process that is in level-3 pid namespace
	- restart in a level-2 or level-1 pid namespace

clone_with_pids() will fail now since number of pids specified would
be 4 but kernel expects only 2 or 3. mktree/restart program cannot
figure out current nesting to trim the target-pids.

Should we remove the check of user-pids exceeding the current nesting
level and simply ignore the pids from the older namespaces ?

Sukadev

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