[Devel] Re: [PATCH 5/6][cr-test][v2]: eclone-5: nr_pids must not exceed nesting level

Sukadev Bhattiprolu sukadev at linux.vnet.ibm.com
Tue Feb 9 17:28:31 PST 2010

Serge E. Hallyn [serue at us.ibm.com] wrote:
| Quoting Sukadev Bhattiprolu (sukadev at linux.vnet.ibm.com):
| > 
| > From: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
| > Date: Mon, 1 Feb 2010 18:13:51 -0800
| > Subject: [PATCH 5/6] eclone-5: nr_pids must not exceed nesting level
| > 
| > Verify that eclone() fails if nr_pids exceeds the current nesting level
| > of pid namespaces. Also verify that eclone() succeeds in choosing a pid
| > for a process in a descendant pid namespace.
| This is a bit of a shame - it failed for me at first because I was
| running it inside a container.  But there is no way for a task to
| know it's own nsdepth right?

Nope - or at least I don't know of any way.

We could modify the test to set nr_pids to a ridiculously large value
just to test that eclone() fails when nr_pids exceeds nesting level.

| So I went ahead and pushed these tests (plus a few changes).


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