Re: [PATCH -mm 7/8] user_ns: handle file sigio

[ ... ]

> Rewriting the userns testcases right now.  Clearly, in addition to
> separately testing clone and unshare, I need to add a sigioperm check,
> and have a separate set of testcases for CONFIG_USER_NS=n.

Could we get rid of CONFIG_USER_NS ? 

It doesn't look that useful anyway, it just deactivates the unshare 
capability for the user namespace. 

Same question for the other mainline namespaces, IPC and utsname. 

C.
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Follow-Ups:
- [PATCH -mm] user_ns: remove CONFIG_USER_NS
  - From: Cedric Le Goater <[email protected]>

References:
- [PATCH -mm 0/8] user ns: Introduction
  - From: "Serge E. Hallyn" <[email protected]>
- [PATCH -mm 7/8] user_ns: handle file sigio
  - From: "Serge E. Hallyn" <[email protected]>
- Re: [PATCH -mm 7/8] user_ns: handle file sigio
  - From: Andrew Morton <[email protected]>
- Re: [PATCH -mm 7/8] user_ns: handle file sigio
  - From: "Serge E. Hallyn" <[email protected]>
- Re: [PATCH -mm 7/8] user_ns: handle file sigio
  - From: Cedric Le Goater <[email protected]>
- Re: [PATCH -mm 7/8] user_ns: handle file sigio
  - From: "Serge E. Hallyn" <[email protected]>

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