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    SubjectRe: Improve init/Kconfig help descriptions [PATCH 3/9]
    On Tue, Feb 19, 2008 at 05:42:07PM +0300, Pavel Emelyanov wrote:
    > Nick Andrew wrote:
    > > On Wed, Feb 20, 2008 at 01:06:09AM +1100, Nick Andrew wrote:
    > >> Here is a series of 9 patches to init/Kconfig intended to improve the
    > >> usefulness and consistency of the help descriptions. The patches are
    > >> against linux-2.6.24.2.
    > >> [...]
    > >> Patch 3
    > >> USER_NS
    > >> PID_NS
    >
    > What about UTS_NS, IPC_NS and NET_NS?
    > Their descriptions can be improved in the same way :)

    So far I have edited only init/Kconfig, that's what these 9
    patches are for. Next I'll do block/Kconfig. Eventually I expect
    to get to net/Kconfig which is where NET_NS is configured,
    but I don't know where UTS_NS and IPC_NS come from in 2.6.24.2.

    I expect I'll have to start patching against a git tree soon,
    to be sure to see the latest code. I assume this should be
    Linus' tree?

    Is there any actual documentation on user namespaces and friends?
    I think I grasp the pid namespaces concept; I am having a little
    difficulty visualising what function user namespaces performs.
    "provide different user info" isn't a very useful description and
    I'd fix it if I understood what it is supposed to mean.

    To make a guess at it, how about:

    Enable support for user namespaces.

    This is a function used by container-based virtualisation systems
    (e.g. vservers). User namespaces ensures that processes with the
    same uid which are in different containers are isolated from each other.

    Answer Y if you require container-based virtualisation like
    vservers. If unsure, say N.

    Nick.
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