Time namespaces

The kernel's namespace abstraction allows different groups of processes to have different views of the system. This feature is most often used with containers; it allows each container to have its own view of the set of running processes, the network environment, the filesystem hierarchy, and more. One aspect of the system that remains universal, though, is the concept of the system time. The recently posted time namespace patch set (from Dmitry Safonov with a lot of work by Andrei Vagin) seeks to change that.

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