[Devel] Re: [PATCH] namespaces: uts_ns: make information visible via /proc/PID/uts directory

[Sam Vilain]

Sam Vilain wrote:

>I didn't grab uts_sem.  That semaphore could be made per-uts_ns, in
>theory.  Whether anyone cares about contention that much is another
>question.
>  
>

FWIW, the uts_sem isn't mentioned anywhere in the
/proc/sys/kernel/osname sysctl, either.  So that interface probably
isn't safe on SMP/preempt.

Sam.