Re: [PATCH RFC] sched: deferred set priority (dprio)

From: Pavel Machek
Date: Wed Jul 30 2014 - 09:02:45 EST


> One of the intended purposes of this facility (but its not sole purpose) is to
> render a lightweight mechanism for priority protection of lock-holding critical
> sections that would be an adequate match for lightweight locking primitives
> such as futex, with both featuring a fast path completing within the
> userspace.

Do we get a manpage describing the interface...?

Would it make sense to make set_priority a "vsyscall" so it is fast
enough, and delayed_set_priority does not need to be exposed to

(cesky, pictures)
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