Messages in this thread | | | Date | Mon, 23 Mar 2015 09:43:13 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH v3] kprobes: Disable Kprobe when ftrace arming fails |
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On Mon, Mar 23, 2015 at 09:43:17AM -0400, Steven Rostedt wrote: > On Mon, 23 Mar 2015 14:34:42 +0100 > Ingo Molnar <mingo@kernel.org> wrote: > > > > Even if it was documented (it isn't), it's pretty weird terminology - > > please use clearer formulations, like 'patched function' or 'unpatched > > function' or 'function with pending patch'. No need to redefine > > existing words in a weird fashion just to create the appearance of > > being special ... > > > > I think it has to do with their RCU like patching functionality, where > some tasks are still executing the old function and others are > executing the new function. In RCU, there's two "universes" too. One > with the old value, and one with the new. After the grace period has > finished, everything is back to a single "universe". > > I'm not sure RCU uses the term "universe" though. Paul?
I have used "version" for what you call "universe", but mostly in "intro to RCU" guest lectures.
Thanx, Paul
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