Messages in this thread | | | Date | Fri, 3 Aug 2012 13:31:44 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH 1/5] code_domain: New code domain tracking susbsystem |
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On Fri, Aug 03, 2012 at 04:09:39PM -0400, Steven Rostedt wrote: > On Fri, 2012-08-03 at 21:45 +0200, Ingo Molnar wrote: > > * Frederic Weisbecker <fweisbec@gmail.com> wrote: > > > > > Create a new subsystem that handles the probing on kernel > > > boundaries to keep track of the transitions between code > > > domains with two basic initial domains: user or kernel. > > > > To do a bit more bike shed painting, I'd call it "context > > tracking" - user mode, kernel mode (guest mode, etc.). > > > > The term 'code domain' would bring up blank stares from most > > kernel developers, me thinks. > > Heh, that would be a second new term I heard this week for context. > Earlier, I noticed that Paul McKenney called it 'levels'. So now there's > four names: > > user/kernel context > user/kernel state > user/kernel level > user/kernel domain > > And we could probably add a fifth: > > user/kernel mode
Plus:
user/kernel space
> ;-)
Then there is "supervisor", "system", "privileged", and who knows what all else for "kernel". And "application" and "problem" and probably others for "user".
Thanx, Paul
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