Messages in this thread | | | Date | Mon, 2 Mar 2015 10:24:40 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH] module: Optimize __module_address() using a latched RB-tree |
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On Sat, Feb 28, 2015 at 03:32:03PM -0800, Paul E. McKenney wrote: > Whew! > > Though otherwise whatever you were doing would have been pretty cool > and fun to learn about. ;-)
So I think I can do that; where readers and writers are fully separated, but it requires:
- tripple latch - copy operator - nested RCU
And the result would be horribly expensive (mostly due to the copy operator on dynamic data structures) on the update side, which severely limits the applicability of the scheme.
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