On Wed, Aug 21, 2013 at 03:14:23PM +0200, David Jander wrote: > Here's the explanation:
> 1. If a driver initializes a regmap with a RB-tree cache, and starts writing > to > registers in some arbitrary order, you might get overlapping rbnodes: > Suppose I have this rb-tree (a real case I happen to have): > # cat /sys/kernel/debug/regmap/1-000a/rbtree > 2-19 (24) > 4-1b (24) Like I say this isn't supposed to be the case in the first place, those two nodes should be being merged - what we need to understand is where the overlapping nodes came from.
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