Re: [PATCH 12/16] rtmutex: turn the plist into an rb-tree.

[Peter Zijlstra]

On Wed, 2012-04-11 at 17:11 -0400, Steven Rostedt wrote:
> 
> I have to ask. Why not just add a rbtree with a plist? That is, add all
> deadline tasks to the rbtree and all others to the plist. As plist has a
> O(1) operation, and rbtree does not. We are making all RT tasks suffer
> the overhead of the rbtree.

You always love to add complexity to stuff before making it work, don't
you ;-)

I'm not quite convinced the plist stuff is _that_ much faster, anyway,
its all a stop-gap measure until we can do proper BWI which would wipe
all this code anyway.
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