btw., now that it's getting into shape, could you please fix the ftrace
portion:
... to not have known bugs, so that we could try it in tip/ftrace and
make sure it works well in practice?
it's a ton of changes already, it would be nice to get to some stable
known-working state and do delta patches from that point on, and keep
its 'works well' quality.
Ingo
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