RE: [PATCH v6 2/4] x86: Cleanup and add a new exception class

[Luck, Tony]

> So you're touching those again in patch 2. Why not add those defines to
> patch 1 directly and diminish the churn?

To preserve authorship. Andy did patch 1 (the clever part). Patch 2 is just 
syntactic
sugar on top of it.

-Tony