SMIs Are EEEEVIL (Part 2)

In Part 1, I discussed a bit of the history and function of SMIs.  How does this make them EEEEVIL, is the question? Essentially, SMIs are the final word in what happens on a CPU, outside of removing power.  They cannot be interrupted, even by a Non-Maskable Interrupt (NMI).  Also, since they are not assertable…

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