Too late, probably.  We might need an escape clause for the boot
CPU there.
>  The next is that it does inhibit a
> rather large block of printks.  Is this ok?
They get buffered, so the info will come out eventually.  But we do want
it to come out in a timely manner.
 
> Mind you, I have not tried it yet...
I think it's the right approach.  I can take poke at it if you like.
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