Re: [PATCH 2/3] x86: Remove cmpxchg from i386 NMI nesting code

[Maciej W. Rozycki]

On Sun, 10 Jun 2012, H. Peter Anvin wrote:

> Just use a VM or a simulator.

 That wasn't completely serious ;) -- however thanks for the hint.  I 
wonder actually if any piece of software would let the code run in a 
"pass-through" mode and record what I/O accesses went past.  I reckon 
DOSEMU used to support that (and running the VGA BIOS) -- but that piece 
did indeed require vm86.  Then the sequence recorded could be replayed 
natively.

 Thanks for the food for thought! :)

  Maciej
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