> If there is no other concrete reason other than overflowing for assigning NMI and > #DB with a stack level > 0, #VE should also be assigned with a stack level > 0, and > #BP too. #VE can happen anytime and anywhere, so it is subject to overflowing too. With IDT, both #VE and #BP do not use IST, but NMI, #DB, #MC and #DF do. Let's keep this "secret" logic for now, i.e., not change the stack levels for #VE and #BP at this point. We can do "optimization", i.e., change them later :).
