>>>>> "Chuck" == Chuck Silvers <chuq@chuq.com> writes:

Chuck> one thing to be careful of here: you must not allow nested
Chuck> interrupts of the same level as the one you're currently
Chuck> processing as long as the interrupt handler is using any stack
Chuck> space.

This change only affects the UserGenException code path, which isn't
called anytime during interrupt processing, so there's chance of
nested interrupts here.

- S