Scott Long 9c3a7fce37 Make the aac driver be INTR_MPSAFE. Once the interrupt handler determines
that a command completion happened, all further processing is deferred to
a taskqueue.  The taskqueue itself runs implicetely under Giant, but we
already used a taskqueue for the biodone() processing, so this at least
saves the contesting of Giant in the interrupt handler.
2003-02-19 21:58:34 +00:00
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