Jason Thorpe <thorpej@nas.nasa.gov> writes:

 >Oh, I will also add that a sysctl just ISN'T appropriate given how
 >our sysctl interface works.  It's not currently possible to have
 >device-instance-specific sysctls, and there aren't currently any
 >sysctl top-levels in which a PCMCIA IRQ mask sysctl would be appropriate.

_if_ we're contemplating a hack as a stopgap till a real solution
appears, we can always drop it under machdep.  machdep.pcmciaintrmask
or machdep.pcmcia.intrmask?