cvs commit: src/sys/i386/i386 io_apic.c

John Baldwin jhb at
Fri Jul 29 18:58:34 GMT 2005

jhb         2005-07-29 18:58:33 UTC

  FreeBSD src repository

  Modified files:
    sys/i386/i386        io_apic.c 
  Add a tunable 'hw.apic.enable_extint' that can be set from the loader to
  not mask the ExtINT pin on the first I/O APIC as at least one PIII chipset
  seems to need this even though all of the pins in the 8259A's are masked.
  The default is still to mask the ExtINT pin.
  Reported by:    Mike Tancsa mike at
  MFC after:      3 days
  Revision  Changes    Path
  1.21      +12 -2     src/sys/i386/i386/io_apic.c

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