• Implement and use a common device bus state.  The main side-effect is
    that creating a bus and attaching it to a parent device are no longer
    separate operations.  For legacy code we allow a NULL parent, but that
    should go away eventually.
    
    Also tweak creation code to veriry theat a device in on the right bus.
    
    Signed-off-by: Paul Brook <paul@codesourcery.com>
    Paul Brook authored
     
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  • Add the parameter 'order' to qemu_register_reset and sort callbacks on
    registration. On system reset, callbacks with lower order will be
    invoked before those with higher order. Update all existing users to the
    standard order 0.
    
    Note: At least for x86, the existing users seem to assume that handlers
    are called in their registration order. Therefore, the patch preserves
    this property. If someone feels bored, (s)he could try to identify this
    dependency and express it properly on callback registration.
    
    Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
    Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
    Jan Kiszka authored
     
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