Hi,
Bus names are chosen by the system as follows:
* If the driver of the parent device model provides a name, use that.
* Else, if the parent device has id ID, use ID.NUM, where NUM is the bus
number, counting from zero in creation order.
* Else, use TYPE.NUM, where TYPE is derived from the bus type, and NUM
is the bus number, as above.
### Paul proposes to drop ID.NUM.
### Paul proposes to either drop TYPE.NUM (and require drivers to
provide bus names), or make NUM count separately for each bus type.
I agree, instance numbers are not stable.
NUM in the child bus name has *nothing* to do with the savevm instance
number.
cheers,
Gerd
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