Folks,
What is the documented/supported behavior for modunload(1M) when it is done on
a driver module? Does it guarantee that detach(9E) is called for all attached
device instances before _fini(9e) is called?
The detach(9E) man page implies that this is the case -
If detach() determines a particular instance of the device
cannot be removed when requested because of some exceptional
condition, detach() must return DDI_FAILURE, which prevents
the particular device instance from being detached. This
also prevents the driver from being unloaded.
But, modunload(1M) man page is silent on this.
Thanks,
-Krishna
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