Writing Reinitialize Routines
Intermediate-level drivers loading at system boot time may need to delay their initialization until one or more lower-level drivers have finished loading. If the loading of the drivers is under central control, the load sequence can be fixed by setting various Registry entries at installation. But if the drivers are supplied by different vendors, the load order may be indeterminate. In the latter case, the intermediate driver must register and implement a Reinitialize routine.
Execution Context
If the DriverEntry routine discovers that it can't finish its initialization because system bootstrapping hasn't yet gone far enough, it can announce a Reinitialize routine by calling IoRegisterDriverReinitialization. The ...
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