IrqlKeRaiseLower2 rule (wdm)

The IrqlKeRaiseLower2 rule specifies that drivers use KeLowerIrql to restore the original IRQL raised by a preceding call to KeRaiseIrql or KeRaiseIrqlToDpcLevel.

This rule permits nested calls to KeRaiseIrql, KeRaiseIrqlToDpcLevel and KeLowerIrql.

Driver modelWDM

How to test

At compile time

Run Static Driver Verifier and specify the IrqlKeRaiseLower2 rule.

Use the following steps to run an analysis of your code:
  1. Prepare your code (use role type declarations).
  2. Run Static Driver Verifier.
  3. View and analyze the results.

For more information, see Using Static Driver Verifier to Find Defects in Drivers.

Applies to

KeLowerIrql
KeRaiseIrql
KeRaiseIrqlToDpcLevel

See also

IrqlKeDispatchLte
IrqlKeRaiseLower

 

 

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