KeLowerIrql routine
The KeLowerIrql routine restores the IRQL on the current processor to its original value.
Syntax
VOID KeLowerIrql( _In_ KIRQL NewIrql );
Parameters
- NewIrql [in]
-
Specifies the IRQL that was returned from KeRaiseIrql.
Return value
None
Remarks
It is a fatal error to call KeLowerIrql using an input NewIrql that was not returned by the immediately preceding call to KeRaiseIrql.
Requirements
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Version | Available starting with Windows 2000. |
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Header |
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Library |
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IRQL | Any level |
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DDI compliance rules | IrqlKeRaiseLower, IrqlKeRaiseLower2, HwStorPortProhibitedDDIs |
See also
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Build date: 5/2/2013
