An Interrupt Request Level (IRQL) is a hardware-independent means with which Windows prioritizes interrupts that come from the system's processors. On processor architectures on which Windows runs, hardware generates signals that are sent to an interrupt controller.
An Interrupt Request Level (IRQL) is a hardware-independent means with which Windows prioritizes interrupts that come from the system's processors. On processor architectures on which Windows runs, hardware generates signals that are sent to an interrupt controller.
Source: Wikipedia "IRQL" · CC BY-SA 4.0
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