For most UNIX systems, Linux included, device drivers typically divide the work of processing interrupts into two parts or halves. The first part, the top half, is the familiar interrupt handler, ...

The kernel is the core part of an operating system responsible for managing system resources and facilitating communication between hardware and software. One of its critical functions is handling ...

A computer cannot meet its requirements unless it communicates with its external devices. An interrupt is a communication gateway between the device and a processor. The allocation of an interrupt ...

// The following externals are global variables defined in uart-interrupt.c for use with the interrupt handler. // Using extern here, the global variables become visible to other c files that include ...

In “Handler Migration and Direct Interrupt Scheduling,” Jupyung Lee and Kyu Ho Park of the Korea Advanced Institute of Science and Technology describe two techniques to minimize the scheduling latency ...