In Linux, top-halves are the real interrupt handler: It just tells the kernel to run the bottom half, and exits.
Questions tagged [top-halves]
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Which stack is used by Interrupt Handler - Linux
In a multitasking system when any hardware generates a interrupt to a particular CPU, where CPU can be performing either of below cases unless it is already serving a ISR:
User mode process is executing on CPU
Kernel mode process is executing on…

Sunil Bojanapally
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Top halves and bottom halves concept clarification
As per the guide lines of Top halves and Bottom halves, When any interrupt comes it is handled by two halves. The so-called top half is the routine that actually responds to the interrupt—the one you register with request_irq. The bottom half is a…

sagar
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