When talking about microcontrollers and embedded software, the term interrupt often appears.Timer interrupts, external ...
Just as you can often treat device registers as a memory-mapped struct, you can treat an interrupt vector as a memory-mapped array. In my last column, I suggested that you use casts sparingly and with ...
AMD and Intel recently started changing how the x86 chip architecture will handle exceptions. Linus Torvalds, in turn, gave his take on their new approach for forthcoming generations of CPUs. Torvalds ...
Abstract: This application note explains the function of a CPU supervisor and how it can monitor a system. The article discusses the function of a watchdog timer, chip-enable gating pin, and a sense ...
The software-interrupt mechanism is one of the oldest parts in the kernel; arguably, the basic design behind it predates Linux itself. Software interrupts can get in the way of other work so, for ...
Receive Segment Coalescing (RSC) is not a new idea. Microsoft introduced it in Windows Server 2012 to reduce the networking workload on the server CPU. Each network packet produces a processor ...
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