User-space interrupts

Posted Sep 18, 2024 7:09 UTC (Wed) by intelfx (subscriber, #130118)
In reply to: User-space interrupts by renox
Parent article: User-space interrupts

Like Cyberax said... this is exactly the instruction(s) that the kernel runs in each and every idle loop :-) And, incidentally, this is exactly how cpuidle works at least on x86 — via different "wait for interrupt" instructions.