>It would be nice if there was a way to use Intel's debug registers to write a value to some address, which would then interrupt some kernel task Apparently In

>It would be nice if there was a way to use Intel's debug registers to write a value to some address, which would then interrupt some kernel task Apparently Intel cpus were supposed to get user space interrupts which would do exactly this. I'm not sure of hardware was ever shipped with support though. Also look into monitor/mwait.