6 ms·It's not a risk or anything, but it does waste power compared to using the HLT instruction.by TillE 3y agoIt's not a risk or anything, but it does waste power compared to using the HLT instruction.innocenat 3y agoI think you need CLI; HLT as HLT by itself still allow machine to be woke up from interrupt.bpye 3y agoEven with interrupts enabled sticking a HLT in that loop would be better than not.