On October 22, 2017 3:04:29 PM GMT+02:00, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: >I realize this is an erratum work around, but would it be too much to >ask for a small comment explaining the magic values? Revision guide doesn't state what those bits are. By the looks of it, they could be some sort of chicken bits turning off something. >Except for all CPUs that were not online at this point in time... So >suppose I boot with a limited number of CPUs and then later bring up >the >rest, bad things happen. Well, those are small laptops and they're 1 or 2 CPUs tops and you really really really have to try to shoot yourself in the foot... -- Sent from a small device: formatting sux and brevity is inevitable.