Re: Changing CPU Speed while running Linux

[Alan Cox]

> Can you dig that out? I'd like to take a look.
> 
> [Of course, problem is *not* solved: you still have short time when
> kernel runs with wrong bogomips.]

Not really. WHen you do the speed change on most of these cpus you have to
do it with IRQs off and with the PCI bridge temporarily disabled as the CPU
disconnects from the bus during speed transititions and cannot take part in
cache coherency