Re: Race betwen the NMI handler and the RTC clock in practially all kernels

[Andi Kleen]

> One should never use the write-offset-address/read-value
> sequence of the CMOS as some kind of timer. You don't

Linux doesn't use it as timer. It just wants to change the 
NMI enable bit, which for some unknown reason is in the same register.

-Andi
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