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SubjectRE: Udelay and new CPUs

On 20-Jan-00 Alan Cox wrote:
>> How does Linux on the TM3120 (and TM5400) cope with the variable speed
>> in which the udelay loop is executed?
>
> Im told the next gen intel CPU's our udelay() wont work. I'm not under any
> wonderous NDA's so I dont know why or what magic is planned, but an RDTSC
> based udelay() has to get done anyway

Do the Transmeta chips emulate a TSC which goes at a constant rate, even though
they dynamically change core frequency?

J

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