Re: [RFC] CPUID usage for interaction between Hypervisors and Linux.

From: H. Peter Anvin
Date: Wed Oct 01 2008 - 21:15:12 EST


H. Peter Anvin wrote:

Ah, if it was only that simple. Transmeta actually did this, but it's not as useful as you think.


For what it's worth, Transmeta's implementation used CPUID leaf 0x80860001.ECX to give the TSC frequency rounded to the nearest MHz. The caveat of spread-spectrum modulation applies.

-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/