Re: [RFC patch 0/4] TSC calibration improvements

From: Alan Cox
Date: Thu Sep 04 2008 - 14:08:56 EST


> (And yes, I do the latching - it's not reqlly required since I only depend
> on the MSB, and it actually makes for slightly lower precision, but it's
> the "safe" thing. And I figured out that the reason I thought that the

Good job you don't. Various Cyrix/Geode chipsets have as errata #2

"Counter latch command is non-operational in the 8254 timer"

Alan
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