Ingo Molnar wrote:
> ugh. Please take it from me: i've watched the Linux time code walk its
> long, rocky 10+ years road. One of the first mistakes was when we made
> the TSC the center of the i386-time universe. (incidentally, it was me
> who did the first steps of that, as a rookie kernel hacker) We got cured
> out of that in v2.6.19, v2.6.20 and v2.6.21. Granted, Xen is only at the
> beginning of that same road. Meet in another 10 years? ;)
Yep, the tsc has myriad problems; for Xen its the best of a bad lot.
Unfortunately in 10 years no clearly better alternative has appeared;
maybe in 10 years there will be one. It might even be the tsc.
J
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