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| /freebsd-10.2-release/sys/x86/cpufreq/ | ||
| H A D | est.c | diff 260473 Thu Jan 09 10:48:32 MST 2014 mav MFC r259197: Do not DELAY() for P-state transition unless we want to see the result. Intel manual says: "If a transition is already in progress, transition to a new value will subsequently take effect. Reads of IA32_PERF_CTL determine the last targeted operating point." So seems it should be fine to just trigger wanted transition and go. Linux does the same. |
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