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由 Len Brown 提交于
Processor idle power states C2 and C3 stop the TSC on many machines. Linux recognizes this situation and marks the TSC as unstable: Marking TSC unstable due to TSC halts in idle But if those same machines are booted with "processor.max_cstate=1", then there is no need to validate C2 and C3, and no need to disable the TSC, which can be reliably used as a clocksource. Signed-off-by: NLen Brown <len.brown@intel.com> Acked-by: NThomas Gleixner <tglx@linutronix.de>
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