timecounting with TSC doesn't work properly on my notebook

[Poul-Henning Kamp]

In message <4421D322.3010901 at digifonica.com>, Maksym Sobolyev writes:
>Hi,
>
>After updating to the recent current (previous one was circa end-2005) I 
>have found that time on machine goes by 3-4 times faster than wallclock 
>  with TSC timecounter. Selecting ACPI-safe instead helps.

It should not default to TSC if it has ACPI-safe.

The TSC varies with power-save featurs on most laptops.

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