RE: Dual core Athlons and unsynced TSCs

On Fri, 13 Jan 2006, john stultz wrote:

>
> This is as I understand it:
>
> With 2.6.15 on x86-64:
> 	If available, alternate timesources (HPET, ACPI PM) will be used if
> available on AMD SMP systems. (clock= is i386 only)

Hmm, should I boot without the clock= to prove this?

-- Steve

>
> With 2.6.15 on i386:
> 	If CONFIG_X86_PM_TIMER is enabled, and available it is the preferred
> clocksource over the TSC.  Some distros have changed this priority
> causing the TSC to be preferred. In these cases clock=pmtmr is needed.
>
> How's that?
> -john
>
>
>
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