cvs commit: src/sys/amd64/amd64 cpu_switch.S machdep.c

[Nate Lawson]

Andre Oppermann wrote:
> Poul-Henning Kamp wrote:
> 
>>In message <435527DD.3040007 at root.org>, Nate Lawson writes:
>>
>>
>>>I have good information that in the near future, most designs will have
>>>guaranteed synchronized TSC across all CPUs.
>>
>>...and when those chips arrive, we can hopefully identify them by some
>>bit in some MSR and then we can use the TSC on them.
>>
>>This is a good move and it is only too bad that it's taken the chip
>>manufacturers 10 years to figure this out.
> 
> 
> Considering that Nate knows about it and that it took cpu manufacturers
> so I suspect they did it to make some DRM schemes work.

Nah, ACPI tables on new machines tend to give info about what major OS 
vendors will soon support.

-- 
Nate