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Date: Tue, 18 Oct 2005 12:47:22 -0700
From: Nate Lawson <nate@root.org>
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To: Andre Oppermann <andre@freebsd.org>
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Cc: cvs-src@freebsd.org, Poul-Henning Kamp <phk@phk.freebsd.dk>,
	src-committers@freebsd.org,
	Andrew Gallatin <gallatin@cs.duke.edu>, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/amd64/amd64 cpu_switch.S machdep.c
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Andre Oppermann wrote:
> Poul-Henning Kamp wrote:
> 
>>In message <435527DD.3040007@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