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Date: Tue, 18 Oct 2005 20:49:17 +0200
From: Andre Oppermann <andre@freebsd.org>
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To: Poul-Henning Kamp <phk@phk.freebsd.dk>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org,
	Andrew Gallatin <gallatin@cs.duke.edu>, cvs-all@FreeBSD.org,
	Nate Lawson <nate@root.org>
Subject: Re: cvs commit: src/sys/amd64/amd64 cpu_switch.S machdep.c
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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.

-- 
Andre