Date: Tue, 18 Oct 2005 20:49:17 +0200 From: Andre Oppermann <andre@freebsd.org> To: Poul-Henning Kamp <phk@phk.freebsd.dk> 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 Message-ID: <435543AD.283EC0D@freebsd.org> References: <69576.1129658248@critter.freebsd.dk>
next in thread | previous in thread | raw e-mail | index | archive | help
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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?435543AD.283EC0D>