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

Poul-Henning Kamp phk at phk.freebsd.dk
Tue Oct 18 10:57:31 PDT 2005


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.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.


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