Re: AMD X2 unsynced TSC fix?

Friedrich Göpel
2006-10-27T21:58:47Z

On 13:15 Fri 27 Oct , Lee Revell wrote:
> Someone recently pointed out to me that a Windows "CPU driver update"
> supplied by AMD fixes the unsynced TSC problem on dual core AMD64
> systems.
>
...
> What are the chances of Linux getting a similar fix?
>
> Lee
>

Hi,

This post earlier seems to suggest someone is indeed working on
something similar, if I'm understanding this correctly:
http://lkml.org/lkml/2006/10/27/27

quote:
> Jiri Bohac (jbohac@suse.cz) is currently working on a new timekeeping code for
> x86-64 that takes a significantly different approach that allows for
> precise and fast gettimeofday even on CPUs with unsynchronized TSCs.

Cheers,

Friedrich Göpel