linux-kernel - Re: AMD X2 unsynced TSC fix?

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Message-ID: <20061027215843.GA11614@localhost.ntlworld.com>
Date:	Fri, 27 Oct 2006 22:58:43 +0100
From:	Friedrich Göpel <shado23@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: AMD X2 unsynced TSC fix?

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@...e.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
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