linux-kernel - Re: TSC unstable on Intel Pentium M processor 750

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Message-ID: <20090430143105.GD28027@khazad-dum.debian.net>
Date:	Thu, 30 Apr 2009 11:31:05 -0300
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Mao Yilu <ylmao@...l.ustc.edu.cn>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: TSC unstable on Intel Pentium M processor 750

On Thu, 30 Apr 2009, Mao Yilu wrote:
> > On Thu, 30 Apr 2009, Mao Yilu wrote:
> > > But I still don't know why the TSC is not correct in the C1 state (hlt
> > > instruction). Is there anything more to influence the TSC? What happened
> > > when the CPU is not running under hlt instruction?
> > 
> > SMIs?  Laptops love that crap...
> 
> What is SMIs?

http://en.wikipedia.org/wiki/System_Management_Mode

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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