linux-kernel - Re: PROBLEM: E6850 has an 8+ minute delay during boot

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Message-ID: <9a8cbed90712141600l1a867da0uc7027e502575a7a6@mail.gmail.com>
Date:	Fri, 14 Dec 2007 19:00:40 -0500
From:	"Arun Thomas" <arun.thomas@...il.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"Thomas Gleixner" <tglx@...utronix.de>,
	"Jiri Slaby" <jirislaby@...il.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, "Ingo Molnar" <mingo@...e.hu>
Subject: Re: PROBLEM: E6850 has an 8+ minute delay during boot

On Dec 14, 2007 2:01 PM, H. Peter Anvin <hpa@...or.com> wrote:
> Thomas Gleixner wrote:
> >
> > The problem is caused by an SMI during the calibration routine. We
> > really need to come up with a solid solution which does not rely on
> > the periodic timer coming in, when there is something else (HPET,
> > pm_timer) available.
>
> How long is the SMI?

Is there some instrumentation code somewhere which would allow me to
determine this? If not, can you give me some hints on where to add the
instrumentation code?

Thanks,
Arun
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