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From: David Mosberger <davidm@hpl.hp.com>
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Date: Sat, 8 Dec 2001 16:32:46 -0800
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: davidm@hpl.hp.com, marcelo@conectiva.com.br (Marcelo Tosatti),
        akpm@zip.com.au (Andrew Morton), j-nomura@ce.jp.nec.com,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.4.16 kernel/printk.c (per processorinitializationcheck)
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>>>>> On Sat, 8 Dec 2001 20:45:07 +0000 (GMT), Alan Cox <alan@lxorguk.ukuu.org.uk> said:

  Alan> x86_udelay_tsc wont have been set at that point so the main
  Alan> timer is still being used.

  >>  x86 does use current_cpu_data.loops_per_jiffy in the non-TSC
  >> case, no?

  Alan> I believe so.  So we should propogate that across earlier,
  Alan> although its not needed for our current console drivers that I
  Alan> can see

I don't think you can do it early enough.  calibrate_delay() requires
irqs to be enabled and the first printk() happens long before irqs are
enabled on an AP.

	--david
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