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Subject: Re: [PATCH] 2.4.16 kernel/printk.c (per processorinitializationcheck)
To: davidm@hpl.hp.com
Date: Sat, 8 Dec 2001 11:27:19 +0000 (GMT)
Cc: marcelo@conectiva.com.br (Marcelo Tosatti),
        akpm@zip.com.au (Andrew Morton), j-nomura@ce.jp.nec.com,
        linux-kernel@vger.kernel.org
In-Reply-To: <15377.26745.265632.705793@napali.hpl.hp.com> from "David Mosberger" at Dec 07, 2001 05:10:17 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> I'm no x86 expert, but I have the impression that
> current_cpu_data.loops_per_jiffy will be invalid (probably 0) until
> smp_store_cpu_info() is called in smp_callin().  If so, a console
> driver using udelay() might not work properly.  I suspect there are
> other issues, but this is just based on looking at the x86 source code
> for 5 minutes.

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