Re: [PATCH] 2.4.16 kernel/printk.c (per processorinitializationcheck)

From: Alan Cox (
Date: Sat Dec 08 2001 - 06:27:19 EST

> 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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This archive was generated by hypermail 2b29 : Sat Dec 15 2001 - 21:00:12 EST