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

From: David Mosberger (
Date: Sat Dec 08 2001 - 19:32:46 EST

>>>>> On Sat, 8 Dec 2001 20:45:07 +0000 (GMT), Alan Cox <> 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.

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This archive was generated by hypermail 2b29 : Sat Dec 15 2001 - 21:00:13 EST