Re: [BUG] x86_udelay_tsc not honoring notsc

From: William Lee Irwin III (
Date: Thu Sep 19 2002 - 23:09:05 EST

At some point in the past, I wrote:
>> If so, it's probably not worth mucking around with the bootstrap
>> sequence to deal with something this minor. It's not like it can
>> be mistaken for having hung, as console output is very consistent.
>> Maybe we should give NUMA-Q a couple of minutes instead of 5s?

On Thu, Sep 19, 2002 at 09:00:09PM -0700, Martin J. Bligh wrote:
> Nah, just recode the boot sequence to make them all boot in
> parallel ;-)
> M.

Do you think cpu wakeup alone could be doing this? If so, then doing
that bit would be relatively isolated (though a slightly larger diff
than changing an NMI oopser timeout).

Does 0xFF broadcast cluster, broadcast low nybble work or is waking
them a cluster at a time required? This thing is not swift to boot...

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