Re: [PATCH] x86_64: sync_tsc fix the race (so we can boot)

From: Eric W. Biederman
Date: Fri Jul 29 2005 - 19:43:39 EST

yhlu <yhlu.kernel@xxxxxxxxx> writes:

> if using you patch, the
> "synchronized TSC with CPU" never come out.
> then with your patch, I add back patch that moving set callin_map from
> smp_callin to start_secondary. It told me can not inquire the apic for
> the CPU 1....2....

Hmm. You didn't post enough of a boot log for me to see the problem.
Does it boot and you don't see the message or is it something

> Can we put tsc_sync_wait() back to smp_callin?
> So that it will be executed serially and we can get
> "synchronized TSC with CPU"?

Currently that just seems silly. That code should be async

But it sounds like you have some weird bug I don't understand.

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