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

I will use linus's latest tree to have a try.

YH

On 7/29/05, Eric W. Biederman <[email protected]> wrote:
> yhlu <[email protected]> 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
> else.
> 
> > 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
> safe.
> 
> But it sounds like you have some weird bug I don't understand.
> 
> Eric
>
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