On Tue, Jul 03, 2012 at 10:17:12PM -0500, Tabi Timur-B04825 wrote:
> Zhao Chenhui wrote:
> > If the guts variable is NULL, it indicates there is error in dts or kernel.
> > We should fix the error, rather than ignore it.
> 
> And that's why there's a warning message.  Crashing the kernel is not 
> going to fix anything.
> 

This error likely crashes the kenel somewhere.

> > Moreover, if smp_85xx_ops.give/take_timebase is NULL, kernel can not do the 
> > timebase sync.
> 
> Is that necessary for the kernel to boot?
> 

No. But in the cpu hotplug context, we need do the timebase sync.

-Chenhui

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