Re: [PATCH kvm-unit-tests] arm: fix crash when caches are off

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----- Original Message -----
> Il 16/09/2014 14:43, Andrew Jones ha scritto:
> > I don't think we need to worry about this case. AFAIU, enabling the
> > caches for a particular cpu shouldn't require any synchronization.
> > So we should be able to do
> > 
> >     enable caches
> >     spin_lock
> >     start other processors
> >     spin_unlock
> 
> Ok, I'll test and apply your patch then.

Actually, yeah, please apply now in order to get A7 boards working.
I'll do a follow-on patch to fix the case above (which will require
deciding how to hand per cpu data).

drew

> 
> Once you change the code to enable caches, please consider hanging on
> spin_lock with caches disabled.
> 
> Paolo
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