On Mon, Apr 17, 2017 at 07:19:28AM +0000, Maya Rashish wrote:
> Module Name:  src
> Committed By: maya
> Date:         Mon Apr 17 07:19:28 UTC 2017
> 
> Modified Files:
>       src/sys/arch/amd64/conf: XEN3_DOM0
>       src/sys/arch/i386/conf: XEN3_DOM0
> 
> Log Message:
> Uncomment MULTIPROCESSOR in dom0 kernels

Are you sure it's OK ?
It's not clear if the backend drivers, and especially the xenstore,
event channels and grant table stuff, are MP safe (I'm almost sure they
are not). There's still some splfoo()/splx() use there.
At minimum we should KASSERT() that the kernel lock is held here.

-- 
Manuel Bouyer <bou...@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--

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