[PATCH] arc: Re-enable MMU upon die()

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Hi Jose,

On Fri, 2017-09-01 at 12:39 +0100, Jose Abreu wrote:
> I recently came upon a scenario where I would get a double fault
> after a machine check error. It turns out that for Ksymbol lookup
> to work with modules we need to have MMU enabled because module
> address is mapped in the cached space.
> 
> This patch re-enables the MMU before start printing the stacktrace
> making stacktracing of modules work upon a fatal exception.

I'm wondering how do we end up with MMU disabled?

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