[PATCH] powerpc/xmon: check before calling xive functions

[Benjamin Herrenschmidt]

On Thu, 2017-10-19 at 15:09 +0200, Cédric Le Goater wrote:
> > No that's wrong. xive_enabled() is only set if Linux is using native
> > xive mode but some of those xmon functions dump the emulated state.
> > 
> > We should fix the actual cause of the crash.
> 
> which should be in the OPAL XIVE dump routines then ? 

Yup, probably needs a NULL check or something...

Cheers,
Ben.