[PATCH] powerpc/powernv: check OPAL_REGISTER_DUMP_REGION calls exist

[Stewart Smith]

Cédric Le Goater <clg at fr.ibm.com> writes:
> On Open Power systems, such call fails in OPAL : 
>
>    OPAL: Called with bad token 101 !
>
> The check on the OPAL_UNREGISTER_DUMP_REGION call is added for 
> symmetry. I did not see any errors for it.

I've already put in a patch to squash this:
Message-Id:
<1423718729-17992-2-git-send-email-stewart at linux.vnet.ibm.com>

Just waiting on mpe to merge :)