[PATCH] powerpc: Document xive=off option

[Stewart Smith]

Michael Neuling <mikey at neuling.org> writes:
> commit 243e25112d06 ("powerpc/xive: Native exploitation of the XIVE
> interrupt controller") added an option to turn off Linux native XIVE
> usage via the xive=off kernel command line option.
>
> This documents this option.
>
> Signed-off-by: Michael Neuling <mikey at neuling.org>

Acked-by: Stewart Smith <stewart at linux.ibm.com>

-- 
Stewart Smith
OPAL Architect, IBM.