[PATCH 7/8] powerpc/rtas: warn on unsafe argument to rtas_call_unlocked()

[Michael Ellerman]

Nathan Lynch <nathanl at linux.ibm.com> writes:
> Nathan Lynch <nathanl at linux.ibm.com> writes:
>>
>> aside: does anyone know if the display_status() code is worth keeping?
>> It looks like it is used to drive the 16-character wide physical LCD I
>> remember seeing on P4-era and older machines. Is it a vestige of
>> non-LPAR pseries that should be dropped, or is it perhaps useful for
>> chrp or cell?
>
> Never mind, I see the display-character token and associated properties
> on a P8 LPAR and in a current PAPR.

Or a P10 LPAR even.

The characters written using it are shown on the HMC, somewhere on the
partition info page.

cheers