[Skiboot] [PATCH] ATTN: Enable flush instruction cache bit in HID register

[Stewart Smith]

Vasant Hegde <hegdevasant at linux.vnet.ibm.com> writes:
> In P9, we have to enable "flush the instruction cache" bit along with
> "attn instruction support" bit to trigger attention.
>
> Signed-off-by: Vasant Hegde <hegdevasant at linux.vnet.ibm.com>
> ---
> Stewart,
>   "flush the instruction cache" bit is disabled by default. Hence I
>   think we don't have any side effect.

and since we only ever enable_attn() right before __trigger_attn(), then
we should be fine anyway :)

Merged to master as of 85f55e36bbd27fb9f75ba7cec912fd24490570ed

-- 
Stewart Smith
OPAL Architect, IBM.