Hi Michael and Michal,

Got back to this; sorry for the delay.

On 03/06/2018 09:55 AM, Michal Suchánek wrote:
Michael Ellerman<m...@ellerman.id.au>  wrote:

I*think*  the patch below is all we need, as well as some tweaking of
patch 2, are you able to test and repost?

Enabling the fallback flush always looks a bit dodgy but
do_rfi_flush_fixups will overwrite the jump so long any other fixup is

I agree; the 'Using fallback displacement flush' message is misleading
(is the system slower/fallback or not? Ô_o)

The suggested patch is definitely more contained within pseries, but
the informational part seemed dodgy IMHO too.

So I wrote something with a new function parameter to force the init of
the fallback flush area (true in pseries, false in powernv).  Not that
contained, but it seemed to convey the intent here in a clear way.

That's v2, just sent.


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