[PATCH] powerpc: Invalidate ERAT on powersave wakeup for POWER9

[Michael Neuling]

Yes please... Would be helpful


On 22 Jun. 2017 7:50 pm, "Stewart Smith" <stewart at linux.vnet.ibm.com> wrote:

> Michael Neuling <mikey at neuling.org> writes:
> > On POWER9 the ERAT may be incorrect on wakeup from some stop states
> > that lose state. This causes random segvs and illegal instructions
> > when these stop states are enabled.
> >
> > This patch invalidates the ERAT on wakeup on POWER9 to prevent this
> > from causing a problem.
> >
> > Signed-off-by: Michael Neuling <mikey at neuling.org>
>
> CC: stable?
>
> --
> Stewart Smith
> OPAL Architect, IBM.
>
>
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