POWER9 PMU interrupt after idle workaround

[Michael Ellerman]

On Mon, 2017-07-10 at 06:19:38 UTC, Nicholas Piggin wrote:
> POWER9 DD2 can see spurious PMU interrupts after state-loss idle in
> some conditions.
> 
> A solution is to save and reload MMCR0 over state-loss idle.
> 
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
> Acked-by: Madhavan Srinivasan <maddy at linux.vnet.ibm.com>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/101dd590a7fa37954540cf3149a1c5

cheers