[1/2] powerpc/powernv/npu: Move tlb flush before launching ATSD

[Michael Ellerman]

On Fri, 2017-08-11 at 06:22:56 UTC, Alistair Popple wrote:
> The nest mmu tlb flush needs to happen before the GPU translation shootdown
> is launched to avoid the GPU refilling its tlb with stale nmmu translations
> prior to the nmmu flush completing.
> 
> Signed-off-by: Alistair Popple <alistair at popple.id.au>
> Cc: stable at vger.kernel.org

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/bab9f954aaf352127725a9b7920226

cheers