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

2017-09-01 Thread 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

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

2017-08-11 Thread Alistair Popple
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 Cc: sta...@vger.kernel.org ---