Re: [PATCH v2 2/2] powerpc/powernv/npu: Don't explicitly flush nmmu tlb

2017-09-08 Thread kbuild test robot
Hi Alistair, [auto build test ERROR on powerpc/next] [also build test ERROR on next-20170907] [cannot apply to v4.13] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Alistair-Popple/powerpc-npu-U

Re: [PATCH v2 2/2] powerpc/powernv/npu: Don't explicitly flush nmmu tlb

2017-09-05 Thread Frederic Barrat
Le 06/09/2017 à 03:49, Alistair Popple a écrit : The nest mmu required an explicit flush as a tlbi would not flush it in the same way as the core. However an alternate firmware fix exists which should eliminate the need for this flush, so instead add a device-tree property (ibm,nmmu-flush) on t

[PATCH v2 2/2] powerpc/powernv/npu: Don't explicitly flush nmmu tlb

2017-09-05 Thread Alistair Popple
The nest mmu required an explicit flush as a tlbi would not flush it in the same way as the core. However an alternate firmware fix exists which should eliminate the need for this flush, so instead add a device-tree property (ibm,nmmu-flush) on the NVLink2 PHB to enable it only if required. Signed