Re: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code

2019-06-20 Thread Alexey Kardashevskiy
On 20/06/2019 16:21, Christoph Hellwig wrote: > On Thu, Jun 20, 2019 at 04:20:08PM +1000, Alexey Kardashevskiy wrote: >> >> >> On 20/06/2019 16:03, Christoph Hellwig wrote: >>> Hi Linus, >>> >>> this goes back to the discussion at last years kernel summit, where >>> we had the discussion on remo

Re: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code

2019-06-20 Thread Christoph Hellwig
On Thu, Jun 20, 2019 at 04:20:08PM +1000, Alexey Kardashevskiy wrote: > > > On 20/06/2019 16:03, Christoph Hellwig wrote: > > Hi Linus, > > > > this goes back to the discussion at last years kernel summit, where > > we had the discussion on removing code never used by any in-kernel > > user an n

Re: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code

2019-06-20 Thread Alexey Kardashevskiy
On 20/06/2019 16:03, Christoph Hellwig wrote: > Hi Linus, > > this goes back to the discussion at last years kernel summit, where > we had the discussion on removing code never used by any in-kernel > user an no prospects of one. The IBM folks are unfortunately still > dragging their feet on t

Re: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code

2019-06-20 Thread Christoph Hellwig
Hi Linus, this goes back to the discussion at last years kernel summit, where we had the discussion on removing code never used by any in-kernel user an no prospects of one. The IBM folks are unfortunately still dragging their feet on the powerpc side. Can we revise this discussion? The use cas

Re: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code

2019-06-19 Thread Alexey Kardashevskiy
On 19/06/2019 17:28, Christoph Hellwig wrote: > On Wed, Jun 19, 2019 at 10:34:54AM +1000, Alexey Kardashevskiy wrote: >> >> >> On 23/05/2019 17:49, Christoph Hellwig wrote: >>> None of these routines were ever used since they were added to the >>> kernel. >> >> >> It is still being used exactly

Re: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code

2019-06-19 Thread Christoph Hellwig
On Wed, Jun 19, 2019 at 10:34:54AM +1000, Alexey Kardashevskiy wrote: > > > On 23/05/2019 17:49, Christoph Hellwig wrote: > > None of these routines were ever used since they were added to the > > kernel. > > > It is still being used exactly in the way as it was explained before in > previous r

Re: [PATCH 3/4] powerpc/powernv: remove dead NPU DMA code

2019-06-18 Thread Alexey Kardashevskiy
On 23/05/2019 17:49, Christoph Hellwig wrote: > None of these routines were ever used since they were added to the > kernel. It is still being used exactly in the way as it was explained before in previous respins. Thanks. > > Signed-off-by: Christoph Hellwig > --- > arch/powerpc/include/

[PATCH 3/4] powerpc/powernv: remove dead NPU DMA code

2019-05-23 Thread Christoph Hellwig
None of these routines were ever used since they were added to the kernel. Signed-off-by: Christoph Hellwig --- arch/powerpc/include/asm/book3s/64/mmu.h | 2 - arch/powerpc/include/asm/powernv.h | 22 - arch/powerpc/mm/book3s64/mmu_context.c | 1 - arch/powerpc/platforms/powernv/npu