Re: [PATCH kernel 07/10] powerpc/powernv/npu: Rework TCE Kill handling

2016-03-20 Thread Alistair Popple
On Wed, 9 Mar 2016 17:29:03 Alexey Kardashevskiy wrote: > The pnv_ioda_pe struct keeps an array of peers. At the moment it is only > used to link GPU and NPU for 2 purposes: > > 1. Access NPU _quickly_ when configuring DMA for GPU - this was addressed > in the previos patch by removing use of it a

[PATCH kernel 07/10] powerpc/powernv/npu: Rework TCE Kill handling

2016-03-08 Thread Alexey Kardashevskiy
The pnv_ioda_pe struct keeps an array of peers. At the moment it is only used to link GPU and NPU for 2 purposes: 1. Access NPU _quickly_ when configuring DMA for GPU - this was addressed in the previos patch by removing use of it as DMA setup is not what the kernel would constantly do. 2. Invali