Re: [mm PATCH v3 00/23] Add support for DMA writable pages being writable by the network stack

On Thu, Nov 10, 2016 at 3:34 AM, Alexander Duyck wrote: > The first 19 patches in the set add support for the DMA attribute > DMA_ATTR_SKIP_CPU_SYNC on multiple platforms/architectures. This is needed > so that we can flag the calls to dma_map/unmap_page so that we

[mm PATCH v3 00/23] Add support for DMA writable pages being writable by the network stack

The first 19 patches in the set add support for the DMA attribute DMA_ATTR_SKIP_CPU_SYNC on multiple platforms/architectures. This is needed so that we can flag the calls to dma_map/unmap_page so that we do not invalidate cache lines that do not currently belong to the device. Instead we have to