Direct I/O For DMA-BUF Can Yield A Big Performance Win

Smart device manufacturer HONOR has posted a patch series adding direct I/O support to DMA-BUF with the "DMA_BUF_IOCTL_RW_FILE" flag. In turn this direct I/O use can yield significant throughput improvements and lower latency to help with AI model loading, real-time data streaming, and other uses...