[PATCH] dmaengine: xgene-dma: Remove memcpy offload support due to performance drop

Vinod Koul vinod.koul at intel.com
Wed Oct 14 07:51:00 PDT 2015

On Wed, Oct 14, 2015 at 07:25:07PM +0530, Rameshwar Prasad Sahu wrote:
> The DMA engine supports memory copy, RAID5 XOR, RAID6 PQ, and other
> computations. But the bandwidth of the entire DMA engine is shared
> among all channels. This patch re-configures operations availability
> such that one can achieve maximum performance for XOR and PQ
> computation by removing the memory offload operations.

Applied, thanks


More information about the linux-arm-kernel mailing list