On Tue, 28 Apr 2015, Christoph Hellwig wrote:
This seems to lack support for QUEUE_FLAG_SG_GAPS to work around the retarded PPR format in the NVMe driver.
Might strong words, sir! I'm missing the context here, but I'll say PRP is much more efficient for h/w to process over SGL, and the requirement comes from that h/w rather than the driver. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/