On Tue, Aug 22, 2017 at 08:31:18PM -0400, Ujjal Singh wrote: > We observed performance increase with DMA copy from memory > to MMIO by changing the interrupt coalescing value to 0. > The previous set value was projected on the C5xxx Xeon > platform and no longer holds true. Removing hard coded > value and providing a tune-able in sysfs in order to allow > user to tune this on a per channel basis. By default this > value will be set to 0. > Example of sysfs variable importing for interrupt coalescing > value from command line: > echo 5> /sys/devices/pci0000:00/0000:00:04.0/dma/dma0chan0/ > quickdata/intr_coalesce Okay the ABI should have been in this patch for intr_coalesce and not part of previous one :( Applied now, thanks -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
