On 2017å¹´06æ??23æ?¥ 14:57, Christian König wrote: > But giving the CS IOCTL an option for directly specifying the BOs > instead of a BO list like Marek suggested would indeed save us some > time here. interesting, I always follow how to improve our cs ioctl, since UMD guys aften complain our command submission is slower than windows. Then how to directly specifying the BOs instead of a BO list? BO handle array from UMD? Could your guys describe more clear? Is it doable? Regards, David Zhou