On Wed, May 11, 2016 at 02:32:49PM -0700, Dave Jiang wrote: > ioatdma by default is in snoop mode. Relaxed ordering according to spec > does not do anything in snoop mode. However, it causes hang or significant > performance degrade when tested with NTB. Disabling in the driver due to > some BIOS do not configure it correctly. Applied, 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