On 11/17/2016 11:01 AM, Olaf Hering wrote: > On Thu, Nov 17, Boris Ostrovsky wrote: > >> On 11/17/2016 06:28 AM, Olaf Hering wrote: >>> ERROR: "__mpol_dup" [drivers/xen/xen-gntdev.ko] undefined! >>> ERROR: "get_task_policy" [drivers/xen/xen-gntdev.ko] undefined! >> I just built 4.4.11 with this patch applied and haven't had any problems. > Are these functions exported? How would the driver module call into the > core kernel? Maybe the added functionality should be provided by an > exported helper function. You are right --- I didn't realize was building with grant device built-in. So yes, this needs to be fixed. -boris