On 05/29/2018 01:50 PM, Gerd Hoffmann wrote: > Hi, > >>> +config UDMABUF >>> + bool "userspace dmabuf misc driver" >>> + default n >>> + depends on DMA_SHARED_BUFFER >> Don't you want "select DMA_SHARED_BUFFER" here instead? > Why do you think so? After thinking a bit more your code looks ok, sorry for the noise > cheers, > Gerd >