On 10/16/19 8:11 AM, Jürgen Groß wrote: > On 15.10.19 20:12, Jason Gunthorpe wrote: >> From: Jason Gunthorpe <jgg@xxxxxxxxxxxx> >> >> DMA_SHARED_BUFFER can not be enabled by the user (it represents a >> library >> set in the kernel). The kconfig convention is to use select for such >> symbols so they are turned on implicitly when the user enables a kconfig >> that needs them. >> >> Otherwise the XEN_GNTDEV_DMABUF kconfig is overly difficult to enable. >> >> Fixes: 932d6562179e ("xen/gntdev: Add initial support for dma-buf UAPI") >> Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx> >> Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> >> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx >> Cc: Juergen Gross <jgross@xxxxxxxx> >> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx> >> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx> > > Reviewed-by: Juergen Gross <jgross@xxxxxxxx> > Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx> > > Juergen