[Nouveau] [PATCH v2 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER

[Jason Gunthorpe]

On Mon, Oct 28, 2019 at 05:10:25PM -0300, Jason Gunthorpe wrote:
> From: Jason Gunthorpe <jgg at mellanox.com>
> 
> 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 at epam.com>
> Cc: Boris Ostrovsky <boris.ostrovsky at oracle.com>
> Cc: xen-devel at lists.xenproject.org
> Cc: Juergen Gross <jgross at suse.com>
> Cc: Stefano Stabellini <sstabellini at kernel.org>
> Reviewed-by: Juergen Gross <jgross at suse.com>
> Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko at epam.com>
> Signed-off-by: Jason Gunthorpe <jgg at mellanox.com>
> ---
>  drivers/xen/Kconfig | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Juergen/Oleksandr/Xen Maintainers:

Would you take this patch through a xen related tree? The only reason
I had in this series is to make it easier to compile-test the gntdev
changes.

Since it is looking like the gntdev rework might not make it this
cycle it is probably best for you to take it.

Thanks,
Jason