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

Jürgen Groß jgross at suse.com
Tue Nov 5 14:44:01 UTC 2019


On 01.11.19 19:26, Jason Gunthorpe wrote:
> 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.

Yes, I can take it for 5.5.


Juergen


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