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Re: [Xen-devel] [PATCH hmm 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER
- To: Jürgen Groß <jgross@xxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, "Felix.Kuehling@xxxxxxx" <Felix.Kuehling@xxxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, Ralph Campbell <rcampbell@xxxxxxxxxx>, Jerome Glisse <jglisse@xxxxxxxxxx>
- From: Oleksandr Andrushchenko <Oleksandr_Andrushchenko@xxxxxxxx>
- Date: Wed, 16 Oct 2019 06:35:15 +0000
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- Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, "linux-rdma@xxxxxxxxxxxxxxx" <linux-rdma@xxxxxxxxxxxxxxx>, "dri-devel@xxxxxxxxxxxxxxxxxxxxx" <dri-devel@xxxxxxxxxxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxxxx>, "amd-gfx@xxxxxxxxxxxxxxxxxxxxx" <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Ben Skeggs <bskeggs@xxxxxxxxxx>
- Delivery-date: Wed, 16 Oct 2019 06:35:36 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHVg4SsfIDuaxZr3kiqa77y9Sk4sqdcuS2AgAAXhQA=
- Thread-topic: [PATCH hmm 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER
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
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