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[06/10] udmabuf: add MEMFD_CREATE dependency

Message ID 20180911065921.23818-7-kraxel@redhat.com (mailing list archive)
State New, archived
Headers show
Series udmabuf: misc fixes. | expand

Commit Message

Gerd Hoffmann Sept. 11, 2018, 6:59 a.m. UTC
udmabuf builds without it, but if userspace can not create memfd
handles in the first place it is rather pointless to include it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 drivers/dma-buf/Kconfig | 1 +
 1 file changed, 1 insertion(+)

Comments

Laurent Pinchart Sept. 11, 2018, 9:40 a.m. UTC | #1
Hi Gerd,

Thank you for the patch.

On Tuesday, 11 September 2018 09:59:17 EEST Gerd Hoffmann wrote:
> udmabuf builds without it, but if userspace can not create memfd
> handles in the first place it is rather pointless to include it.

Except perhaps for compile test coverage ? How about

	depends on MEMFD_CREATE || COMPILE_TEST

?

> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> ---
>  drivers/dma-buf/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
> index 338129eb12..fc3fe3f04e 100644
> --- a/drivers/dma-buf/Kconfig
> +++ b/drivers/dma-buf/Kconfig
> @@ -34,6 +34,7 @@ config UDMABUF
>  	bool "userspace dmabuf misc driver"
>  	default n
>  	depends on DMA_SHARED_BUFFER
> +	depends on MEMFD_CREATE
>  	help
>  	  A driver to let userspace turn memfd regions into dma-bufs.
>  	  Qemu can use this to create host dmabufs for guest framebuffers.
diff mbox series

Patch

diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
index 338129eb12..fc3fe3f04e 100644
--- a/drivers/dma-buf/Kconfig
+++ b/drivers/dma-buf/Kconfig
@@ -34,6 +34,7 @@  config UDMABUF
 	bool "userspace dmabuf misc driver"
 	default n
 	depends on DMA_SHARED_BUFFER
+	depends on MEMFD_CREATE
 	help
 	  A driver to let userspace turn memfd regions into dma-bufs.
 	  Qemu can use this to create host dmabufs for guest framebuffers.