Re: [PATCH 06/10] udmabuf: add MEMFD_CREATE dependency

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.