From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: dri-devel@lists.freedesktop.org,
Sumit Semwal <sumit.semwal@linaro.org>,
"open list:DMA BUFFER SHARING FRAMEWORK"
<linux-media@vger.kernel.org>,
"moderated list:DMA BUFFER SHARING FRAMEWORK"
<linaro-mm-sig@lists.linaro.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 06/10] udmabuf: add MEMFD_CREATE dependency
Date: Tue, 11 Sep 2018 12:40:10 +0300 [thread overview]
Message-ID: <9324055.sTKbuWCmpk@avalon> (raw)
In-Reply-To: <20180911065921.23818-7-kraxel@redhat.com>
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.
--
Regards,
Laurent Pinchart
next prev parent reply other threads:[~2018-09-11 9:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180911065921.23818-1-kraxel@redhat.com>
2018-09-11 6:59 ` [PATCH 01/10] udmabuf: sort headers, drop uapi/ path prefix Gerd Hoffmann
2018-09-11 9:35 ` Laurent Pinchart
2018-09-11 6:59 ` [PATCH 02/10] udmabuf: improve map_udmabuf error handling Gerd Hoffmann
2018-09-11 9:37 ` Laurent Pinchart
2018-09-11 6:59 ` [PATCH 03/10] udmabuf: use pgoff_t for pagecount Gerd Hoffmann
2018-09-11 7:38 ` Daniel Vetter
2018-09-11 6:59 ` [PATCH 04/10] udmabuf: constify udmabuf_ops Gerd Hoffmann
2018-09-11 9:38 ` Laurent Pinchart
2018-09-11 6:59 ` [PATCH 05/10] udmabuf: constify udmabuf_create args Gerd Hoffmann
2018-09-11 9:39 ` Laurent Pinchart
2018-09-11 6:59 ` [PATCH 06/10] udmabuf: add MEMFD_CREATE dependency Gerd Hoffmann
2018-09-11 9:40 ` Laurent Pinchart [this message]
2018-09-11 6:59 ` [PATCH 07/10] udmabuf: rework limits Gerd Hoffmann
2018-09-11 9:41 ` Laurent Pinchart
2018-09-11 6:59 ` [PATCH 08/10] udmabuf: improve udmabuf_create error handling Gerd Hoffmann
2018-09-11 9:42 ` Laurent Pinchart
2018-09-11 6:59 ` [PATCH 09/10] udmabuf: use EBADFD in case we didn't got a memfd Gerd Hoffmann
2018-09-11 6:59 ` [PATCH 10/10] udmabuf: use ENOTTY for invalid ioctls Gerd Hoffmann
2018-09-11 9:43 ` Laurent Pinchart
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