linux-kernel - [PATCH 06/10] udmabuf: add MEMFD

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Message-Id: <20180911065921.23818-7-kraxel@redhat.com>
Date:   Tue, 11 Sep 2018 08:59:17 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     laurent.pinchart@...asonboard.com,
        Gerd Hoffmann <kraxel@...hat.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        linux-media@...r.kernel.org (open list:DMA BUFFER SHARING FRAMEWORK),
        linaro-mm-sig@...ts.linaro.org (moderated list:DMA BUFFER SHARING
        FRAMEWORK), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 06/10] udmabuf: add MEMFD_CREATE dependency

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@...hat.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.
-- 
2.9.3