Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH] samples: mbochs: add DMA_SHARED_BUFFER dependency | Date | Wed, 30 May 2018 23:37:31 +0200 |
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The new bochs vbe sample fails to link when DMA_SHARED_BUFFER is disabled:
ERROR: "dma_buf_export" [samples/vfio-mdev/mbochs.ko] undefined! ERROR: "dma_buf_fd" [samples/vfio-mdev/mbochs.ko] undefined!
This uses a 'select' statement to enable that framework, like all other users do.
Fixes: 8021194eb3da ("sample: vfio bochs vbe display (host device for bochs-drm)") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- samples/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/samples/Kconfig b/samples/Kconfig index 3aeaaca77831..bd133efc1a56 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -135,6 +135,7 @@ config SAMPLE_VFIO_MDEV_MDPY_FB config SAMPLE_VFIO_MDEV_MBOCHS tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only" depends on VFIO_MDEV_DEVICE && m + select DMA_SHARED_BUFFER help Build a virtual display sample driver for use as a VFIO mediated device. It supports the region display interface -- 2.9.0
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