On 2020/4/5 下午4:14, Michael S. Tsirkin wrote:
set_dma_ops isn't available on all architectures:
make ARCH=um
...
drivers/vdpa/vdpa_sim/vdpa_sim.c: In function 'vdpasim_create':
drivers/vdpa/vdpa_sim/vdpa_sim.c:324:2: error: implicit declaration of function 'set_dma_ops'; did you mean 'set_groups'?
+[-Werror=implicit-function-declaration]
set_dma_ops(dev, &vdpasim_dma_ops);
^~~~~~~~~~~
set_groups
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---
drivers/vdpa/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/vdpa/Kconfig b/drivers/vdpa/Kconfig
index 08b615f2da39..d0cb0e583a5d 100644
--- a/drivers/vdpa/Kconfig
+++ b/drivers/vdpa/Kconfig
@@ -14,7 +14,7 @@ if VDPA_MENU
config VDPA_SIM
tristate "vDPA device simulator"
- depends on RUNTIME_TESTING_MENU
+ depends on RUNTIME_TESTING_MENU && HAS_DMA
select VDPA
select VHOST_RING
select VHOST_IOTLB
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
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