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 at redhat.com> --- 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 -- MST