Am 27.08.2019 05:12, schrieb Mao Wenan: > When MLX5_CORE_EN=y and PCI_HYPERV_INTERFACE is not set, below errors are found: > drivers/net/ethernet/mellanox/mlx5/core/en_main.o: In function `mlx5e_nic_enable': > en_main.c:(.text+0xb649): undefined reference to `mlx5e_hv_vhca_stats_create' > drivers/net/ethernet/mellanox/mlx5/core/en_main.o: In function `mlx5e_nic_disable': > en_main.c:(.text+0xb8c4): undefined reference to `mlx5e_hv_vhca_stats_destroy' > > This because CONFIG_PCI_HYPERV_INTERFACE is newly introduced by 'commit 348dd93e40c1 > ("PCI: hv: Add a Hyper-V PCI interface driver for software backchannel interface"), > Fix this by making MLX5_CORE_EN imply PCI_HYPERV_INTERFACE. > > Fixes: cef35af34d6d ("net/mlx5e: Add mlx5e HV VHCA stats agent") > Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx> > --- > drivers/net/ethernet/mellanox/mlx5/core/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig > index 37fef8c..a6a70ce 100644 > --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig > +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig > @@ -35,6 +35,7 @@ config MLX5_CORE_EN > depends on IPV6=y || IPV6=n || MLX5_CORE=m OT but ... is that IPV6 needed at all ? can there be something else that yes or no ? re, wh > select PAGE_POOL > select DIMLIB > + imply PCI_HYPERV_INTERFACE > default n > ---help--- > Ethernet support in Mellanox Technologies ConnectX-4 NIC.