Re: undefined reference to `__aeabi_uldivmod' after 25c13324d03d ("IB/mlx5: Add steering SW ICM device memory type")

Jason Gunthorpe
2019-05-15T00:32:02Z

On Tue, May 14, 2019 at 12:45:10PM -0700, Nathan Chancellor wrote:
> Hi all,
>
> I checked the RDMA mailing list and trees and I haven't seen this
> reported/fixed yet (forgive me if it has) but when building for arm32
> with multi_v7_defconfig and the following configs (distilled from
> allyesconfig):
>
> CONFIG_INFINIBAND=y
> CONFIG_INFINIBAND_ON_DEMAND_PAGING=y
> CONFIG_INFINIBAND_USER_ACCESS=y
> CONFIG_MLX5_CORE=y
> CONFIG_MLX5_INFINIBAND=y
>
> The following link time errors occur:
>
> arm-linux-gnueabi-ld: drivers/infiniband/hw/mlx5/main.o: in function `mlx5_ib_alloc_dm':
> main.c:(.text+0x60c): undefined reference to `__aeabi_uldivmod'
> arm-linux-gnueabi-ld: drivers/infiniband/hw/mlx5/cmd.o: in function `mlx5_cmd_alloc_sw_icm':
> cmd.c:(.text+0x6d4): undefined reference to `__aeabi_uldivmod'
> arm-linux-gnueabi-ld: drivers/infiniband/hw/mlx5/cmd.o: in function `mlx5_cmd_dealloc_sw_icm':
> cmd.c:(.text+0x9ec): undefined reference to `__aeabi_uldivmod'

Fengguang, I'm surprised that 0-day didn't report this earlier..

and come to think of it, I haven't seen a success email from 0-day for
the rdma trees in some time - is it still working?

Thanks,
Jason