Re: [PATCH] IB/ucm: fix UCM link error

From: Jason Gunthorpe
Date: Tue Aug 21 2018 - 23:18:18 EST


On Tue, Aug 21, 2018 at 04:20:44PM +0200, Arnd Bergmann wrote:
> Building UCM with CONFIG_INFINIBAND_USER_ACCESS=m results in a
> set of link errors including:
>
> drivers/infiniband/core/ucm.o: In function `ib_ucm_event_handler':
> ucm.c:(.text+0x6dc): undefined reference to `ib_copy_path_rec_to_user'
> drivers/infiniband/core/ucma.o: In function `ucma_event_handler':
> ucma.c:(.text+0xdc0): undefined reference to `ib_copy_ah_attr_to_user'
>
> To get it to build-test again, this makes the option itself a
> tristate, which lets Kconfig figure out the dependency correctly.
>
> Fixes: 486edfb1039d ("IB/ucm: Fix compiling ucm.c")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/infiniband/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Applied to for-rc

But that fixes line isn't right is it?

Should it be

commit 7a8690ed6f5346f6738971892205e91d39b6b901
Author: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Date: Wed May 23 08:22:11 2018 +0300

RDMA/ucm: Mark UCM interface as BROKEN

Which added the config in the first place??

Thanks,
Jason

> diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig
> index 1d6f5710d1df..176b943dfec9 100644
> --- a/drivers/infiniband/Kconfig
> +++ b/drivers/infiniband/Kconfig
> @@ -35,7 +35,7 @@ config INFINIBAND_USER_ACCESS
> rdma-core <https://github.com/linux-rdma/rdma-core>.
>
> config INFINIBAND_USER_ACCESS_UCM
> - bool "Userspace CM (UCM, DEPRECATED)"
> + tristate "Userspace CM (UCM, DEPRECATED)"
> depends on BROKEN || COMPILE_TEST
> depends on INFINIBAND_USER_ACCESS
> help