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Date:   Fri, 14 Feb 2020 15:24:10 -0400
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Alexander Lobakin <alobakin@...nk.ru>
Cc:     Leon Romanovsky <leon@...nel.org>,
        Doug Ledford <dledford@...hat.com>,
        Yishai Hadas <yishaih@...lanox.com>,
        Maxim Mikityanskiy <maximmi@...lanox.com>,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH rdma] IB/mlx5: Fix linkage failure on 32-bit arches

On Fri, Feb 14, 2020 at 10:13:09PM +0300, Alexander Lobakin wrote:
> Commit f164be8c0366 ("IB/mlx5: Extend caps stage to handle VAR
> capabilities") introduced a straight "/" division of the u64
> variable "bar_size", which emits an __udivdi3() libgcc call on
> 32-bit arches and certain GCC versions:
> 
> error: "__udivdi3" [drivers/infiniband/hw/mlx5/mlx5_ib.ko] undefined! [1]
> 
> Replace it with the corresponding div_u64() call.
> Compile-tested on ARCH=mips 32r2el_defconfig BOARDS=ocelot.
> 
> [1] https://lore.kernel.org/linux-mips/CAMuHMdXM9S1VkFMZ8eDAyZR6EE4WkJY215Lcn2qdOaPeadF+EQ@mail.gmail.com/
> 
> Fixes: f164be8c0366 ("IB/mlx5: Extend caps stage to handle VAR
> capabilities")
> Signed-off-by: Alexander Lobakin <alobakin@...nk.ru>
> ---
>  drivers/infiniband/hw/mlx5/main.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Randy beat you too it..

https://lore.kernel.org/linux-rdma/20200206143201.GF25297@ziepe.ca/

But it seems patchwork missed this somehow.

Applied now at least

Jason

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