From: Jason Gunthorpe <jgg@ziepe.ca>
To: Alexander Lobakin <alobakin@dlink.ru>
Cc: Leon Romanovsky <leon@kernel.org>,
Doug Ledford <dledford@redhat.com>,
Yishai Hadas <yishaih@mellanox.com>,
Maxim Mikityanskiy <maximmi@mellanox.com>,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH rdma] IB/mlx5: Fix linkage failure on 32-bit arches
Date: Fri, 14 Feb 2020 15:24:10 -0400 [thread overview]
Message-ID: <20200214192410.GW31668@ziepe.ca> (raw)
In-Reply-To: <20200214191309.155654-1-alobakin@dlink.ru>
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@dlink.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
next prev parent reply other threads:[~2020-02-14 19:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-14 19:13 [PATCH rdma] IB/mlx5: Fix linkage failure on 32-bit arches Alexander Lobakin
2020-02-14 19:24 ` Jason Gunthorpe [this message]
2020-02-14 19:44 ` Alexander Lobakin
2020-02-16 11:53 ` Maxim Mikityanskiy
2020-02-17 0:36 ` Jason Gunthorpe
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