linux-kernel - Re: [PATCH] IB/mlx5: Limit to 64-bit builds

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Message-ID: <2cfc38a3-33a9-5f22-6757-189ebbb93ce6@roeck-us.net>
Date:   Thu, 30 May 2019 05:37:25 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Doug Ledford <dledford@...hat.com>, Jason Gunthorpe <jgg@...pe.ca>,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ariel Levkovich <lariel@...lanox.com>
Subject: Re: [PATCH] IB/mlx5: Limit to 64-bit builds

On 5/30/19 5:22 AM, Leon Romanovsky wrote:
> On Thu, May 30, 2019 at 04:35:44AM -0700, Guenter Roeck wrote:
>> 32-bit builds fail with errors such as
>>
>> ERROR: "__udivdi3" [drivers/infiniband/hw/mlx5/mlx5_ib.ko] undefined!
> 
> It is fixed in rdma-rc.
> https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?h=wip/jgg-for-rc&id=37eb86c4507abcb14fc346863e83aa8751aa4675
> 

Excellent, and sorry for the noise.

Guenter

> Thanks
> 
>>
>> Fixes: 25c13324d03d ("IB/mlx5: Add steering SW ICM device memory type")
>> Cc: Ariel Levkovich <lariel@...lanox.com>
>> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
>> ---
>>   drivers/infiniband/hw/mlx5/Kconfig | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/infiniband/hw/mlx5/Kconfig b/drivers/infiniband/hw/mlx5/Kconfig
>> index ea248def4556..574b97da7a43 100644
>> --- a/drivers/infiniband/hw/mlx5/Kconfig
>> +++ b/drivers/infiniband/hw/mlx5/Kconfig
>> @@ -1,7 +1,7 @@
>>   # SPDX-License-Identifier: GPL-2.0-only
>>   config MLX5_INFINIBAND
>>   	tristate "Mellanox 5th generation network adapters (ConnectX series) support"
>> -	depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE
>> +	depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE && 64BIT
>>   	---help---
>>   	  This driver provides low-level InfiniBand support for
>>   	  Mellanox Connect-IB PCI Express host channel adapters (HCAs).
>> --
>> 2.7.4
>>
>