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From: Leon Romanovsky <leon@kernel.org>
To: Li Zhijian <lizhijian@cn.fujitsu.com>
Cc: dledford@redhat.com, jgg@ziepe.ca, linux-rdma@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RDMA/mlx5: return the EFAULT per ibv_advise_mr(3)
Date: Sun, 1 Aug 2021 14:27:47 +0300	[thread overview]
Message-ID: <YQaFM8OTlmde+ZFV@unreal> (raw)
In-Reply-To: <20210801092050.6322-1-lizhijian@cn.fujitsu.com>

On Sun, Aug 01, 2021 at 05:20:50PM +0800, Li Zhijian wrote:
> ibv_advise_mr(3) says:
> EFAULT In one of the following: o When the range requested is out of the  MR  bounds,
>        or  when  parts of it are not part of the process address space. o One of the
>        lkeys provided in the scatter gather list is invalid or with wrong write access
> 
> Actually get_prefetchable_mr() will return NULL if it see above conditions
> 
> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
> ---
>  drivers/infiniband/hw/mlx5/odp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Thanks,
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>

  reply	other threads:[~2021-08-01 11:27 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-01  9:20 [PATCH] RDMA/mlx5: return the EFAULT per ibv_advise_mr(3) Li Zhijian
2021-08-01 11:27 ` Leon Romanovsky [this message]
2021-08-03 16:25 ` Jason Gunthorpe
2021-08-03 17:56   ` Leon Romanovsky
2021-08-03 18:13     ` Jason Gunthorpe
2021-08-04  5:35       ` Leon Romanovsky
2021-08-04 18:50         ` Jason Gunthorpe
2021-08-05  6:43           ` Leon Romanovsky
2021-08-16  2:59             ` lizhijian
2021-08-21  9:44               ` Li, Zhijian
2021-08-25 17:28                 ` Jason Gunthorpe
2021-08-26  1:18                   ` lizhijian
2021-08-28  8:42                     ` Li, Zhijian

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