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From: Bart Van Assche <bart.vanassche@sandisk.com>
To: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
	Doug Ledford <dledford@redhat.com>,
	linux-rdma@vger.kernel.org
Cc: Amir Vadai <amirv@mellanox.com>,
	Bart Van Assche <bart.vanassche@sandisk.com>,
	Chien Yen <chien.yen@oracle.com>,
	Christoph Hellwig <hch@infradead.org>,
	Dominique Martinet <dominique.martinet@cea.fr>,
	Eli Cohen <eli@mellanox.com>,
	Eric Van Hensbergen <ericvh@gmail.com>,
	Ido Shamay <idos@mellanox.com>,
	Latchesar Ionkov <lucho@ionkov.net>,
	Or Gerlitz <ogerlitz@mellanox.com>, Roi Dayan <roid@mellanox.com>,
	Ron Minnich <rminnich@sandia.gov>,
	Sagi Grimberg <sagig@mellanox.com>,
	Simon Derr <simon.derr@bull.net>,
	Tom Tucker <tom@opengridcomputing.com>,
	rds-devel@oss.oracle.com, target-devel@vger.kernel.org,
	v9fs-developer@lists.sourceforge.net
Subject: Re: [PATCH v2 08/12] IB/srp: Use pd->local_dma_lkey
Date: Fri, 31 Jul 2015 16:05:30 -0700	[thread overview]
Message-ID: <55BBFF3A.6020802@sandisk.com> (raw)
In-Reply-To: <1438298547-21404-9-git-send-email-jgunthorpe@obsidianresearch.com>

On 07/30/2015 04:22 PM, Jason Gunthorpe wrote:
> Replace all leys with  pd->local_dma_lkey. This driver does not support
> iWarp, so this is safe.
>
> The insecure use of ib_get_dma_mr is thus isolated to an rkey, and will
> have to be fixed separately.
>
> Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
> Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
> ---
>   drivers/infiniband/ulp/srp/ib_srp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
> index 31a20b462266..19a1356f8b2a 100644
> --- a/drivers/infiniband/ulp/srp/ib_srp.c
> +++ b/drivers/infiniband/ulp/srp/ib_srp.c
> @@ -3146,7 +3146,7 @@ static ssize_t srp_create_target(struct device *dev,
>   	target->io_class	= SRP_REV16A_IB_IO_CLASS;
>   	target->scsi_host	= target_host;
>   	target->srp_host	= host;
> -	target->lkey		= host->srp_dev->mr->lkey;
> +	target->lkey		= host->srp_dev->pd->local_dma_lkey;
>   	target->rkey		= host->srp_dev->mr->rkey;
>   	target->cmd_sg_cnt	= cmd_sg_entries;
>   	target->sg_tablesize	= indirect_sg_entries ? : cmd_sg_entries;
>

Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>

  reply	other threads:[~2015-07-31 23:05 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-30 23:22 [PATCH v2 00/12] IB: Replace safe uses for ib_get_dma_mr with pd->local_dma_lkey Jason Gunthorpe
2015-07-30 23:22 ` [PATCH v2 02/12] IB/mad: Remove ib_get_dma_mr calls Jason Gunthorpe
2015-07-30 23:22 ` [PATCH v2 04/12] IB/mlx4: " Jason Gunthorpe
2015-07-30 23:22 ` [PATCH v2 05/12] IB/mlx5: " Jason Gunthorpe
2015-07-30 23:22 ` [PATCH v2 06/12] IB/iser: Use pd->local_dma_lkey Jason Gunthorpe
2015-07-30 23:22 ` [PATCH v2 07/12] iser-target: Remove ib_get_dma_mr calls Jason Gunthorpe
2015-07-30 23:22 ` [PATCH v2 09/12] IB/srp: Do not create an all physical insecure rkey by default Jason Gunthorpe
2015-08-03 15:39   ` Christoph Hellwig
2015-08-03 17:18   ` Bart Van Assche
2015-07-30 23:22 ` [PATCH v2 10/12] ib_srpt: Remove ib_get_dma_mr calls Jason Gunthorpe
2015-07-30 23:22 ` [PATCH v2 11/12] net/9p: " Jason Gunthorpe
     [not found] ` <1438298547-21404-1-git-send-email-jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-07-30 23:22   ` [PATCH v2 01/12] IB/core: Guarantee that a local_dma_lkey is available Jason Gunthorpe
2015-08-02 13:09     ` Haggai Eran
2015-08-04  3:21       ` Jason Gunthorpe
2015-07-30 23:22   ` [PATCH v2 03/12] IB/ipoib: Remove ib_get_dma_mr calls Jason Gunthorpe
2015-07-30 23:22   ` [PATCH v2 08/12] IB/srp: Use pd->local_dma_lkey Jason Gunthorpe
2015-07-31 23:05     ` Bart Van Assche [this message]
2015-07-30 23:22   ` [PATCH v2 12/12] rds/ib: Remove ib_get_dma_mr calls Jason Gunthorpe
2015-08-14  2:47     ` santosh shilimkar
2015-07-31  7:42 ` [PATCH v2 00/12] IB: Replace safe uses for ib_get_dma_mr with pd->local_dma_lkey Christoph Hellwig
2015-07-31 13:26 ` Steve Wise
2015-07-31 22:20 ` Bart Van Assche
     [not found]   ` <55BBF4B8.2050700-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-07-31 22:31     ` Jason Gunthorpe
     [not found]       ` <20150731223153.GA1518-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-07-31 23:04         ` Bart Van Assche
     [not found]           ` <55BBFF03.7000505-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-07-31 23:14             ` Jason Gunthorpe
     [not found]               ` <20150731231430.GA1955-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-07-31 23:32                 ` Bart Van Assche
2015-08-01 20:05                 ` Doug Ledford
     [not found]                   ` <55BD2689.3080602-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-08-11 20:50                     ` Bart Van Assche
     [not found]                       ` <55CA600B.1050706-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-14 13:36                         ` Doug Ledford
     [not found]                           ` <55CDEEFA.4010803-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-08-14 16:20                             ` Bart Van Assche
     [not found]                               ` <55CE1554.60001-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-15  2:08                                 ` Doug Ledford
2015-08-03 15:24   ` Christoph Hellwig
     [not found]     ` <20150803152420.GA24193-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2015-08-03 18:33       ` Bart Van Assche
     [not found]         ` <55BFB40F.8000500-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-04 18:09           ` Jason Gunthorpe
     [not found]             ` <20150804180933.GB5038-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-08-05  6:41               ` David Dillow
     [not found]                 ` <1438756876.5698.2.camel-a7a0dvSY7KqLUyTwlgNVppKKF0rrzTr+@public.gmane.org>
2015-08-05 19:51                   ` Jason Gunthorpe
     [not found]                     ` <20150805195122.GA31595-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-08-05 21:45                       ` Bart Van Assche
     [not found]                         ` <55C2840C.5050301-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-05 22:41                           ` Bart Van Assche
     [not found]                             ` <55C2912A.50709-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-06  0:10                               ` Jason Gunthorpe
     [not found]                                 ` <20150806001006.GD2483-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-08-06  0:19                                   ` Bart Van Assche
     [not found]                                     ` <55C2A7FE.7020904-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-06  4:36                                       ` Jason Gunthorpe
     [not found]                                         ` <20150806043642.GA14153-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-08-06 15:09                                           ` Bart Van Assche
2015-08-11  0:05                                           ` [PATCH 0/9] IB/srp: Do not create an all physical insecure rkey by default Bart Van Assche
     [not found]                                             ` <55C93C61.9010508-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-11  0:06                                               ` [PATCH 1/8] IB/srp: Re-enable FMR for non-page aligned buffers Bart Van Assche
     [not found]                                                 ` <55C93C85.6090003-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-16 10:53                                                   ` Sagi Grimberg
     [not found]                                                     ` <55D06BB3.7070905-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-08-16 15:49                                                       ` Bart Van Assche
2015-08-11  0:06                                               ` [PATCH 2/8] IB/srp: Use multiple registrations for large memory regions Bart Van Assche
2015-08-11  0:07                                               ` [PATCH 3/8] IB/srp: Add memory descriptor array pointer range checking Bart Van Assche
     [not found]                                                 ` <55C93CBF.1060606-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-16 10:57                                                   ` Sagi Grimberg
     [not found]                                                     ` <55D06C9D.7030608-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-08-16 15:51                                                       ` Bart Van Assche
2015-08-11  0:07                                               ` [PATCH 4/8] IB/srp: Remove the memory registration backtracking code Bart Van Assche
2015-08-11  0:08                                               ` [PATCH 5/8] IB/srp: Remove use_mr argument from srp_map_sg_entry() Bart Van Assche
2015-08-11  0:08                                               ` [PATCH 6/8] IB/srp: Introduce srp_device.use_fmr Bart Van Assche
     [not found]                                                 ` <55C93D0C.7060000-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-16 11:03                                                   ` Sagi Grimberg
     [not found]                                                     ` <55D06E05.5060209-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-08-16 15:57                                                       ` Bart Van Assche
2015-08-11  0:09                                               ` [PATCH 7/8] IB/srp: Register the indirect data buffer descriptor Bart Van Assche
     [not found]                                                 ` <55C93D21.1090102-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-08-16 11:09                                                   ` Sagi Grimberg
     [not found]                                                     ` <55D06F56.4060005-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-08-16 16:56                                                       ` Bart Van Assche
2015-08-11  0:09                                               ` [PATCH 8/8] IB/srp: Create an insecure all physical rkey only if needed Bart Van Assche
2015-08-11  5:40                                               ` [PATCH 0/9] IB/srp: Do not create an all physical insecure rkey by default Jason Gunthorpe

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