From: Yuval Shaia <yuval.shaia@oracle.com>
To: Ira Weiny <ira.weiny@intel.com>
Cc: dledford@redhat.com, jgg@ziepe.ca, leon@kernel.org,
monis@mellanox.com, parav@mellanox.com, danielj@mellanox.com,
kamalheib1@gmail.com, markz@mellanox.com,
swise@opengridcomputing.com, johannes.berg@intel.com,
willy@infradead.org, michaelgur@mellanox.com, markb@mellanox.com,
dan.carpenter@oracle.com, bvanassche@acm.org, maxg@mellanox.com,
israelr@mellanox.com, galpress@amazon.com, denisd@mellanox.com,
yuvalav@mellanox.com, dennis.dalessandro@intel.com,
will@kernel.org, ereza@mellanox.com, jgg@mellanox.com,
linux-rdma@vger.kernel.org,
Shamir Rabinovitch <srabinov7@gmail.com>
Subject: Re: [PATCH v1 00/24] Shared PD and MR
Date: Mon, 26 Aug 2019 13:10:40 +0300 [thread overview]
Message-ID: <20190826101039.GE3698@lap1> (raw)
In-Reply-To: <20190822165841.GA17588@iweiny-DESK2.sc.intel.com>
>
> >
> > >
> > > Why is SCM_RIGHTS on the rdma context FD not sufficient to share the entire
> > > context, PD, and all MR's?
> >
> > Well, this SCM_RIGHTS is great, one can share the IB context with another.
> > But it is not enough, because:
> > - What API the second process can use to get his hands on one of the PDs or
> > MRs from this context?
>
> MRs can be passed by {PD,key} through any number of mechanisms. All you need
> is an ID for them. Maybe this is clear in the code. If so sorry about that.
So given an ID of a PD, what is the function is can use to get the pointer
to the ibv_pd object?
>
prev parent reply other threads:[~2019-08-26 10:11 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-21 14:21 [PATCH v1 00/24] Shared PD and MR Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 01/24] RDMA/uverbs: uobj_get_obj_read should return the ib_uobject Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 02/24] RDMA/uverbs: Delete the macro uobj_put_obj_read Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 03/24] RDMA/nldev: ib_pd can be pointed by multiple ib_ucontext Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 04/24] IB/{core,hw}: ib_pd should not have ib_uobject pointer Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 05/24] IB/core: ib_uobject need HW object reference count Yuval Shaia
2019-08-21 14:53 ` Jason Gunthorpe
2019-08-27 16:28 ` Yuval Shaia
2019-08-27 18:18 ` Jason Gunthorpe
2019-08-21 14:21 ` [PATCH v1 06/24] IB/uverbs: Helper function to initialize ufile member of uverbs_attr_bundle Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 07/24] IB/uverbs: Add context import lock/unlock helper Yuval Shaia
2019-08-21 14:57 ` Jason Gunthorpe
2019-08-21 14:21 ` [PATCH v1 08/24] IB/verbs: Prototype of HW object clone callback Yuval Shaia
2019-08-21 14:59 ` Jason Gunthorpe
2019-08-21 14:21 ` [PATCH v1 09/24] IB/core: Install clone ib_pd in device ops Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 10/24] IB/mlx4: Add implementation of clone_pd callback Yuval Shaia
2019-08-21 14:59 ` Jason Gunthorpe
2019-08-21 14:21 ` [PATCH v1 11/24] IB/mlx5: " Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 12/24] RDMA/rxe: " Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 13/24] IB/uverbs: Add clone reference counting to ib_pd Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 14/24] IB/uverbs: Add PD import verb Yuval Shaia
2019-08-21 15:00 ` Jason Gunthorpe
2019-08-21 14:21 ` [PATCH v1 15/24] IB/mlx4: Enable import from FD verb Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 16/24] IB/mlx5: " Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 17/24] RDMA/rxe: " Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 18/24] IB/core: ib_mr should not have ib_uobject pointer Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 19/24] IB/core: Install clone ib_mr in device ops Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 20/24] IB/mlx4: Add implementation of clone_pd callback Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 21/24] IB/mlx5: " Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 22/24] RDMA/rxe: " Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 23/24] IB/uverbs: Add clone reference counting to ib_mr Yuval Shaia
2019-08-21 14:21 ` [PATCH v1 24/24] IB/uverbs: Add MR import verb Yuval Shaia
2019-08-21 14:50 ` [PATCH v1 00/24] Shared PD and MR Jason Gunthorpe
2019-08-22 8:50 ` Yuval Shaia
2019-08-21 23:37 ` Ira Weiny
2019-08-22 8:41 ` Yuval Shaia
2019-08-22 14:15 ` Doug Ledford
2019-08-26 9:35 ` Yuval Shaia
2019-08-22 16:58 ` Ira Weiny
2019-08-22 17:03 ` Jason Gunthorpe
2019-08-22 20:10 ` Weiny, Ira
2019-08-23 11:57 ` Jason Gunthorpe
2019-08-23 21:33 ` Weiny, Ira
2019-08-26 10:58 ` Yuval Shaia
2019-08-26 10:29 ` Yuval Shaia
2019-08-26 12:26 ` Jason Gunthorpe
2019-08-26 9:51 ` Yuval Shaia
2019-08-26 10:04 ` Yuval Shaia
2019-08-26 10:10 ` Yuval Shaia [this message]
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