From: Jason Gunthorpe <jgg@nvidia.com>
To: Leon Romanovsky <leon@kernel.org>
Cc: Yanjun Zhu <yanjun.zhu@linux.dev>,
Leon Romanovsky <leo@kernel.org>,
linux-rdma@vger.kernel.org
Subject: Re: [PATCH] rdma: not display the rdma link in other net namespace
Date: Thu, 6 Oct 2022 13:23:05 -0300 [thread overview]
Message-ID: <Yz8A6az2rIjEDEGk@nvidia.com> (raw)
In-Reply-To: <Yz8Ak/Pxz13fP4zE@unreal>
On Thu, Oct 06, 2022 at 07:21:39PM +0300, Leon Romanovsky wrote:
> > And in exclusive mode, a rdma link that can not be accessed in net namespace
> > A still
> >
> > appears in net namespace A when running "rdma link show" in net namespace A.
> >
> > The above is different from others in net namespace.
> >
> > For example, in net namespace, if net device NIC0 is moved to net namespace
> > B from net namespace A,
> >
> > this NIC0 will not appear in net namespace A when running "ip link" command
> > in net namespace A.
> >
> > Is it a problem?
>
> rdmatool presents IB devices. It has no logic that decides if that
> device is usable/operable or not.
It should really not report an IB device that is not in the net
namespace..
I'm surprised this hasn't been noticed because it will break verbs.
Jason
next prev parent reply other threads:[~2022-10-06 16:23 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-26 2:40 [PATCH] rdma: not display the rdma link in other net namespace yanjun.zhu
2022-09-25 10:22 ` Yanjun Zhu
2022-09-27 10:34 ` Leon Romanovsky
2022-09-27 10:58 ` Yanjun Zhu
2022-09-28 6:04 ` Leon Romanovsky
2022-09-30 7:25 ` Yanjun Zhu
2022-10-06 12:53 ` Leon Romanovsky
2022-10-06 14:26 ` Yanjun Zhu
2022-10-06 16:21 ` Leon Romanovsky
2022-10-06 16:23 ` Jason Gunthorpe [this message]
2022-10-07 6:21 ` Leon Romanovsky
2022-10-07 6:56 ` Yanjun Zhu
2022-10-11 0:25 ` [RFC PATCH 1/1] RDMA/core: Fix a problem from rdma link in exclusive mode Zhu Yanjun
2022-10-11 10:12 ` Leon Romanovsky
2022-10-11 15:08 ` Yanjun Zhu
2022-10-13 8:30 ` yanjun.zhu
2022-10-09 10:20 ` [PATCH] rdma: not display the rdma link in other net namespace yanjun.zhu
2022-10-11 9:49 ` Leon Romanovsky
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