From: Halil Pasic <pasic@linux.ibm.com>
To: Leon Romanovsky <leon@kernel.org>
Cc: Wenjia Zhang <wenjia@linux.ibm.com>,
Wen Gu <guwen@linux.alibaba.com>,
"D. Wythe" <alibuda@linux.alibaba.com>,
Tony Lu <tonylu@linux.alibaba.com>,
David Miller <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-s390@vger.kernel.org, Heiko Carstens <hca@linux.ibm.com>,
Jan Karcher <jaka@linux.ibm.com>,
Gerd Bayer <gbayer@linux.ibm.com>,
Alexandra Winter <wintera@linux.ibm.com>,
Nils Hoppmann <niho@linux.ibm.com>,
Niklas Schnell <schnelle@linux.ibm.com>,
Thorsten Winkler <twinkler@linux.ibm.com>,
Karsten Graul <kgraul@linux.ibm.com>,
Stefan Raspl <raspl@linux.ibm.com>, Aswin K <aswin@linux.ibm.com>,
Halil Pasic <pasic@linux.ibm.com>,
linux-cifs@vger.kernel.org
Subject: Re: [PATCH net] net/smc: Fix lookup of netdev by using ib_device_get_netdev()
Date: Thu, 7 Nov 2024 12:56:43 +0100 [thread overview]
Message-ID: <20241107125643.04f97394.pasic@linux.ibm.com> (raw)
In-Reply-To: <20241106135910.GF5006@unreal>
On Wed, 6 Nov 2024 15:59:10 +0200
Leon Romanovsky <leon@kernel.org> wrote:
> > Does fs/smb/server/transport_rdma.c qualify as inside of RDMA core code?
>
> RDMA core code is drivers/infiniband/core/*.
Understood. So this is a violation of the no direct access to the
callbacks rule.
>
> > I would guess it is not, and I would not actually mind sending a patch
> > but I have trouble figuring out the logic behind commit ecce70cf17d9
> > ("ksmbd: fix missing RDMA-capable flag for IPoIB device in
> > ksmbd_rdma_capable_netdev()").
>
> It is strange version of RDMA-CM. All other ULPs use RDMA-CM to avoid
> GID, netdev and fabric complexity.
I'm not familiar enough with either of the subsystems. Based on your
answer my guess is that it ain't outright bugous but still a layering
violation. Copying linux-cifs@vger.kernel.org so that
the smb are aware.
Thank you very much for all the explanations!
Regards,
Halil
next prev parent reply other threads:[~2024-11-07 11:56 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-25 7:23 [PATCH net] net/smc: Fix lookup of netdev by using ib_device_get_netdev() Wenjia Zhang
2024-10-25 8:57 ` Halil Pasic
2024-10-25 14:01 ` Simon Horman
2024-10-26 0:42 ` Dust Li
2024-10-27 11:18 ` Wen Gu
2024-10-27 19:28 ` Zhu Yanjun
2024-10-27 20:18 ` Leon Romanovsky
2024-10-27 20:30 ` Leon Romanovsky
2024-11-05 9:50 ` Wenjia Zhang
2024-11-05 11:23 ` Leon Romanovsky
2024-11-05 12:30 ` Wenjia Zhang
2024-11-05 13:39 ` Leon Romanovsky
2024-11-05 14:14 ` Wenjia Zhang
2024-11-06 9:24 ` Halil Pasic
2024-11-06 13:59 ` Leon Romanovsky
2024-11-07 11:47 ` Halil Pasic
2024-11-07 12:08 ` Leon Romanovsky
2024-11-07 11:56 ` Halil Pasic [this message]
2024-11-07 12:13 ` Leon Romanovsky
2024-11-07 23:40 ` Namjae Jeon
2024-11-08 17:59 ` Leon Romanovsky
2024-11-09 5:32 ` Namjae Jeon
2024-10-29 8:43 ` D. Wythe
2024-10-31 10:01 ` Paolo Abeni
2024-11-05 9:53 ` Wenjia Zhang
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