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([2a0d:3344:2712:7e10:4d59:d956:544f:d65c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-46e1dc48378sm8665135e9.8.2025.09.23.02.09.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Sep 2025 02:09:26 -0700 (PDT) Message-ID: <94bfc71a-178d-435d-b54a-117e8265f532@redhat.com> Date: Tue, 23 Sep 2025 11:09:24 +0200 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v2 04/14] dibs: Register smc as dibs_client To: Alexandra Winter , "D. Wythe" , Dust Li , Sidraya Jayagond , Wenjia Zhang , David Miller , Jakub Kicinski , Eric Dumazet , Andrew Lunn Cc: Julian Ruess , Aswin Karuvally , Halil Pasic , Mahanta Jambigi , Tony Lu , Wen Gu , linux-rdma@vger.kernel.org, netdev@vger.kernel.org, linux-s390@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Simon Horman , Eric Biggers , Ard Biesheuvel , Herbert Xu , Harald Freudenberger , Konstantin Shkolnyy References: <20250911194827.844125-1-wintera@linux.ibm.com> <20250911194827.844125-5-wintera@linux.ibm.com> Content-Language: en-US From: Paolo Abeni In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/16/25 10:37 AM, Alexandra Winter wrote: > On 16.09.25 09:40, Paolo Abeni wrote: >> On 9/11/25 9:48 PM, Alexandra Winter wrote: >>> diff --git a/net/smc/Kconfig b/net/smc/Kconfig >>> index ba5e6a2dd2fd..40dd60c1d23f 100644 >>> --- a/net/smc/Kconfig >>> +++ b/net/smc/Kconfig >>> @@ -1,7 +1,7 @@ >>> # SPDX-License-Identifier: GPL-2.0-only >>> config SMC >>> tristate "SMC socket protocol family" >>> - depends on INET && INFINIBAND >>> + depends on INET && INFINIBAND && DIBS >>> depends on m || ISM != m >>> help >>> SMC-R provides a "sockets over RDMA" solution making use of >> >> DIBS is tristate, and it looks like SMC build will fail with SMC=y and >> DIBS=m. I *think* you additionally need something alike: >> >> depends on m || DIBS != m >> >> /P >> > > > My understanding of 'SMC depends on DIBS' is that DIBS has to have > a higher or equal state than SMC (with y > m > n). You are right, I got lost in dependency hell, sorry. LGTM! /P