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[47.54.130.67]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8f1a7b26b2csm3323366d6.45.2026.06.29.10.58.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Jun 2026 10:58:48 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1weGFr-00000000OI1-1pXE; Mon, 29 Jun 2026 14:58:47 -0300 Date: Mon, 29 Jun 2026 14:58:47 -0300 From: Jason Gunthorpe To: Dennis Dalessandro Cc: leon@kernel.org, Dean Luick , Arnd Bergmann , Douglas Miller , Breandan Cunningham , linux-rdma@vger.kernel.org Subject: Re: [PATCH v2 for-next 00/24] Migrate to hfi2 driver Message-ID: <20260629175847.GA7525@ziepe.ca> References: <178257721001.371918.6610421101075283586.stgit@awdrv-04> Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <178257721001.371918.6610421101075283586.stgit@awdrv-04> On Sat, Jun 27, 2026 at 12:24:54PM -0400, Dennis Dalessandro wrote: > While sharing similar bones, the chip for the Cornelis Networks next > generation fabric technology has some fundamental differences that > resulted in a near complete re-write of the driver. It also does not > use the private cdev interface that the hfi1 driver exposes. After > discussing this with the RDMA maintainers we have decided to go with > the approach of moving to a new driver and declaring hfi1 obsolete. > > It is desirable to keep hfi1 around temporarily to let user APIs > catch up to support access through the uverbs device rather than the > private hfi1 cdev. > > This driver is designed to support future products as well. > > This series applies on top of the rdma/for-next branch. > > This series will be followed up to pick up any remaining changes from > hfi1 that were not yet incorporated in our internal development tree. > > Changelogs in individual patches but the highligths are as follows… You are going to have to go through a fix the relavent sashiko things. There sure are alot :\ https://sashiko.dev/#/patchset/178257721001.371918.6610421101075283586.stgit%40awdrv-04 Jason