From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6208486329; Wed, 23 Sep 2026 00:16:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790122613; cv=none; b=FTQ5CeJaJZ49wYwX7AiEchQe0wOqyJPMV5YC0gMRZmfN7chLa7qY5ML3aOo9MYp4w8Otks9itaoc7Rptcfpz5G7k+sUaaS5F4MTp5h4L7SSRUOw2Qro48vnEx2KWvVnPdamJ1CXk3HPiS0BONQP3Lm7LlKqY464a5ouJAAf3aoM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790122613; c=relaxed/simple; bh=PdJN38GtvBaVmtStM49iEIerdNIoUBgoWJhVeW1wEg8=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=CaQCamHQqGZ9pYMYMP/Yl3lQJ99HA7WpUuRYhFhz/VcuGNuMBdO9w+NmV74P684xHsEwuhjI3nqjhFV+conjPeDzuQ9o2pRFIqOiZB3v0KehGjmiMHTJGHH0Z+OwO/Nf6DnGfzCHyH8KGi2GwqJGPih8O/Dq5K4bZcee3PQzzek= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bkcEgQuL; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bkcEgQuL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 392E21F000FF; Wed, 23 Sep 2026 00:16:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790122611; bh=PdJN38GtvBaVmtStM49iEIerdNIoUBgoWJhVeW1wEg8=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=bkcEgQuLL16y8QC+0gdllTUn7AybM41Cii1cv/CnUKbr9A1UJuGfivJlOU8FECVkN q1j+nmZX2WTE5gXko0K3x/0C5OWrwzAfaxc4mYHRzNDhd7nEjMTnUpeiU2sAJ8NKDL qeLgCfywgLEZoJLoxFEJ/xiN+n8jZUMbOguDhySCHgRCzgN4mAAvSIafR6UPy3sLX+ B4nU4jDD0CAKXD0jyUODimfhEGKiwCxLV/L5F9qW0sIdEnXXKdBn2p8OXgFZ0tEG3v KdXEx0GYxYEUyh9s+OYr2R5G1J0zR6ZSdn2CfNsbNoQ+8xbdnDxDAHja6xBOpaq444 3M4f6BayQs7tQ== Date: Tue, 22 Sep 2026 17:16:50 -0700 From: Jakub Kicinski To: "Austin, Alex (DCCG)" Cc: Konstantin Sinyuk , dri-devel@lists.freedesktop.org, Maarten Lankhorst , Francois Dugast , David Airlie , Simona Vetter , Maxime Ripard , Thomas Zimmermann , Jonathan Corbet , Shuah Khan , Donald Hunter , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Ilia Levi , Rodrigo Vivi , linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, pieter.jansen-van-vuuren@amd.com, "Lucero Palau, Alejandro" Subject: Re: [RFC PATCH 0/12] drm/fabric: vendor-neutral topology infrastructure for scale-up accelerator interconnects Message-ID: <20260922171650.1003abc2@kernel.org> In-Reply-To: <21f4b63b-1aed-47ca-a766-dcce8fe55203@amd.com> References: <21f4b63b-1aed-47ca-a766-dcce8fe55203@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Tue, 22 Sep 2026 17:24:01 +0100 Austin, Alex (DCCG) wrote: > Sorry for jumping in late to this discussion. We have hardware that uses > UALoE (https://www.amd.com/en/products/rackscale-solutions/helios.html). > The suggestion from Jason is sensible: a new subsystem for fabrics and > reuse ethernet stuff from networking subsystem where possible. We would > like to continue discussing this -=C2=A0 Alejandro and I will be attending > Plumbers virtually. Please don't "reuse" any networking subsystem code without an ack from a networking maintainers.