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 12A80332EC1; Thu, 3 Sep 2026 06:52:00 +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=1788418322; cv=none; b=B4xKrAZ7wGzhfOomtmnAuEQYhpOL0SaEvWad12xtKpMdimJlsx/UVafGP2daWyyFjciyUuE5BtbK4cpNSSU4oX53qqAF9pjbGuWedVpffy5wqN72OskFa0dTeZ3aWh2bPBusntUYnVfmwH9HdaXdBeQIOcfiKshtAvfbwvHWndU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788418322; c=relaxed/simple; bh=aZgF/Upb9K/OZiFLX1yerLvsEMo9DhiK02Fu0s3b3YU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DJoQOG/be7dT1FImlc41V6YXwjZWd5WXNyBEBhmStOV35SNUttZIoUl6twwAlDEP3hEBGOcFF35Qng8k+8g/donBjrmYDskF2dI1R1c8b55OKq13ddGBu5MSZyafmnsIXSkJeREE7pP0bP05ITVP/6lYHkeGoCleu9x5PcEIMJo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YzqG5t/H; 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="YzqG5t/H" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EE9CE1F000E9; Thu, 3 Sep 2026 06:51:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788418320; bh=vr5cCi0rpgJcIMNvNW0lZWsSJFLwrtXn++DANl8aBeA=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=YzqG5t/HyXg3yDjTosqFWISU0tY5fDQeVBQAh0E2rxGdEIoh+F5PgERhw1+TrNGpz Z4MguECZSlyuAWXNx/qYjyCJBqE5WvzINrYnM7uSaOk7Si6qdRSOUw0zGE/E+ZFYOV VjZWG0y//qsU+ZWOy5b84KnMBAjIj3S3gHENnWt5OycJ/mBTWerhdM5ElUCgcKHa2f vxUrnD1o3qHMhGi6klxCAguPOr0WQfosG3MGjDF9WmuqWs5mweKABcM+HX7H+BnSQZ 85/VMMNe633taGP4shqTj8+zqC/l1vM67/C87AGBVi9b+uQnNiKAFUHt3c0bfTbxnY 5z8hj230E0qRg== Date: Thu, 3 Sep 2026 09:51:56 +0300 From: Leon Romanovsky To: "Aneesh Kumar K.V" Cc: Jason Gunthorpe , Alexey Kardashevskiy , Xu Yilun , ankita@nvidia.com, linux-coco@lists.linux.dev, linux-pci@vger.kernel.org, driver-core@lists.linux.dev, Aaron Tomlin , Alistair Francis , Arnd Bergmann , Bjorn Helgaas , Daniel Gomez , Danilo Krummrich , Dexuan Cui , Donald Hunter , Greg Kroah-Hartman , Jakub Kicinski , Luis Chamberlain , Lukas Wunner , Petr Pavlu , "Rafael J. Wysocki" , Robin Murphy , Sami Tolvanen , Samuel Ortiz , Saravana Kannan , Will Deacon , "Fontenot, Nathan" , rick.p.edgecombe@intel.com, yilun.xu@intel.com, Jiri Pirko Subject: Re: [PATCH 00/15] Device Evidence and Trust for PCI Security Protocol (TDISP) Message-ID: <20260903065156.GX24140@unreal> References: <20260705220819.2472765-1-djbw@kernel.org> <4c43da3e-c598-48cf-8491-cb958e574c9c@amd.com> <20260805005533.GB28508@ziepe.ca> <2e721509-0aee-47ee-b17a-688876e02f74@amd.com> <20260902150125.GD2890729@ziepe.ca> Precedence: bulk X-Mailing-List: linux-pci@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: On Thu, Sep 03, 2026 at 11:29:04AM +0530, Aneesh Kumar K.V wrote: > Jason Gunthorpe writes: > > > On Wed, Sep 02, 2026 at 12:20:51PM +1000, Alexey Kardashevskiy wrote: > >> On 2/9/26 12:12, Xu Yilun wrote: > >> > On Tue, Aug 04, 2026 at 09:55:33PM -0300, Jason Gunthorpe wrote: > >> > > On Tue, Aug 04, 2026 at 09:48:30AM +0800, Xu Yilun wrote: > >> > > > >> > > > Glad to see you all here to make progress! Intel can also help on this. > >> > > > Can we have a meeting to discuss on these topics? As Alexey mentioned, > >> > > > previously we had a bi-weekly call, perhaps use that for our first > >> > > > meeting? Or what time works best for everyone? > >> > > > >> > > I prefer we defer such community discussions till September, that > >> > > seems appropriate given some dates I've seen. > >> > > >> > Hi Ankit & Jason, > >> > > >> > Do we have a plan to schedule a meeting to discuss next steps? > >> > > >> > If so, we can figure out a specific time on the Discord channel. > >> > https://discord.gg/KKqC438c > > > >> So I've been trying to find a time slot. Say, keep it on Thursdays > >> (USA) (kinda short notice), bi-weekly, we can do: > > > > I've asked several people in Europe to help on parts of this series, > > and combined with China/Aus someone is going to end up left out. > > > > I know people are anxious about their projects. In the short term I > > will volunteer to send patches (ie bug fixes!) to Linus in the CC area > > Dan was responsible for. Please email me if something needs some > > attention and we can figure it out. > > > > To fully move forward we need to establish a new TSM maintainer > > team. In my past experience a consensus has emerged off list, I > > suggest we try that here as well. Several people should be > > recruited. I will also volunteer to help train and launch a new team. > > > > I can say that several people from NVIDIA are working on the ideas in > > this patch series. Ankit is setting up a team to focus on upstream > > patches for all of CC inside NVIDIA. I've asked Jiri Pirko to work on > > the PCI evidence uAPI based on his deep netlink experience, and Leon > > Romanovsky to work on the binding problem/adversarial/trust level > > driver core idea. They will share their approaches for solving these > > problems as seperate proposals. > > > > > I can also help with the device trust and iommufd interfaces, as well as > the CCA DA pieces. We need to find someone to take on dma-buf, as that is > one area we have not yet integrated with the full TDISP flow. Given my recent involvement in dma-buf, I can try to fill that gap. > > > > >> Scenario A: > >> Seattle (PDT, UTC-7) 07:00 – 08:00 Day 1 > >> Atlantic Time (ADT, UTC-3) 11:00 – 12:00 Day 1 > >> Berlin (CEST, UTC+2) 16:00 – 17:00 Day 1 > >> India (IST, UTC+5:30) 19:30 – 20:30 Day 1 > >> China (CST, UTC+8) 22:00 – 23:00 Day 1 > >> Sydney (AEST, UTC+10) 00:00 – 01:00 Day 2 (I can do it once in 2 weeks) > > > > This is the only time Europe could reasonably participate in, > > obviously it is not OK for China and Aus. > > > > I'm based in India, and all the proposed times work for me. Who is based > in Europe? Jiri and I are in the European time zone. > > Jason -> Canada ? Yes > Yilun -> China > Alexey -> Australia > Ankit Agarwal -> US ? > Aneesh -> India Thanks