From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E9EB8A93C; Mon, 17 Jul 2023 09:40:57 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 381E8D75; Mon, 17 Jul 2023 02:41:39 -0700 (PDT) Received: from [10.1.27.35] (FVFF763DQ05P.cambridge.arm.com [10.1.27.35]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7A8523F73F; Mon, 17 Jul 2023 02:40:52 -0700 (PDT) Message-ID: <0c069be6-d67b-cb2c-9f1e-e65d45eda0f8@arm.com> Date: Mon, 17 Jul 2023 10:40:51 +0100 Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [RFC] Support for Arm CCA VMs on Linux To: Jonathan Cameron Cc: linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Alexandru Elisei , Andrew Jones , Catalin Marinas , Chao Peng , Christoffer Dall , Fuad Tabba , James Morse , Jean-Philippe Brucker , Joey Gouly , Marc Zyngier , Mark Rutland , Oliver Upton , Paolo Bonzini , Quentin Perret , Sean Christopherson , Steven Price , Thomas Huth , Will Deacon , Zenghui Yu , kvmarm@lists.cs.columbia.edu References: <20230127112248.136810-1-suzuki.poulose@arm.com> <20230714144657.000064ef@Huawei.com> <42cbffac-05a8-a279-9bdb-f76354c1a1b1@arm.com> <20230714172825.00003e81@Huawei.com> From: Suzuki K Poulose In-Reply-To: <20230714172825.00003e81@Huawei.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 14/07/2023 17:28, Jonathan Cameron wrote: > On Fri, 14 Jul 2023 16:03:37 +0100 > Suzuki K Poulose wrote: > >> Hi Jonathan >> >> On 14/07/2023 14:46, Jonathan Cameron wrote: >>> On Fri, 27 Jan 2023 11:22:48 +0000 >>> Suzuki K Poulose wrote: >>> >>> >>> Hi Suzuki, >>> >>> Looking at this has been on the backlog for a while from our side and we are finally >>> getting to it. So before we dive in and given it's been 6 months, I wanted to check >>> if you expect to post a new version shortly or if there is a rebased tree available? >> >> Thanks for your interest. We have been updating our trees to the latest >> RMM specification (v1.0-eac2 now) and also rebasing Linux/KVM on top of >> v6.5-rc1. We will post this as soon as we have all the components ready >> (and the TF-RMM). At the earliest, this would be around early September. >> >> That said, the revised version will have the following changes : >> - Changes to the Stage2 management >> - Changes to RMM memory management for Realm >> - PMU/SVE support >> >> Otherwise, most of the changes remain the same (e.g., UABI). Happy to >> hear feedback on those areas. > > Hi Suzuki, > > Thanks for the update. If there is any chance of visibility of changes > via a git tree etc that would be great in the meantime. If not, such is life > and I'll try to wait patiently :) + we'll review the existing code. I am afraid not yet. Thanks for reviewing the changes :-) Suzuki