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[68.103.222.6]) by smtp.gmail.com with ESMTPSA id b18sm1321193otk.62.2021.05.21.07.09.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 21 May 2021 07:09:08 -0700 (PDT) Subject: Re: [RFC PATCH 00/67] KVM: X86: TDX support To: Isaku Yamahata Cc: isaku.yamahata@intel.com, Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Paolo Bonzini , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org References: <3edc0fb2-d552-88df-eead-9e2b80e79be4@redhat.com> <20210520093155.GA3602295@private.email.ne.jp> From: Connor Kuehl Message-ID: Date: Fri, 21 May 2021 09:09:06 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210520093155.GA3602295@private.email.ne.jp> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 5/20/21 4:31 AM, Isaku Yamahata wrote: > On Wed, May 19, 2021 at 11:37:23AM -0500, > Connor Kuehl wrote: > >> On 11/16/20 12:25 PM, isaku.yamahata@intel.com wrote: >>> From: Isaku Yamahata >>> >>> * What's TDX? >>> TDX stands for Trust Domain Extensions which isolates VMs from >>> the virtual-machine manager (VMM)/hypervisor and any other software on >>> the platform. [1] >>> For details, the specifications, [2], [3], [4], [5], [6], [7], are >>> available. >>> >>> >>> * The goal of this RFC patch >>> The purpose of this post is to get feedback early on high level design >>> issue of KVM enhancement for TDX. The detailed coding (variable naming >>> etc) is not cared of. This patch series is incomplete (not working). >>> Although multiple software components, not only KVM but also QEMU, >>> guest Linux and virtual bios, need to be updated, this includes only >>> KVM VMM part. For those who are curious to changes to other >>> component, there are public repositories at github. [8], [9] >> >> Hi, >> >> I'm planning on reading through this patch set; but before I do, since >> it's been several months and it's a non-trivially sized series, I just >> wanted to confirm that this is the latest revision of the RFC that >> you'd like comments on. Or, if there's a more recent series that I've >> missed, I would be grateful for a pointer to it. > > Hi. I'm planning to post rebased/updated v2 soon. Hopefully next week. > So please wait for it. It will include non-trivial change and catch up for the updated spec. That sounds great. I'll keep an eye out. Thank you! Connor