linux-kernel - Re: [RFC PATCH 00/67] KVM: X86: TDX support

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Message-ID: <20210520093155.GA3602295@private.email.ne.jp>
Date:   Thu, 20 May 2021 02:31:55 -0700
From:   Isaku Yamahata <isaku.yamahata@...il.com>
To:     Connor Kuehl <ckuehl@...hat.com>
Cc:     isaku.yamahata@...el.com, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        isaku.yamahata@...il.com
Subject: Re: [RFC PATCH 00/67] KVM: X86: TDX support

On Wed, May 19, 2021 at 11:37:23AM -0500,
Connor Kuehl <ckuehl@...hat.com> wrote:

> On 11/16/20 12:25 PM, isaku.yamahata@...el.com wrote:
> > From: Isaku Yamahata <isaku.yamahata@...el.com>
> > 
> > * 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.

Thanks,

-- 
Isaku Yamahata <isaku.yamahata@...il.com>