From: "Mickaël Salaün" <mic@digikod.net>
To: Nicolas Saenz Julienne <nsaenz@amazon.com>
Cc: "Sean Christopherson" <seanjc@google.com>,
"Borislav Petkov" <bp@alien8.de>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"H . Peter Anvin" <hpa@zytor.com>,
"Ingo Molnar" <mingo@redhat.com>,
"Kees Cook" <keescook@chromium.org>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Vitaly Kuznetsov" <vkuznets@redhat.com>,
"Wanpeng Li" <wanpengli@tencent.com>,
"Rick P Edgecombe" <rick.p.edgecombe@intel.com>,
"Alexander Graf" <graf@amazon.com>,
"Angelina Vu" <angelinavu@linux.microsoft.com>,
"Anna Trikalinou" <atrikalinou@microsoft.com>,
"Chao Peng" <chao.p.peng@linux.intel.com>,
"Forrest Yuan Yu" <yuanyu@google.com>,
"James Gowans" <jgowans@amazon.com>,
"James Morris" <jamorris@linux.microsoft.com>,
"John Andersen" <john.s.andersen@intel.com>,
"Madhavan T . Venkataraman" <madvenka@linux.microsoft.com>,
"Marian Rotariu" <marian.c.rotariu@gmail.com>,
"Mihai Donțu" <mdontu@bitdefender.com>,
"Nicușor Cîțu" <nicu.citu@icloud.com>,
"Thara Gopinath" <tgopinath@microsoft.com>,
"Trilok Soni" <quic_tsoni@quicinc.com>,
"Wei Liu" <wei.liu@kernel.org>, "Will Deacon" <will@kernel.org>,
"Yu Zhang" <yu.c.zhang@linux.intel.com>,
"Ștefan Șicleru" <ssicleru@bitdefender.com>,
dev@lists.cloudhypervisor.org, kvm@vger.kernel.org,
linux-hardening@vger.kernel.org, linux-hyperv@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org, qemu-devel@nongnu.org,
virtualization@lists.linux-foundation.org, x86@kernel.org,
xen-devel@lists.xenproject.org
Subject: Re: [RFC PATCH v3 3/5] KVM: x86: Add notifications for Heki policy configuration and violation
Date: Tue, 14 May 2024 14:23:42 +0200 [thread overview]
Message-ID: <20240514.mai3Ahdoo2qu@digikod.net> (raw)
In-Reply-To: <D15VQ97L5M8J.1TDNQE6KLW6JO@amazon.com>
On Fri, May 10, 2024 at 10:07:00AM +0000, Nicolas Saenz Julienne wrote:
> On Tue May 7, 2024 at 4:16 PM UTC, Sean Christopherson wrote:
> > > If yes, that would indeed require a *lot* of work for something we're not
> > > sure will be accepted later on.
> >
> > Yes and no. The AWS folks are pursuing VSM support in KVM+QEMU, and SVSM support
> > is trending toward the paired VM+vCPU model. IMO, it's entirely feasible to
> > design KVM support such that much of the development load can be shared between
> > the projects. And having 2+ use cases for a feature (set) makes it _much_ more
> > likely that the feature(s) will be accepted.
>
> Since Sean mentioned our VSM efforts, a small update. We were able to
> validate the concept of one KVM VM per VTL as discussed in LPC. Right
> now only for single CPU guests, but are in the late stages of bringing
> up MP support. The resulting KVM code is small, and most will be
> uncontroversial (I hope). If other obligations allow it, we plan on
> having something suitable for review in the coming months.
Looks good!
>
> Our implementation aims to implement all the VSM spec necessary to run
> with Microsoft Credential Guard. But note that some aspects necessary
> for HVCI are not covered, especially the ones that depend on MBEC
> support, or some categories of secure intercepts.
We already implemented support for MBEC, so that should not be an issue.
We just need to find the best interface to configure it.
>
> Development happens
> https://github.com/vianpl/{linux,qemu,kvm-unit-tests} and the vsm-next
> branch, but I'd advice against looking into it until we add some order
> to the rework. Regardless, feel free to get in touch.
Thanks for the update.
Could we schedule a PUCK meeting to synchronize and help each other?
What about June 12?
next prev parent reply other threads:[~2024-05-14 12:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-03 13:19 [RFC PATCH v3 0/5] Hypervisor-Enforced Kernel Integrity - CR pinning Mickaël Salaün
2024-05-03 13:19 ` [RFC PATCH v3 1/5] virt: Introduce Hypervisor Enforced Kernel Integrity (Heki) Mickaël Salaün
2024-05-03 13:19 ` [RFC PATCH v3 2/5] KVM: x86: Add new hypercall to lock control registers Mickaël Salaün
2024-05-03 13:19 ` [RFC PATCH v3 3/5] KVM: x86: Add notifications for Heki policy configuration and violation Mickaël Salaün
2024-05-03 14:03 ` Sean Christopherson
2024-05-06 17:50 ` Mickaël Salaün
2024-05-07 1:34 ` Sean Christopherson
2024-05-07 9:30 ` Mickaël Salaün
2024-05-07 16:16 ` Sean Christopherson
2024-05-10 10:07 ` Nicolas Saenz Julienne
2024-05-14 12:23 ` Mickaël Salaün [this message]
2024-05-15 20:32 ` Sean Christopherson
2024-05-16 14:02 ` Nicolas Saenz Julienne
2024-05-14 12:15 ` Mickaël Salaün
2024-05-03 13:19 ` [RFC PATCH v3 4/5] heki: Lock guest control registers at the end of guest kernel init Mickaël Salaün
2024-05-03 13:19 ` [RFC PATCH v3 5/5] virt: Add Heki KUnit tests Mickaël Salaün
2024-05-03 13:49 ` [RFC PATCH v3 0/5] Hypervisor-Enforced Kernel Integrity - CR pinning Sean Christopherson
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