From: Aaron Lewis <aaronlewis@google.com>
To: Alexander Graf <graf@amazon.com>
Cc: kvm list <kvm@vger.kernel.org>,
Sean Christopherson <sean.j.christopherson@intel.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Jonathan Corbet <corbet@lwn.net>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
KarimAllah Raslan <karahmed@amazon.de>,
Dan Carpenter <dan.carpenter@oracle.com>,
Maxim Levitsky <mlevitsk@redhat.com>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v8 8/8] KVM: selftests: Add test for user space MSR handling
Date: Mon, 28 Sep 2020 09:10:45 -0700 [thread overview]
Message-ID: <CAAAPnDFwABBaviHFCspa7222=thJStAPK6tL8jd_2CnMsH--2A@mail.gmail.com> (raw)
In-Reply-To: <20200925143422.21718-9-graf@amazon.com>
On Fri, Sep 25, 2020 at 7:36 AM Alexander Graf <graf@amazon.com> wrote:
>
> Now that we have the ability to handle MSRs from user space and also to
> select which ones we do want to prevent in-kernel KVM code from handling,
> let's add a selftest to show case and verify the API.
>
> Signed-off-by: Alexander Graf <graf@amazon.com>
Reviewed-by: Aaron Lewis <aaronlewis@google.com>
>
> ---
>
> v2 -> v3:
>
> - s/KVM_CAP_ADD_MSR_ALLOWLIST/KVM_CAP_X86_MSR_ALLOWLIST/g
> - Add test to clear whitelist
> - Adjust to reply-less API
> - Fix asserts
> - Actually trap on MSR_IA32_POWER_CTL writes
>
> v5 -> v6:
>
> - Adapt to new ioctl API
> - Check for passthrough MSRs
> - Check for filter exit reason
> - Add .gitignore
>
prev parent reply other threads:[~2020-09-28 16:11 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-25 14:34 [PATCH v8 0/8] Allow user space to restrict and augment MSR emulation Alexander Graf
2020-09-25 14:34 ` [PATCH v8 1/8] KVM: x86: Return -ENOENT on unimplemented MSRs Alexander Graf
2020-09-25 16:40 ` Jim Mattson
2020-09-25 14:34 ` [PATCH v8 2/8] KVM: x86: Deflect unknown MSR accesses to user space Alexander Graf
2020-09-28 16:05 ` Aaron Lewis
2020-09-25 14:34 ` [PATCH v8 3/8] KVM: x86: Add infrastructure for MSR filtering Alexander Graf
2020-09-28 16:08 ` Aaron Lewis
2020-09-25 14:34 ` [PATCH v8 4/8] KVM: x86: Prepare MSR bitmaps for userspace tracked MSRs Alexander Graf
2020-09-25 14:34 ` [PATCH v8 5/8] KVM: x86: SVM: Prevent MSR passthrough when MSR access is denied Alexander Graf
2020-09-25 22:01 ` Paolo Bonzini
2020-09-25 22:22 ` Paolo Bonzini
2020-09-25 14:34 ` [PATCH v8 6/8] KVM: x86: VMX: " Alexander Graf
2020-10-02 1:11 ` Peter Xu
2020-10-05 18:43 ` Sean Christopherson
2020-09-25 14:34 ` [PATCH v8 7/8] KVM: x86: Introduce MSR filtering Alexander Graf
2020-09-28 16:09 ` Aaron Lewis
2020-09-25 14:34 ` [PATCH v8 8/8] KVM: selftests: Add test for user space MSR handling Alexander Graf
2020-09-28 16:10 ` Aaron Lewis [this message]
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