From: Sean Christopherson <seanjc@google.com>
To: Chenyi Qiang <chenyi.qiang@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
Xiaoyao Li <xiaoyao.li@intel.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] KVM: nVMX: Fix nested bus lock VM exit
Date: Mon, 20 Sep 2021 14:52:41 +0000 [thread overview]
Message-ID: <YUigOQ6wL/NSXqjO@google.com> (raw)
In-Reply-To: <20210914095041.29764-1-chenyi.qiang@intel.com>
On Tue, Sep 14, 2021, Chenyi Qiang wrote:
> Nested bus lock VM exits are not supported yet. If L2 triggers bus lock
> VM exit, it will be directed to L1 VMM, which would cause unexpected
> behavior. Therefore, handle L2's bus lock VM exits in L0 directly.
>
> Fixes: fe6b6bc802b4 ("KVM: VMX: Enable bus lock VM exit")
Cc: stable@vger.kernel.org
> Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
>
> ---
Reviewed-by: Sean Christopherson <seanjc@google.com>
next prev parent reply other threads:[~2021-09-20 14:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-14 9:50 [PATCH v2] KVM: nVMX: Fix nested bus lock VM exit Chenyi Qiang
2021-09-20 14:52 ` Sean Christopherson [this message]
2021-09-22 9:57 ` Paolo Bonzini
2021-09-22 2:00 ` Xiaoyao Li
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