From: Paolo Bonzini <pbonzini@redhat.com>
To: Sean Christopherson <seanjc@google.com>,
Chenyi Qiang <chenyi.qiang@intel.com>
Cc: 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: Wed, 22 Sep 2021 11:57:01 +0200 [thread overview]
Message-ID: <37eb4ef4-7dd2-1bbb-f250-8a600b91e749@redhat.com> (raw)
In-Reply-To: <YUigOQ6wL/NSXqjO@google.com>
On 20/09/21 16:52, Sean Christopherson wrote:
> 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>
>
Queued, thanks.
Paolo
next prev parent reply other threads:[~2021-09-22 9:57 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
2021-09-22 9:57 ` Paolo Bonzini [this message]
2021-09-22 2:00 ` Xiaoyao Li
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