From: Paolo Bonzini <pbonzini@redhat.com>
To: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Dan Cross <dcross@google.com>, Peter Shier <pshier@google.com>
Subject: Re: [PATCH v2 0/7] KVM: nVMX: Bug fixes and cleanup
Date: Fri, 25 Sep 2020 23:35:22 +0200 [thread overview]
Message-ID: <08e40284-201f-2d18-ff4e-c85b4f767f20@redhat.com> (raw)
In-Reply-To: <20200923184452.980-1-sean.j.christopherson@intel.com>
On 23/09/20 20:44, Sean Christopherson wrote:
> Fix for a brutal segment caching bug that manifested as random nested
> VM-Enter failures when running with unrestricted guest disabled. A few
> more bug fixes and cleanups for stuff found by inspection when hunting
> down the caching issue.
>
> v2:
> - Rebased to kvm/queue, commit e1ba1a15af73 ("KVM: SVM: Enable INVPCID
> feature on AMD").
>
> Sean Christopherson (7):
> KVM: nVMX: Reset the segment cache when stuffing guest segs
> KVM: nVMX: Reload vmcs01 if getting vmcs12's pages fails
> KVM: nVMX: Explicitly check for valid guest state for !unrestricted
> guest
> KVM: nVMX: Move free_nested() below vmx_switch_vmcs()
> KVM: nVMX: Ensure vmcs01 is the loaded VMCS when freeing nested state
> KVM: nVMX: Drop redundant VMCS switch and free_nested() call
> KVM: nVMX: WARN on attempt to switch the currently loaded VMCS
>
> arch/x86/kvm/vmx/nested.c | 103 ++++++++++++++++++++------------------
> arch/x86/kvm/vmx/vmx.c | 8 +--
> arch/x86/kvm/vmx/vmx.h | 9 ++++
> 3 files changed, 65 insertions(+), 55 deletions(-)
>
Queued, thanks.
Paolo
prev parent reply other threads:[~2020-09-25 21:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-23 18:44 Sean Christopherson
2020-09-23 18:44 ` [PATCH v2 1/7] KVM: nVMX: Reset the segment cache when stuffing guest segs Sean Christopherson
2020-09-23 18:44 ` [PATCH v2 2/7] KVM: nVMX: Reload vmcs01 if getting vmcs12's pages fails Sean Christopherson
2020-09-23 18:44 ` [PATCH v2 3/7] KVM: nVMX: Explicitly check for valid guest state for !unrestricted guest Sean Christopherson
2020-09-25 21:33 ` Paolo Bonzini
2020-09-23 18:44 ` [PATCH v2 4/7] KVM: nVMX: Move free_nested() below vmx_switch_vmcs() Sean Christopherson
2020-09-23 18:44 ` [PATCH v2 5/7] KVM: nVMX: Ensure vmcs01 is the loaded VMCS when freeing nested state Sean Christopherson
2020-09-23 18:44 ` [PATCH v2 6/7] KVM: nVMX: Drop redundant VMCS switch and free_nested() call Sean Christopherson
2020-09-23 18:44 ` [PATCH v2 7/7] KVM: nVMX: WARN on attempt to switch the currently loaded VMCS Sean Christopherson
2020-09-25 21:35 ` Paolo Bonzini [this message]
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