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
