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Message-Id: <20221020093055.224317-2-mlevitsk@redhat.com>
Date: Thu, 20 Oct 2022 12:30:52 +0300
From: Maxim Levitsky <mlevitsk@...hat.com>
To: kvm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...hat.com>,
Sean Christopherson <seanjc@...gle.com>, x86@...nel.org,
Thomas Gleixner <tglx@...utronix.de>,
Dave Hansen <dave.hansen@...ux.intel.com>,
"H. Peter Anvin" <hpa@...or.com>,
Maxim Levitsky <mlevitsk@...hat.com>, stable@...r.kernel.org
Subject: [PATCH 1/4] KVM: x86: nSVM: leave nested mode on vCPU free
If the VM was terminated while nested, we free the nested state
while the vCPU still is in nested mode.
Soon a warning will be added for this condition.
Cc: stable@...r.kernel.org
Signed-off-by: Maxim Levitsky <mlevitsk@...hat.com>
---
arch/x86/kvm/svm/svm.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 58f0077d935799..958faa8807f52b 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1439,6 +1439,7 @@ static void svm_vcpu_free(struct kvm_vcpu *vcpu)
*/
svm_clear_current_vmcb(svm->vmcb);
+ svm_leave_nested(vcpu);
svm_free_nested(svm);
sev_free_vcpu(vcpu);
--
2.26.3
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