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Message-Id: <20200423022550.15113-7-sean.j.christopherson@intel.com>
Date: Wed, 22 Apr 2020 19:25:43 -0700
From: Sean Christopherson <sean.j.christopherson@...el.com>
To: Paolo Bonzini <pbonzini@...hat.com>
Cc: Sean Christopherson <sean.j.christopherson@...el.com>,
Vitaly Kuznetsov <vkuznets@...hat.com>,
Wanpeng Li <wanpengli@...cent.com>,
Jim Mattson <jmattson@...gle.com>,
Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org, Oliver Upton <oupton@...gle.com>,
Peter Shier <pshier@...gle.com>
Subject: [PATCH 06/13] KVM: nVMX: Report NMIs as allowed when in L2 and Exit-on-NMI is set
Report NMIs as allowed when the vCPU is in L2 and L2 is being run with
Exit-on-NMI enabled, as NMIs are always unblocked from L1's perspective
in this case.
Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
---
arch/x86/kvm/vmx/vmx.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 7dd42e7fef94..c7bb9d90d441 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -4516,6 +4516,9 @@ static bool vmx_nmi_allowed(struct kvm_vcpu *vcpu)
if (to_vmx(vcpu)->nested.nested_run_pending)
return false;
+ if (is_guest_mode(vcpu) && nested_exit_on_nmi(vcpu))
+ return true;
+
if (!enable_vnmi &&
to_vmx(vcpu)->loaded_vmcs->soft_vnmi_blocked)
return false;
--
2.26.0
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