From: Santosh Shukla <santosh.shukla@amd.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
Tom Lendacky <thomas.lendacky@amd.com>, <kvm@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <santosh.shukla@amd.com>,
<mlevitsk@redhat.com>
Subject: [PATCHv3 8/8] KVM: SVM: Enable VNMI feature
Date: Wed, 10 Aug 2022 11:42:26 +0530 [thread overview]
Message-ID: <20220810061226.1286-9-santosh.shukla@amd.com> (raw)
In-Reply-To: <20220810061226.1286-1-santosh.shukla@amd.com>
Enable the NMI virtualization (V_NMI_ENABLE) in the VMCB interrupt
control when the vnmi module parameter is set.
Signed-off-by: Santosh Shukla <santosh.shukla@amd.com>
---
arch/x86/kvm/svm/svm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index c9636e033782..eefb4d5428c4 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1309,6 +1309,9 @@ static void init_vmcb(struct kvm_vcpu *vcpu)
if (kvm_vcpu_apicv_active(vcpu))
avic_init_vmcb(svm, vmcb);
+ if (vnmi)
+ svm->vmcb->control.int_ctl |= V_NMI_ENABLE;
+
if (vgif) {
svm_clr_intercept(svm, INTERCEPT_STGI);
svm_clr_intercept(svm, INTERCEPT_CLGI);
--
2.25.1
prev parent reply other threads:[~2022-08-10 6:18 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-10 6:12 [PATCHv3 0/8] Virtual NMI feature Santosh Shukla
2022-08-10 6:12 ` [PATCHv3 1/8] x86/cpu: Add CPUID feature bit for VNMI Santosh Shukla
2022-08-10 6:12 ` [PATCHv3 2/8] KVM: SVM: Add VNMI bit definition Santosh Shukla
2022-08-10 6:12 ` [PATCHv3 3/8] KVM: SVM: Add VNMI support in get/set_nmi_mask Santosh Shukla
2022-08-10 6:12 ` [PATCHv3 4/8] KVM: SVM: Report NMI not allowed when Guest busy handling VNMI Santosh Shukla
2022-08-10 6:12 ` [PATCHv3 5/8] KVM: SVM: Add VNMI support in inject_nmi Santosh Shukla
2022-08-10 21:24 ` Maciej S. Szmigiero
2022-08-24 12:13 ` Shukla, Santosh
2022-08-24 12:56 ` Maciej S. Szmigiero
2022-08-25 10:56 ` Shukla, Santosh
2022-08-25 12:45 ` Maciej S. Szmigiero
2022-08-25 14:05 ` Shukla, Santosh
2022-08-25 14:16 ` Maciej S. Szmigiero
2022-08-26 9:35 ` Shukla, Santosh
2022-08-26 12:20 ` Maciej S. Szmigiero
2022-08-26 16:26 ` Shukla, Santosh
2022-08-10 6:12 ` [PATCHv3 6/8] KVM: nSVM: implement nested VNMI Santosh Shukla
2022-08-10 6:12 ` [PATCHv3 7/8] KVM: nSVM: emulate VMEXIT_INVALID case for " Santosh Shukla
2022-08-10 6:12 ` Santosh Shukla [this message]
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