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| author |   Jan Kiszka <jan.kiszka@siemens.com> | 2008-09-26 09:30:51 +0200 |
|---|---|---|
| committer |   Avi Kivity <avi@redhat.com> | 2008-12-31 16:51:41 +0200 |
| commit | 66a5a347c2690db4c0756524a8eb5a05e0437aa8 (patch) | |
| tree | 2539e97b26b2b9539955381d5713aa42397cf84e /arch/x86/kvm/vmx.c | |
| parent | KVM: VMX: refactor IRQ and NMI window enabling (diff) | |
| download | linux-dev-66a5a347c2690db4c0756524a8eb5a05e0437aa8.tar.xz linux-dev-66a5a347c2690db4c0756524a8eb5a05e0437aa8.zip | |
KVM: VMX: fix real-mode NMI support
Fix NMI injection in real-mode with the same pattern we perform IRQ
injection.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 440f56cd4bdd..38d138566617 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2358,6 +2358,19 @@ static void vmx_inject_irq(struct kvm_vcpu *vcpu, int irq) static void vmx_inject_nmi(struct kvm_vcpu *vcpu) { + struct vcpu_vmx *vmx = to_vmx(vcpu); + + if (vcpu->arch.rmode.active) { + vmx->rmode.irq.pending = true; + vmx->rmode.irq.vector = NMI_VECTOR; + vmx->rmode.irq.rip = kvm_rip_read(vcpu); + vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, + NMI_VECTOR | INTR_TYPE_SOFT_INTR | + INTR_INFO_VALID_MASK); + vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, 1); + kvm_rip_write(vcpu, vmx->rmode.irq.rip - 1); + return; + } vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, INTR_TYPE_NMI_INTR | INTR_INFO_VALID_MASK | NMI_VECTOR); } |