dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

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>
This commit is contained in:
Jan Kiszka 2008-09-26 09:30:51 +02:00 committed by Avi Kivity
parent f460ee43e2
commit 66a5a347c2
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
arch/x86/kvm/vmx.c
View File

@ -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);
}