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| author | Gleb Natapov <gleb@redhat.com> | 2009-05-19 11:07:10 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:32:38 +0300 |
| commit | ae0bb3e011fec51fa67073d8e23d8ffeb36185d1 (patch) | |
| tree | c5bf05ed2bb0ef7365be95636604f89b8815f77c /arch/x86/kvm/vmx.c | |
| parent | 74fca6a42863ffacaf7ba6f1936a9f228950f657 (diff) | |
| download | blackbird-op-linux-ae0bb3e011fec51fa67073d8e23d8ffeb36185d1.tar.gz blackbird-op-linux-ae0bb3e011fec51fa67073d8e23d8ffeb36185d1.zip | |
KVM: VMX: Properly handle software interrupt re-injection in real mode
When reinjecting a software interrupt or exception, use the correct
instruction length provided by the hardware instead of a hardcoded 1.
Fixes problems running the suse 9.1 livecd boot loader.
Problem introduced by commit f0a3602c20 ("KVM: Move interrupt injection
logic to x86.c").
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 29f912927a58..db0b8b6df198 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -801,8 +801,9 @@ static void vmx_queue_exception(struct kvm_vcpu *vcpu, unsigned nr, vmx->rmode.irq.pending = true; vmx->rmode.irq.vector = nr; vmx->rmode.irq.rip = kvm_rip_read(vcpu); - if (nr == BP_VECTOR || nr == OF_VECTOR) - vmx->rmode.irq.rip++; + if (kvm_exception_is_soft(nr)) + vmx->rmode.irq.rip += + vmx->vcpu.arch.event_exit_inst_len; intr_info |= INTR_TYPE_SOFT_INTR; vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, intr_info); vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, 1); @@ -2468,6 +2469,9 @@ static void vmx_inject_irq(struct kvm_vcpu *vcpu) vmx->rmode.irq.pending = true; vmx->rmode.irq.vector = irq; vmx->rmode.irq.rip = kvm_rip_read(vcpu); + if (vcpu->arch.interrupt.soft) + vmx->rmode.irq.rip += + vmx->vcpu.arch.event_exit_inst_len; vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, irq | INTR_TYPE_SOFT_INTR | INTR_INFO_VALID_MASK); vmcs_write32(VM_ENTRY_INSTRUCTION_LEN, 1); |
