From f629cf8485c9e1063fd8b915fa3bde80917400a1 Mon Sep 17 00:00:00 2001 From: Gleb Natapov Date: Mon, 11 May 2009 13:35:49 +0300 Subject: KVM: skip_emulated_instruction() decode instruction if size is not known Signed-off-by: Gleb Natapov Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index ac3d5ba48d6..1315ce025e5 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -228,7 +228,9 @@ static void skip_emulated_instruction(struct kvm_vcpu *vcpu) struct vcpu_svm *svm = to_svm(vcpu); if (!svm->next_rip) { - printk(KERN_DEBUG "%s: NOP\n", __func__); + if (emulate_instruction(vcpu, vcpu->run, 0, 0, EMULTYPE_SKIP) != + EMULATE_DONE) + printk(KERN_DEBUG "%s: NOP\n", __func__); return; } if (svm->next_rip - kvm_rip_read(vcpu) > MAX_INST_SIZE) @@ -1868,11 +1870,8 @@ static int task_switch_interception(struct vcpu_svm *svm, if (reason != TASK_SWITCH_GATE || int_type == SVM_EXITINTINFO_TYPE_SOFT || (int_type == SVM_EXITINTINFO_TYPE_EXEPT && - (int_vec == OF_VECTOR || int_vec == BP_VECTOR))) { - if (emulate_instruction(&svm->vcpu, kvm_run, 0, 0, - EMULTYPE_SKIP) != EMULATE_DONE) - return 0; - } + (int_vec == OF_VECTOR || int_vec == BP_VECTOR))) + skip_emulated_instruction(&svm->vcpu); return kvm_task_switch(&svm->vcpu, tss_selector, reason); } -- cgit v1.2.3