From 5f2b105a1d6a137c8cfb2792b79128db965880a8 Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Sun, 10 Jan 2010 03:27:32 +0100 Subject: KVM: PPC: Pass through program interrupts When we get a program interrupt in guest kernel mode, we try to emulate the instruction. If that doesn't fail, we report to the user and try again - at the exact same instruction pointer. So if the guest kernel really does trigger an invalid instruction, we loop forever. So let's better go and forward program exceptions to the guest when we don't know the instruction we're supposed to emulate. Signed-off-by: Alexander Graf Signed-off-by: Avi Kivity --- arch/powerpc/kvm/emulate.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/powerpc/kvm/emulate.c') diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index 8b0ba0b69c2..b905623735b 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -476,6 +476,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) advance = 0; printk(KERN_ERR "Couldn't emulate instruction 0x%08x " "(op %d xop %d)\n", inst, get_op(inst), get_xop(inst)); + kvmppc_core_queue_program(vcpu, 0); } } -- cgit v1.2.3