KVM: ppc: deliver INTERRUPT_FP_UNAVAIL to the guest

This patch adds the delivery of INTERRUPT_FP_UNAVAIL exceptions to the guest.
It's needed if a guest uses ppc binaries using the Floating point instructions.

Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Acked-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/powerpc/kvm/booke_guest.c b/arch/powerpc/kvm/booke_guest.c
index b3db6f4576ad..712d89a28c46 100644
--- a/arch/powerpc/kvm/booke_guest.c
+++ b/arch/powerpc/kvm/booke_guest.c
@@ -339,6 +339,11 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
                 }
                 break;
 
+        case BOOKE_INTERRUPT_FP_UNAVAIL:
+                kvmppc_queue_exception(vcpu, exit_nr);
+                r = RESUME_GUEST;
+                break;
+
         case BOOKE_INTERRUPT_DATA_STORAGE:
                 vcpu->arch.dear = vcpu->arch.fault_dear;
                 vcpu->arch.esr = vcpu->arch.fault_esr;