arm: KVM: Add HYP async abort handler

If we've exited the guest because it has triggered an asynchronous
abort, a possible course of action is to let it know it screwed up
by giving it a Virtual Abort to chew on.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/kvm/handle_exit.c b/arch/arm/kvm/handle_exit.c
index 3f1ef0dbc899..863fdf42668e 100644
--- a/arch/arm/kvm/handle_exit.c
+++ b/arch/arm/kvm/handle_exit.c
@@ -160,6 +160,9 @@ int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run,
                 exit_handler = kvm_get_exit_handler(vcpu);
 
                 return exit_handler(vcpu, run);
+        case ARM_EXCEPTION_DATA_ABORT:
+                kvm_inject_vabt(vcpu);
+                return 1;
         default:
                 kvm_pr_unimpl("Unsupported exception type: %d",
                               exception_index);