arm/arm64: KVM: Inject virtual abort when guest exits on external abort
If we spot a data abort bearing the ESR_EL2.EA bit set, we know that
this is an external abort, and that should be punished by the injection
of an abort.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 344755dc..60e0c1a 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -1432,6 +1432,11 @@
int ret, idx;
is_iabt = kvm_vcpu_trap_is_iabt(vcpu);
+ if (unlikely(!is_iabt && kvm_vcpu_dabt_isextabt(vcpu))) {
+ kvm_inject_vabt(vcpu);
+ return 1;
+ }
+
fault_ipa = kvm_vcpu_get_fault_ipa(vcpu);
trace_kvm_guest_fault(*vcpu_pc(vcpu), kvm_vcpu_get_hsr(vcpu),
