arm/arm64: KVM: Remove external abort test from MMIO handling

As we know handle external aborts pretty early, we can get rid of
its handling in the MMIO code (which was a bit odd to begin with...).

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

diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c
index 10f80a6..b6e715f 100644 (file)
--- a/arch/arm/kvm/mmio.c
+++ b/arch/arm/kvm/mmio.c
@@ -126,12 +126,6 @@ static int decode_hsr(struct kvm_vcpu *vcpu, bool *is_write, int *len)
        int access_size;
        bool sign_extend;
 
-       if (kvm_vcpu_dabt_isextabt(vcpu)) {
-               /* cache operation on I/O addr, tell guest unsupported */
-               kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu));
-               return 1;
-       }
-
        if (kvm_vcpu_dabt_iss1tw(vcpu)) {
                /* page table accesses IO mem: tell guest to fix its TTBR */
                kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu));