arm: KVM: Drop unreachable HYP abort handlers

Both data and prefetch aborts occuring in HYP lead to a well
deserved panic. Let's get rid of these silly handlers.

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

diff --git a/arch/arm/kvm/handle_exit.c b/arch/arm/kvm/handle_exit.c
index 4eacb5cb60e8b110ac996c707bbf75448ded5365..4e40d1955e35341b7756efe72f2da6bf2360b224 100644 (file)
--- a/arch/arm/kvm/handle_exit.c
+++ b/arch/arm/kvm/handle_exit.c
@@ -28,14 +28,6 @@
 
 typedef int (*exit_handle_fn)(struct kvm_vcpu *, struct kvm_run *);
 
-static int handle_svc_hyp(struct kvm_vcpu *vcpu, struct kvm_run *run)
-{
-       /* SVC called from Hyp mode should never get here */
-       kvm_debug("SVC called from Hyp mode shouldn't go here\n");
-       BUG();
-       return -EINVAL; /* Squash warning */
-}
-
 static int handle_hvc(struct kvm_vcpu *vcpu, struct kvm_run *run)
 {
        int ret;
@@ -59,22 +51,6 @@ static int handle_smc(struct kvm_vcpu *vcpu, struct kvm_run *run)
        return 1;
 }
 
-static int handle_pabt_hyp(struct kvm_vcpu *vcpu, struct kvm_run *run)
-{
-       /* The hypervisor should never cause aborts */
-       kvm_err("Prefetch Abort taken from Hyp mode at %#08lx (HSR: %#08x)\n",
-               kvm_vcpu_get_hfar(vcpu), kvm_vcpu_get_hsr(vcpu));
-       return -EFAULT;
-}
-
-static int handle_dabt_hyp(struct kvm_vcpu *vcpu, struct kvm_run *run)
-{
-       /* This is either an error in the ws. code or an external abort */
-       kvm_err("Data Abort taken from Hyp mode at %#08lx (HSR: %#08x)\n",
-               kvm_vcpu_get_hfar(vcpu), kvm_vcpu_get_hsr(vcpu));
-       return -EFAULT;
-}
-
 /**
  * kvm_handle_wfx - handle a WFI or WFE instructions trapped in guests
  * @vcpu:      the vcpu pointer
@@ -112,13 +88,10 @@ static exit_handle_fn arm_exit_handlers[] = {
        [HSR_EC_CP14_64]        = kvm_handle_cp14_access,
        [HSR_EC_CP_0_13]        = kvm_handle_cp_0_13_access,
        [HSR_EC_CP10_ID]        = kvm_handle_cp10_id,
-       [HSR_EC_SVC_HYP]        = handle_svc_hyp,
        [HSR_EC_HVC]            = handle_hvc,
        [HSR_EC_SMC]            = handle_smc,
        [HSR_EC_IABT]           = kvm_handle_guest_abort,
-       [HSR_EC_IABT_HYP]       = handle_pabt_hyp,
        [HSR_EC_DABT]           = kvm_handle_guest_abort,
-       [HSR_EC_DABT_HYP]       = handle_dabt_hyp,
 };
 
 static exit_handle_fn kvm_get_exit_handler(struct kvm_vcpu *vcpu)