ARM: KVM: abstract HSR_ISV away

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>

2 files changed, 6 insertions, 1 deletions

diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h
index 3c01988b3c88..ae9119e53bfc 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -90,4 +90,9 @@ static inline unsigned long kvm_vcpu_get_hyp_pc(struct kvm_vcpu *vcpu)
         return vcpu->arch.fault.hyp_pc;
 }
 
+static inline bool kvm_vcpu_dabt_isvalid(struct kvm_vcpu *vcpu)
+{
+        return kvm_vcpu_get_hsr(vcpu) & HSR_ISV;
+}
+
 #endif /* __ARM_KVM_EMULATE_H__ */
diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c
index ce63f39071ad..41f96e9e2e95 100644
--- a/arch/arm/kvm/mmio.c
+++ b/arch/arm/kvm/mmio.c
@@ -130,7 +130,7 @@ int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
          * space do its magic.
          */
 
-        if (kvm_vcpu_get_hsr(vcpu) & HSR_ISV) {
+        if (kvm_vcpu_dabt_isvalid(vcpu)) {
                 ret = decode_hsr(vcpu, fault_ipa, &mmio);
                 if (ret)
                         return ret;