Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
---
arch/arm/include/asm/kvm_emulate.h | 5 +++++
arch/arm/kvm/mmio.c | 2 +-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h
index 603f5ea..90e92b4 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -110,4 +110,9 @@ static inline int kvm_vcpu_dabt_get_rd(struct kvm_vcpu *vcpu)
return (kvm_vcpu_get_hsr(vcpu) & HSR_SRT_MASK) >> HSR_SRT_SHIFT;
}
+static inline bool kvm_vcpu_dabt_isextabt(struct kvm_vcpu *vcpu)
+{
+ return (kvm_vcpu_get_hsr(vcpu) >> 8) & 1;
+}
+
#endif /* __ARM_KVM_EMULATE_H__ */
diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c
index 586063d..e4682a3 100644
--- a/arch/arm/kvm/mmio.c
+++ b/arch/arm/kvm/mmio.c
@@ -65,7 +65,7 @@ static int decode_hsr(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
unsigned long rt, len;
bool is_write, sign_extend;
- if ((kvm_vcpu_get_hsr(vcpu) >> 8) & 1) {
+ 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;
--
1.7.12.4
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