ARM: KVM: abstract S1TW abort detection away

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
diff --git a/arch/arm/include/asm/kvm_arm.h b/arch/arm/include/asm/kvm_arm.h
index 990764e..124623e 100644
--- a/arch/arm/include/asm/kvm_arm.h
+++ b/arch/arm/include/asm/kvm_arm.h
@@ -211,6 +211,7 @@
 
 #define HSR_HVC_IMM_MASK	((1UL << 16) - 1)
 
+#define HSR_DABT_S1PTW		(1U << 7)
 #define HSR_DABT_CM		(1U << 8)
 #define HSR_DABT_EA		(1U << 9)