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[04/29] ARM: KVM: abstract HSR_WNR away

Message ID 1362451403-23460-5-git-send-email-marc.zyngier@arm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Marc Zyngier March 5, 2013, 2:42 a.m. UTC 
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---
 arch/arm/include/asm/kvm_emulate.h | 5 +++++
 arch/arm/kvm/mmio.c                | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h
index 9531535..236fadd 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -95,4 +95,9 @@  static inline bool kvm_vcpu_dabt_isvalid(struct kvm_vcpu *vcpu)
 	return !!(kvm_vcpu_get_hsr(vcpu) & HSR_ISV);
 }
 
+static inline bool kvm_vcpu_dabt_iswrite(struct kvm_vcpu *vcpu)
+{
+	return !!(kvm_vcpu_get_hsr(vcpu) & HSR_WNR);
+}
+
 #endif /* __ARM_KVM_EMULATE_H__ */
diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c
index 41f96e9..7d58cb5 100644
--- a/arch/arm/kvm/mmio.c
+++ b/arch/arm/kvm/mmio.c
@@ -92,7 +92,7 @@  static int decode_hsr(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
 		return -EFAULT;
 	}
 
-	is_write = kvm_vcpu_get_hsr(vcpu) & HSR_WNR;
+	is_write = kvm_vcpu_dabt_iswrite(vcpu);
 	sign_extend = kvm_vcpu_get_hsr(vcpu) & HSR_SSE;
 	rt = (kvm_vcpu_get_hsr(vcpu) & HSR_SRT_MASK) >> HSR_SRT_SHIFT;