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authorMarc Zyngier <marc.zyngier@arm.com>2012-09-18 14:14:35 +0100
committerChristoffer Dall <cdall@cs.columbia.edu>2013-03-06 15:48:43 -0800
commit1cc287dd081235e02cebd791f1e930ca6f422dcd (patch)
treedca0108bdadc86669a7ac0c62ec6192fb9235535
parent4926d445eb76bec8ebd71f5ed9e9c94fd738014d (diff)
downloadlinux-1cc287dd081235e02cebd791f1e930ca6f422dcd.tar.bz2
ARM: KVM: abstract fault decoding away
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
-rw-r--r--arch/arm/include/asm/kvm_emulate.h5
-rw-r--r--arch/arm/kvm/mmu.c2
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 539f83ac167f..021a59c46dda 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -147,4 +147,9 @@ static inline u8 kvm_vcpu_trap_get_class(struct kvm_vcpu *vcpu)
return kvm_vcpu_get_hsr(vcpu) >> HSR_EC_SHIFT;
}
+static inline u8 kvm_vcpu_trap_get_fault(struct kvm_vcpu *vcpu)
+{
+ return kvm_vcpu_get_hsr(vcpu) & HSR_FSC_TYPE;
+}
+
#endif /* __ARM_KVM_EMULATE_H__ */
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 41fa75df107f..e00f28d2670c 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -601,7 +601,7 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run)
kvm_vcpu_get_hfar(vcpu), fault_ipa);
/* Check the stage-2 fault is trans. fault or write fault */
- fault_status = (kvm_vcpu_get_hsr(vcpu) & HSR_FSC_TYPE);
+ fault_status = kvm_vcpu_trap_get_fault(vcpu);
if (fault_status != FSC_FAULT && fault_status != FSC_PERM) {
kvm_err("Unsupported fault status: EC=%#lx DFCS=%#lx\n",
hsr_ec, fault_status);