From 1cc287dd081235e02cebd791f1e930ca6f422dcd Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Tue, 18 Sep 2012 14:14:35 +0100 Subject: [PATCH] ARM: KVM: abstract fault decoding away Signed-off-by: Marc Zyngier --- arch/arm/include/asm/kvm_emulate.h | 5 +++++ arch/arm/kvm/mmu.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 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); -- GitLab