From 311b5b363cd28aa778de083178f147f32622e331 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Tue, 5 Jan 2016 18:57:36 +0000 Subject: [PATCH] ARM: KVM: Remove unused hyp_pc field This field was never populated, and the panic code already does something similar. Delete the related code. Acked-by: Christoffer Dall Signed-off-by: Marc Zyngier --- arch/arm/include/asm/kvm_emulate.h | 5 ----- arch/arm/include/asm/kvm_host.h | 1 - arch/arm/kernel/asm-offsets.c | 1 - arch/arm/kvm/handle_exit.c | 5 ----- 4 files changed, 12 deletions(-) diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h index f710616ccadc..8a8c6ded9ca7 100644 --- a/arch/arm/include/asm/kvm_emulate.h +++ b/arch/arm/include/asm/kvm_emulate.h @@ -108,11 +108,6 @@ static inline phys_addr_t kvm_vcpu_get_fault_ipa(struct kvm_vcpu *vcpu) return ((phys_addr_t)vcpu->arch.fault.hpfar & HPFAR_MASK) << 8; } -static inline unsigned long kvm_vcpu_get_hyp_pc(struct kvm_vcpu *vcpu) -{ - return vcpu->arch.fault.hyp_pc; -} - static inline bool kvm_vcpu_dabt_isvalid(struct kvm_vcpu *vcpu) { return kvm_vcpu_get_hsr(vcpu) & HSR_ISV; diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index daf6a71071da..19e9aba85463 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -85,7 +85,6 @@ struct kvm_vcpu_fault_info { u32 hsr; /* Hyp Syndrome Register */ u32 hxfar; /* Hyp Data/Inst. Fault Address Register */ u32 hpfar; /* Hyp IPA Fault Address Register */ - u32 hyp_pc; /* PC when exception was taken from Hyp mode */ }; /* diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index 1f24c32e11fe..27d05813ff09 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -175,7 +175,6 @@ int main(void) DEFINE(CPU_CTXT_VFP, offsetof(struct kvm_cpu_context, vfp)); DEFINE(CPU_CTXT_GP_REGS, offsetof(struct kvm_cpu_context, gp_regs)); DEFINE(GP_REGS_USR, offsetof(struct kvm_regs, usr_regs)); - DEFINE(VCPU_HYP_PC, offsetof(struct kvm_vcpu, arch.fault.hyp_pc)); #endif BLANK(); #ifdef CONFIG_VDSO diff --git a/arch/arm/kvm/handle_exit.c b/arch/arm/kvm/handle_exit.c index 3ede90d8b20b..5377d7539a40 100644 --- a/arch/arm/kvm/handle_exit.c +++ b/arch/arm/kvm/handle_exit.c @@ -147,11 +147,6 @@ int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run, switch (exception_index) { case ARM_EXCEPTION_IRQ: return 1; - case ARM_EXCEPTION_UNDEFINED: - kvm_err("Undefined exception in Hyp mode at: %#08lx\n", - kvm_vcpu_get_hyp_pc(vcpu)); - BUG(); - panic("KVM: Hypervisor undefined exception!\n"); case ARM_EXCEPTION_DATA_ABORT: case ARM_EXCEPTION_PREF_ABORT: case ARM_EXCEPTION_HVC: -- 2.20.1