[PATCH 25/27] ARM: KVM: Remove unused hyp_pc field
From: Marc Zyngier <hidden>
Date: 2016-01-25 16:38:41
Also in:
kvm, kvmarm
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
This field was never populated, and the panic code already does something similar. Delete the related code. Signed-off-by: Marc Zyngier <redacted> --- 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 f710616..8a8c6de 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 eec701d..703eea7 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 1f24c32..27d0581 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 3ede90d..5377d753 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:
--
2.1.4