{
return 0;
}
+
+struct kvm_vcpu *kvm_arm_get_running_vcpu(void);
+struct kvm_vcpu __percpu **kvm_get_running_vcpus(void);
+
+int kvm_arm_copy_coproc_indices(struct kvm_vcpu *vcpu, u64 __user *uindices);
+unsigned long kvm_arm_num_coproc_regs(struct kvm_vcpu *vcpu);
+struct kvm_one_reg;
+int kvm_arm_coproc_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
+int kvm_arm_coproc_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
+
#endif /* __ARM_KVM_HOST_H__ */
static struct vfp_hard_struct __percpu *kvm_host_vfp_state;
static unsigned long hyp_default_vectors;
+/* Per-CPU variable containing the currently running vcpu. */
+static DEFINE_PER_CPU(struct kvm_vcpu *, kvm_arm_running_vcpu);
+
/* The VMID used in the VTTBR */
static atomic64_t kvm_vmid_gen = ATOMIC64_INIT(1);
static u8 kvm_next_vmid;
static DEFINE_SPINLOCK(kvm_vmid_lock);
+static void kvm_arm_set_running_vcpu(struct kvm_vcpu *vcpu)
+{
+ BUG_ON(preemptible());
+ __get_cpu_var(kvm_arm_running_vcpu) = vcpu;
+}
+
+/**
+ * kvm_arm_get_running_vcpu - get the vcpu running on the current CPU.
+ * Must be called from non-preemptible context
+ */
+struct kvm_vcpu *kvm_arm_get_running_vcpu(void)
+{
+ BUG_ON(preemptible());
+ return __get_cpu_var(kvm_arm_running_vcpu);
+}
+
+/**
+ * kvm_arm_get_running_vcpus - get the per-CPU array of currently running vcpus.
+ */
+struct kvm_vcpu __percpu **kvm_get_running_vcpus(void)
+{
+ return &kvm_arm_running_vcpu;
+}
+
int kvm_arch_hardware_enable(void *garbage)
{
return 0;
*/
if (cpumask_test_and_clear_cpu(cpu, &vcpu->arch.require_dcache_flush))
flush_cache_all(); /* We'd really want v7_flush_dcache_all() */
+
+ kvm_arm_set_running_vcpu(vcpu);
}
void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
{
+ kvm_arm_set_running_vcpu(NULL);
}
int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,