1156 static int reg_from_user(u64 *val, const void __user *uaddr, u64 id)  in reg_from_user()  argument
1158 	if (copy_from_user(val, uaddr, KVM_REG_SIZE(id)) != 0)  in reg_from_user()
1163 static int reg_to_user(void __user *uaddr, const u64 *val, u64 id)  in reg_to_user()  argument
1165 	if (copy_to_user(uaddr, val, KVM_REG_SIZE(id)) != 0)  in reg_to_user()
1170 static int get_invariant_sys_reg(u64 id, void __user *uaddr)  in get_invariant_sys_reg()  argument
1182 	return reg_to_user(uaddr, &r->val, id);  in get_invariant_sys_reg()
1185 static int set_invariant_sys_reg(u64 id, void __user *uaddr)  in set_invariant_sys_reg()  argument
1198 	err = reg_from_user(&val, uaddr, id);  in set_invariant_sys_reg()
1235 static int demux_c15_get(u64 id, void __user *uaddr)  in demux_c15_get()  argument
1238 	u32 __user *uval = uaddr;  in demux_c15_get()
1260 static int demux_c15_set(u64 id, void __user *uaddr)  in demux_c15_set()  argument
1263 	u32 __user *uval = uaddr;  in demux_c15_set()
1294 	void __user *uaddr = (void __user *)(unsigned long)reg->addr;  in kvm_arm_sys_reg_get_reg()  local
1297 		return demux_c15_get(reg->id, uaddr);  in kvm_arm_sys_reg_get_reg()
1304 		return get_invariant_sys_reg(reg->id, uaddr);  in kvm_arm_sys_reg_get_reg()
1306 	return reg_to_user(uaddr, &vcpu_sys_reg(vcpu, r->reg), reg->id);  in kvm_arm_sys_reg_get_reg()
1312 	void __user *uaddr = (void __user *)(unsigned long)reg->addr;  in kvm_arm_sys_reg_set_reg()  local
1315 		return demux_c15_set(reg->id, uaddr);  in kvm_arm_sys_reg_set_reg()
1322 		return set_invariant_sys_reg(reg->id, uaddr);  in kvm_arm_sys_reg_set_reg()
1324 	return reg_from_user(&vcpu_sys_reg(vcpu, r->reg), uaddr, reg->id);  in kvm_arm_sys_reg_set_reg()