90 	struct insn_emulation *insn = (struct insn_emulation *)data;  in enable_insn_hw_mode()  local
91 	if (insn->ops->set_hw_mode)  in enable_insn_hw_mode()
92 		insn->ops->set_hw_mode(true);  in enable_insn_hw_mode()
97 	struct insn_emulation *insn = (struct insn_emulation *)data;  in disable_insn_hw_mode()  local
98 	if (insn->ops->set_hw_mode)  in disable_insn_hw_mode()
99 		insn->ops->set_hw_mode(false);  in disable_insn_hw_mode()
103 static int run_all_cpu_set_hw_mode(struct insn_emulation *insn, bool enable)  in run_all_cpu_set_hw_mode()  argument
105 	if (!insn->ops->set_hw_mode)  in run_all_cpu_set_hw_mode()
108 		on_each_cpu(enable_insn_hw_mode, (void *)insn, true);  in run_all_cpu_set_hw_mode()
110 		on_each_cpu(disable_insn_hw_mode, (void *)insn, true);  in run_all_cpu_set_hw_mode()
124 	struct insn_emulation *insn;  in run_all_insn_set_hw_mode()  local
127 	list_for_each_entry(insn, &insn_emulation, node) {  in run_all_insn_set_hw_mode()
128 		bool enable = (insn->current_mode == INSN_HW);  in run_all_insn_set_hw_mode()
129 		if (insn->ops->set_hw_mode && insn->ops->set_hw_mode(enable)) {  in run_all_insn_set_hw_mode()
131 				cpu, insn->ops->name);  in run_all_insn_set_hw_mode()
139 static int update_insn_emulation_mode(struct insn_emulation *insn,  in update_insn_emulation_mode()  argument
148 		remove_emulation_hooks(insn->ops);  in update_insn_emulation_mode()
151 		if (!run_all_cpu_set_hw_mode(insn, false))  in update_insn_emulation_mode()
152 			pr_notice("Disabled %s support\n", insn->ops->name);  in update_insn_emulation_mode()
156 	switch (insn->current_mode) {  in update_insn_emulation_mode()
160 		register_emulation_hooks(insn->ops);  in update_insn_emulation_mode()
163 		ret = run_all_cpu_set_hw_mode(insn, true);  in update_insn_emulation_mode()
165 			pr_notice("Enabled %s support\n", insn->ops->name);  in update_insn_emulation_mode()
175 	struct insn_emulation *insn;  in register_insn_emulation()  local
177 	insn = kzalloc(sizeof(*insn), GFP_KERNEL);  in register_insn_emulation()
178 	if (!insn)  in register_insn_emulation()
181 	insn->ops = ops;  in register_insn_emulation()
182 	insn->min = INSN_UNDEF;  in register_insn_emulation()
186 		insn->current_mode = INSN_EMULATE;  in register_insn_emulation()
188 		run_all_cpu_set_hw_mode(insn, false);  in register_insn_emulation()
189 		insn->max = INSN_HW;  in register_insn_emulation()
192 		insn->current_mode = INSN_UNDEF;  in register_insn_emulation()
193 		insn->max = INSN_EMULATE;  in register_insn_emulation()
198 	list_add(&insn->node, &insn_emulation);  in register_insn_emulation()
203 	update_insn_emulation_mode(insn, INSN_UNDEF);  in register_insn_emulation()
211 	struct insn_emulation *insn = container_of(table->data, struct insn_emulation, current_mode);  in emulation_proc_handler()  local
212 	enum insn_emulation_mode prev_mode = insn->current_mode;  in emulation_proc_handler()
217 	if (ret || !write || prev_mode == insn->current_mode)  in emulation_proc_handler()
220 	ret = update_insn_emulation_mode(insn, prev_mode);  in emulation_proc_handler()
223 		insn->current_mode = prev_mode;  in emulation_proc_handler()
224 		update_insn_emulation_mode(insn, INSN_UNDEF);  in emulation_proc_handler()
235 	struct insn_emulation *insn;  in register_insn_emulation_sysctl()  local
244 	list_for_each_entry(insn, &insn_emulation, node) {  in register_insn_emulation_sysctl()
250 		sysctl->procname = insn->ops->name;  in register_insn_emulation_sysctl()
251 		sysctl->data = &insn->current_mode;  in register_insn_emulation_sysctl()
252 		sysctl->extra1 = &insn->min;  in register_insn_emulation_sysctl()
253 		sysctl->extra2 = &insn->max;  in register_insn_emulation_sysctl()
556 	char *insn;  in compat_setend_handler()  local
561 		insn = "setend be";  in compat_setend_handler()
564 		insn = "setend le";  in compat_setend_handler()
568 	trace_instruction_emulation(insn, regs->pc);  in compat_setend_handler()