91 	struct insn_emulation *insn = (struct insn_emulation *)data;  in enable_insn_hw_mode()  local
92 	if (insn->ops->set_hw_mode)  in enable_insn_hw_mode()
93 		insn->ops->set_hw_mode(true);  in enable_insn_hw_mode()
98 	struct insn_emulation *insn = (struct insn_emulation *)data;  in disable_insn_hw_mode()  local
99 	if (insn->ops->set_hw_mode)  in disable_insn_hw_mode()
100 		insn->ops->set_hw_mode(false);  in disable_insn_hw_mode()
104 static int run_all_cpu_set_hw_mode(struct insn_emulation *insn, bool enable)  in run_all_cpu_set_hw_mode()  argument
106 	if (!insn->ops->set_hw_mode)  in run_all_cpu_set_hw_mode()
109 		on_each_cpu(enable_insn_hw_mode, (void *)insn, true);  in run_all_cpu_set_hw_mode()
111 		on_each_cpu(disable_insn_hw_mode, (void *)insn, true);  in run_all_cpu_set_hw_mode()
125 	struct insn_emulation *insn;  in run_all_insn_set_hw_mode()  local
128 	list_for_each_entry(insn, &insn_emulation, node) {  in run_all_insn_set_hw_mode()
129 		bool enable = (insn->current_mode == INSN_HW);  in run_all_insn_set_hw_mode()
130 		if (insn->ops->set_hw_mode && insn->ops->set_hw_mode(enable)) {  in run_all_insn_set_hw_mode()
132 				cpu, insn->ops->name);  in run_all_insn_set_hw_mode()
140 static int update_insn_emulation_mode(struct insn_emulation *insn,  in update_insn_emulation_mode()  argument
149 		remove_emulation_hooks(insn->ops);  in update_insn_emulation_mode()
152 		if (!run_all_cpu_set_hw_mode(insn, false))  in update_insn_emulation_mode()
153 			pr_notice("Disabled %s support\n", insn->ops->name);  in update_insn_emulation_mode()
157 	switch (insn->current_mode) {  in update_insn_emulation_mode()
161 		register_emulation_hooks(insn->ops);  in update_insn_emulation_mode()
164 		ret = run_all_cpu_set_hw_mode(insn, true);  in update_insn_emulation_mode()
166 			pr_notice("Enabled %s support\n", insn->ops->name);  in update_insn_emulation_mode()
176 	struct insn_emulation *insn;  in register_insn_emulation()  local
178 	insn = kzalloc(sizeof(*insn), GFP_KERNEL);  in register_insn_emulation()
179 	insn->ops = ops;  in register_insn_emulation()
180 	insn->min = INSN_UNDEF;  in register_insn_emulation()
184 		insn->current_mode = INSN_EMULATE;  in register_insn_emulation()
186 		run_all_cpu_set_hw_mode(insn, false);  in register_insn_emulation()
187 		insn->max = INSN_HW;  in register_insn_emulation()
190 		insn->current_mode = INSN_UNDEF;  in register_insn_emulation()
191 		insn->max = INSN_EMULATE;  in register_insn_emulation()
196 	list_add(&insn->node, &insn_emulation);  in register_insn_emulation()
201 	update_insn_emulation_mode(insn, INSN_UNDEF);  in register_insn_emulation()
209 	struct insn_emulation *insn = (struct insn_emulation *) table->data;  in emulation_proc_handler()  local
210 	enum insn_emulation_mode prev_mode = insn->current_mode;  in emulation_proc_handler()
212 	table->data = &insn->current_mode;  in emulation_proc_handler()
215 	if (ret || !write || prev_mode == insn->current_mode)  in emulation_proc_handler()
218 	ret = update_insn_emulation_mode(insn, prev_mode);  in emulation_proc_handler()
221 		insn->current_mode = prev_mode;  in emulation_proc_handler()
222 		update_insn_emulation_mode(insn, INSN_UNDEF);  in emulation_proc_handler()
225 	table->data = insn;  in emulation_proc_handler()
241 	struct insn_emulation *insn;  in register_insn_emulation_sysctl()  local
248 	list_for_each_entry(insn, &insn_emulation, node) {  in register_insn_emulation_sysctl()
254 		sysctl->procname = insn->ops->name;  in register_insn_emulation_sysctl()
255 		sysctl->data = insn;  in register_insn_emulation_sysctl()
256 		sysctl->extra1 = &insn->min;  in register_insn_emulation_sysctl()
257 		sysctl->extra2 = &insn->max;  in register_insn_emulation_sysctl()
567 	char *insn;  in compat_setend_handler()  local
572 		insn = "setend be";  in compat_setend_handler()
575 		insn = "setend le";  in compat_setend_handler()
579 	trace_instruction_emulation(insn, regs->pc);  in compat_setend_handler()