194 	struct op_msr_group * controls = &cpu_msrs[cpu].controls;  in pmc_save_registers()  local
198 	controls->addrs = NULL;  in pmc_save_registers()
199 	controls->saved = NULL;  in pmc_save_registers()
210 	controls->addrs = kmalloc(nr_ctrls * sizeof(uint), GFP_KERNEL);  in pmc_save_registers()
211 	if (!controls->addrs)  in pmc_save_registers()
214 	controls->saved = kmalloc(  in pmc_save_registers()
216 	if (!controls->saved)  in pmc_save_registers()
228 		rdmsr(controls->addrs[i],  in pmc_save_registers()
229 			controls->saved[i].low,  in pmc_save_registers()
230 			controls->saved[i].high);  in pmc_save_registers()
236 	free_msr_group(controls);  in pmc_save_registers()
247 	struct op_msr_group * controls = &cpu_msrs[cpu].controls;  in pmc_restore_registers()  local
249 	if (controls->addrs) {  in pmc_restore_registers()
251 			wrmsr(controls->addrs[i],  in pmc_restore_registers()
252 				controls->saved[i].low,  in pmc_restore_registers()
253 				controls->saved[i].high);  in pmc_restore_registers()
266 	free_msr_group(controls);  in pmc_restore_registers()