35 	int i;  in ppro_shutdown()  local
37 	for (i = 0; i < num_counters; ++i) {  in ppro_shutdown()
38 		if (!msrs->counters[i].addr)  in ppro_shutdown()
40 		release_perfctr_nmi(MSR_P6_PERFCTR0 + i);  in ppro_shutdown()
41 		release_evntsel_nmi(MSR_P6_EVNTSEL0 + i);  in ppro_shutdown()
47 	int i;  in ppro_fill_in_addresses()  local
49 	for (i = 0; i < num_counters; i++) {  in ppro_fill_in_addresses()
50 		if (!reserve_perfctr_nmi(MSR_P6_PERFCTR0 + i))  in ppro_fill_in_addresses()
52 		if (!reserve_evntsel_nmi(MSR_P6_EVNTSEL0 + i)) {  in ppro_fill_in_addresses()
53 			release_perfctr_nmi(MSR_P6_PERFCTR0 + i);  in ppro_fill_in_addresses()
57 		msrs->counters[i].addr = MSR_P6_PERFCTR0 + i;  in ppro_fill_in_addresses()
58 		msrs->controls[i].addr = MSR_P6_EVNTSEL0 + i;  in ppro_fill_in_addresses()
61 		if (!counter_config[i].enabled)  in ppro_fill_in_addresses()
63 		op_x86_warn_reserved(i);  in ppro_fill_in_addresses()
76 	int i;  in ppro_setup_ctrs()  local
96 	for (i = 0; i < num_counters; ++i) {  in ppro_setup_ctrs()
97 		if (!msrs->controls[i].addr)  in ppro_setup_ctrs()
99 		rdmsrl(msrs->controls[i].addr, val);  in ppro_setup_ctrs()
101 			op_x86_warn_in_use(i);  in ppro_setup_ctrs()
103 		wrmsrl(msrs->controls[i].addr, val);  in ppro_setup_ctrs()
108 		wrmsrl(msrs->counters[i].addr, -1LL);  in ppro_setup_ctrs()
112 	for (i = 0; i < num_counters; ++i) {  in ppro_setup_ctrs()
113 		if (counter_config[i].enabled && msrs->counters[i].addr) {  in ppro_setup_ctrs()
114 			reset_value[i] = counter_config[i].count;  in ppro_setup_ctrs()
115 			wrmsrl(msrs->counters[i].addr, -reset_value[i]);  in ppro_setup_ctrs()
116 			rdmsrl(msrs->controls[i].addr, val);  in ppro_setup_ctrs()
118 			val |= op_x86_get_ctrl(model, &counter_config[i]);  in ppro_setup_ctrs()
119 			wrmsrl(msrs->controls[i].addr, val);  in ppro_setup_ctrs()
121 			reset_value[i] = 0;  in ppro_setup_ctrs()
131 	int i;  in ppro_check_ctrs()  local
133 	for (i = 0; i < num_counters; ++i) {  in ppro_check_ctrs()
134 		if (!reset_value[i])  in ppro_check_ctrs()
136 		rdmsrl(msrs->counters[i].addr, val);  in ppro_check_ctrs()
139 		oprofile_add_sample(regs, i);  in ppro_check_ctrs()
140 		wrmsrl(msrs->counters[i].addr, -reset_value[i]);  in ppro_check_ctrs()
161 	int i;  in ppro_start()  local
163 	for (i = 0; i < num_counters; ++i) {  in ppro_start()
164 		if (reset_value[i]) {  in ppro_start()
165 			rdmsrl(msrs->controls[i].addr, val);  in ppro_start()
167 			wrmsrl(msrs->controls[i].addr, val);  in ppro_start()
176 	int i;  in ppro_stop()  local
178 	for (i = 0; i < num_counters; ++i) {  in ppro_stop()
179 		if (!reset_value[i])  in ppro_stop()
181 		rdmsrl(msrs->controls[i].addr, val);  in ppro_stop()
183 		wrmsrl(msrs->controls[i].addr, val);  in ppro_stop()