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oprofile/x86: reordering some functions
Reordering some functions. Necessary for the next patch. No functional changes. Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Robert Richter <robert.richter@amd.com>
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@ -364,56 +364,6 @@ static struct notifier_block profile_exceptions_nb = {
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.priority = 2
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};
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static int nmi_setup(void)
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{
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int err = 0;
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int cpu;
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if (!allocate_msrs())
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return -ENOMEM;
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/* We need to serialize save and setup for HT because the subset
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* of msrs are distinct for save and setup operations
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*/
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/* Assume saved/restored counters are the same on all CPUs */
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err = model->fill_in_addresses(&per_cpu(cpu_msrs, 0));
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if (err)
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goto fail;
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for_each_possible_cpu(cpu) {
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if (!cpu)
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continue;
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memcpy(per_cpu(cpu_msrs, cpu).counters,
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per_cpu(cpu_msrs, 0).counters,
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sizeof(struct op_msr) * model->num_counters);
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memcpy(per_cpu(cpu_msrs, cpu).controls,
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per_cpu(cpu_msrs, 0).controls,
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sizeof(struct op_msr) * model->num_controls);
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mux_clone(cpu);
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}
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nmi_enabled = 0;
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ctr_running = 0;
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barrier();
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err = register_die_notifier(&profile_exceptions_nb);
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if (err)
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goto fail;
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get_online_cpus();
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on_each_cpu(nmi_cpu_setup, NULL, 1);
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nmi_enabled = 1;
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put_online_cpus();
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return 0;
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fail:
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free_msrs();
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return err;
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}
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static void nmi_cpu_restore_registers(struct op_msrs *msrs)
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{
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struct op_msr *counters = msrs->counters;
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@ -449,23 +399,6 @@ static void nmi_cpu_shutdown(void *dummy)
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nmi_cpu_restore_registers(msrs);
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}
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static void nmi_shutdown(void)
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{
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struct op_msrs *msrs;
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get_online_cpus();
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on_each_cpu(nmi_cpu_shutdown, NULL, 1);
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nmi_enabled = 0;
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ctr_running = 0;
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put_online_cpus();
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barrier();
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unregister_die_notifier(&profile_exceptions_nb);
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msrs = &get_cpu_var(cpu_msrs);
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model->shutdown(msrs);
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free_msrs();
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put_cpu_var(cpu_msrs);
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}
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static void nmi_cpu_up(void *dummy)
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{
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if (nmi_enabled)
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@ -531,6 +464,73 @@ static struct notifier_block oprofile_cpu_nb = {
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.notifier_call = oprofile_cpu_notifier
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};
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static int nmi_setup(void)
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{
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int err = 0;
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int cpu;
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if (!allocate_msrs())
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return -ENOMEM;
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/* We need to serialize save and setup for HT because the subset
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* of msrs are distinct for save and setup operations
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*/
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/* Assume saved/restored counters are the same on all CPUs */
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err = model->fill_in_addresses(&per_cpu(cpu_msrs, 0));
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if (err)
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goto fail;
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for_each_possible_cpu(cpu) {
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if (!cpu)
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continue;
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memcpy(per_cpu(cpu_msrs, cpu).counters,
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per_cpu(cpu_msrs, 0).counters,
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sizeof(struct op_msr) * model->num_counters);
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memcpy(per_cpu(cpu_msrs, cpu).controls,
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per_cpu(cpu_msrs, 0).controls,
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sizeof(struct op_msr) * model->num_controls);
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mux_clone(cpu);
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}
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nmi_enabled = 0;
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ctr_running = 0;
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barrier();
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err = register_die_notifier(&profile_exceptions_nb);
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if (err)
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goto fail;
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get_online_cpus();
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on_each_cpu(nmi_cpu_setup, NULL, 1);
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nmi_enabled = 1;
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put_online_cpus();
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return 0;
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fail:
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free_msrs();
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return err;
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}
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static void nmi_shutdown(void)
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{
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struct op_msrs *msrs;
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get_online_cpus();
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on_each_cpu(nmi_cpu_shutdown, NULL, 1);
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nmi_enabled = 0;
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ctr_running = 0;
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put_online_cpus();
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barrier();
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unregister_die_notifier(&profile_exceptions_nb);
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msrs = &get_cpu_var(cpu_msrs);
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model->shutdown(msrs);
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free_msrs();
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put_cpu_var(cpu_msrs);
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}
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#ifdef CONFIG_PM
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static int nmi_suspend(struct sys_device *dev, pm_message_t state)
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