aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/oprofile
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/oprofile')
-rw-r--r--arch/x86/oprofile/nmi_int.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 7de0572b0a5e..2a086726cad1 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -504,6 +504,7 @@ static int nmi_setup(void)
504 goto fail; 504 goto fail;
505 505
506 get_online_cpus(); 506 get_online_cpus();
507 register_cpu_notifier(&oprofile_cpu_nb);
507 on_each_cpu(nmi_cpu_setup, NULL, 1); 508 on_each_cpu(nmi_cpu_setup, NULL, 1);
508 nmi_enabled = 1; 509 nmi_enabled = 1;
509 put_online_cpus(); 510 put_online_cpus();
@@ -519,6 +520,7 @@ static void nmi_shutdown(void)
519 struct op_msrs *msrs; 520 struct op_msrs *msrs;
520 521
521 get_online_cpus(); 522 get_online_cpus();
523 unregister_cpu_notifier(&oprofile_cpu_nb);
522 on_each_cpu(nmi_cpu_shutdown, NULL, 1); 524 on_each_cpu(nmi_cpu_shutdown, NULL, 1);
523 nmi_enabled = 0; 525 nmi_enabled = 0;
524 ctr_running = 0; 526 ctr_running = 0;
@@ -739,12 +741,6 @@ int __init op_nmi_init(struct oprofile_operations *ops)
739 return -ENODEV; 741 return -ENODEV;
740 } 742 }
741 743
742 get_online_cpus();
743 register_cpu_notifier(&oprofile_cpu_nb);
744 nmi_enabled = 0;
745 ctr_running = 0;
746 put_online_cpus();
747
748 /* default values, can be overwritten by model */ 744 /* default values, can be overwritten by model */
749 ops->create_files = nmi_create_files; 745 ops->create_files = nmi_create_files;
750 ops->setup = nmi_setup; 746 ops->setup = nmi_setup;
@@ -771,14 +767,8 @@ int __init op_nmi_init(struct oprofile_operations *ops)
771 767
772void op_nmi_exit(void) 768void op_nmi_exit(void)
773{ 769{
774 if (using_nmi) { 770 if (using_nmi)
775 exit_sysfs(); 771 exit_sysfs();
776 get_online_cpus();
777 unregister_cpu_notifier(&oprofile_cpu_nb);
778 nmi_enabled = 0;
779 ctr_running = 0;
780 put_online_cpus();
781 }
782 if (model->exit) 772 if (model->exit)
783 model->exit(); 773 model->exit();
784} 774}