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-rw-r--r--kernel/sysctl.c57
1 files changed, 34 insertions, 23 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 5821365b9605..6d850bf0a517 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -75,6 +75,10 @@
75#include <scsi/sg.h> 75#include <scsi/sg.h>
76#endif 76#endif
77 77
78#ifdef CONFIG_LOCKUP_DETECTOR
79#include <linux/nmi.h>
80#endif
81
78 82
79#if defined(CONFIG_SYSCTL) 83#if defined(CONFIG_SYSCTL)
80 84
@@ -105,7 +109,7 @@ extern int blk_iopoll_enabled;
105#endif 109#endif
106 110
107/* Constants used for minimum and maximum */ 111/* Constants used for minimum and maximum */
108#ifdef CONFIG_DETECT_SOFTLOCKUP 112#ifdef CONFIG_LOCKUP_DETECTOR
109static int sixty = 60; 113static int sixty = 60;
110static int neg_one = -1; 114static int neg_one = -1;
111#endif 115#endif
@@ -561,7 +565,7 @@ static struct ctl_table kern_table[] = {
561 .extra2 = &one, 565 .extra2 = &one,
562 }, 566 },
563#endif 567#endif
564#if defined(CONFIG_HOTPLUG) && defined(CONFIG_NET) 568#ifdef CONFIG_HOTPLUG
565 { 569 {
566 .procname = "hotplug", 570 .procname = "hotplug",
567 .data = &uevent_helper, 571 .data = &uevent_helper,
@@ -709,7 +713,34 @@ static struct ctl_table kern_table[] = {
709 .mode = 0444, 713 .mode = 0444,
710 .proc_handler = proc_dointvec, 714 .proc_handler = proc_dointvec,
711 }, 715 },
712#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) 716#if defined(CONFIG_LOCKUP_DETECTOR)
717 {
718 .procname = "watchdog",
719 .data = &watchdog_enabled,
720 .maxlen = sizeof (int),
721 .mode = 0644,
722 .proc_handler = proc_dowatchdog_enabled,
723 },
724 {
725 .procname = "watchdog_thresh",
726 .data = &softlockup_thresh,
727 .maxlen = sizeof(int),
728 .mode = 0644,
729 .proc_handler = proc_dowatchdog_thresh,
730 .extra1 = &neg_one,
731 .extra2 = &sixty,
732 },
733 {
734 .procname = "softlockup_panic",
735 .data = &softlockup_panic,
736 .maxlen = sizeof(int),
737 .mode = 0644,
738 .proc_handler = proc_dointvec_minmax,
739 .extra1 = &zero,
740 .extra2 = &one,
741 },
742#endif
743#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) && !defined(CONFIG_LOCKUP_DETECTOR)
713 { 744 {
714 .procname = "unknown_nmi_panic", 745 .procname = "unknown_nmi_panic",
715 .data = &unknown_nmi_panic, 746 .data = &unknown_nmi_panic,
@@ -812,26 +843,6 @@ static struct ctl_table kern_table[] = {
812 .proc_handler = proc_dointvec, 843 .proc_handler = proc_dointvec,
813 }, 844 },
814#endif 845#endif
815#ifdef CONFIG_DETECT_SOFTLOCKUP
816 {
817 .procname = "softlockup_panic",
818 .data = &softlockup_panic,
819 .maxlen = sizeof(int),
820 .mode = 0644,
821 .proc_handler = proc_dointvec_minmax,
822 .extra1 = &zero,
823 .extra2 = &one,
824 },
825 {
826 .procname = "softlockup_thresh",
827 .data = &softlockup_thresh,
828 .maxlen = sizeof(int),
829 .mode = 0644,
830 .proc_handler = proc_dosoftlockup_thresh,
831 .extra1 = &neg_one,
832 .extra2 = &sixty,
833 },
834#endif
835#ifdef CONFIG_DETECT_HUNG_TASK 846#ifdef CONFIG_DETECT_HUNG_TASK
836 { 847 {
837 .procname = "hung_task_panic", 848 .procname = "hung_task_panic",