lockup_detector: Combine nmi_watchdog and softlockup detector

[mirror_ubuntu-artful-kernel.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 8686b0f5fc12fc85d19c31d934bbe34bd55d5af2..0f9adda85f97dc5eab713f5e8c8f49de7d617c6d 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -74,6 +74,10 @@
 #include <scsi/sg.h>
 #endif
 
+#ifdef CONFIG_LOCKUP_DETECTOR
+#include <linux/nmi.h>
+#endif
+
 
 #if defined(CONFIG_SYSCTL)
 
@@ -682,7 +686,25 @@ static struct ctl_table kern_table[] = {
                .mode           = 0444,
                .proc_handler   = proc_dointvec,
        },
-#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86)
+#if defined(CONFIG_LOCKUP_DETECTOR)
+       {
+               .procname       = "watchdog",
+               .data           = &watchdog_enabled,
+               .maxlen         = sizeof (int),
+               .mode           = 0644,
+               .proc_handler   = proc_dowatchdog_enabled,
+       },
+       {
+               .procname       = "watchdog_thresh",
+               .data           = &softlockup_thresh,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = proc_dowatchdog_thresh,
+               .extra1         = &neg_one,
+               .extra2         = &sixty,
+       },
+#endif
+#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) && !defined(CONFIG_LOCKUP_DETECTOR)
        {
                .procname       = "unknown_nmi_panic",
                .data           = &unknown_nmi_panic,