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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 12:30:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 12:30:52 -0400
commit4aed2fd8e3181fea7c09ba79cf64e7e3f4413bf9 (patch)
tree1f69733e5daab4915a76a41de0e4d1dc61e12cfb /kernel/sysctl.c
parent3a3527b6461b1298cc53ce72f336346739297ac8 (diff)
parentfc9ea5a1e53ee54f681e226d735008e2a6f8f470 (diff)
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (162 commits) tracing/kprobes: unregister_trace_probe needs to be called under mutex perf: expose event__process function perf events: Fix mmap offset determination perf, powerpc: fsl_emb: Restore setting perf_sample_data.period perf, powerpc: Convert the FSL driver to use local64_t perf tools: Don't keep unreferenced maps when unmaps are detected perf session: Invalidate last_match when removing threads from rb_tree perf session: Free the ref_reloc_sym memory at the right place x86,mmiotrace: Add support for tracing STOS instruction perf, sched migration: Librarize task states and event headers helpers perf, sched migration: Librarize the GUI class perf, sched migration: Make the GUI class client agnostic perf, sched migration: Make it vertically scrollable perf, sched migration: Parameterize cpu height and spacing perf, sched migration: Fix key bindings perf, sched migration: Ignore unhandled task states perf, sched migration: Handle ignored migrate out events perf: New migration tool overview tracing: Drop cpparg() macro perf: Use tracepoint_synchronize_unregister() to flush any pending tracepoint call ... Fix up trivial conflicts in Makefile and drivers/cpufreq/cpufreq.c
Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c55
1 files changed, 33 insertions, 22 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index d24f761f4876..6f79c7f81c96 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -76,6 +76,10 @@
76#include <scsi/sg.h> 76#include <scsi/sg.h>
77#endif 77#endif
78 78
79#ifdef CONFIG_LOCKUP_DETECTOR
80#include <linux/nmi.h>
81#endif
82
79 83
80#if defined(CONFIG_SYSCTL) 84#if defined(CONFIG_SYSCTL)
81 85
@@ -106,7 +110,7 @@ extern int blk_iopoll_enabled;
106#endif 110#endif
107 111
108/* Constants used for minimum and maximum */ 112/* Constants used for minimum and maximum */
109#ifdef CONFIG_DETECT_SOFTLOCKUP 113#ifdef CONFIG_LOCKUP_DETECTOR
110static int sixty = 60; 114static int sixty = 60;
111static int neg_one = -1; 115static int neg_one = -1;
112#endif 116#endif
@@ -710,7 +714,34 @@ static struct ctl_table kern_table[] = {
710 .mode = 0444, 714 .mode = 0444,
711 .proc_handler = proc_dointvec, 715 .proc_handler = proc_dointvec,
712 }, 716 },
713#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) 717#if defined(CONFIG_LOCKUP_DETECTOR)
718 {
719 .procname = "watchdog",
720 .data = &watchdog_enabled,
721 .maxlen = sizeof (int),
722 .mode = 0644,
723 .proc_handler = proc_dowatchdog_enabled,
724 },
725 {
726 .procname = "watchdog_thresh",
727 .data = &softlockup_thresh,
728 .maxlen = sizeof(int),
729 .mode = 0644,
730 .proc_handler = proc_dowatchdog_thresh,
731 .extra1 = &neg_one,
732 .extra2 = &sixty,
733 },
734 {
735 .procname = "softlockup_panic",
736 .data = &softlockup_panic,
737 .maxlen = sizeof(int),
738 .mode = 0644,
739 .proc_handler = proc_dointvec_minmax,
740 .extra1 = &zero,
741 .extra2 = &one,
742 },
743#endif
744#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) && !defined(CONFIG_LOCKUP_DETECTOR)
714 { 745 {
715 .procname = "unknown_nmi_panic", 746 .procname = "unknown_nmi_panic",
716 .data = &unknown_nmi_panic, 747 .data = &unknown_nmi_panic,
@@ -813,26 +844,6 @@ static struct ctl_table kern_table[] = {
813 .proc_handler = proc_dointvec, 844 .proc_handler = proc_dointvec,
814 }, 845 },
815#endif 846#endif
816#ifdef CONFIG_DETECT_SOFTLOCKUP
817 {
818 .procname = "softlockup_panic",
819 .data = &softlockup_panic,
820 .maxlen = sizeof(int),
821 .mode = 0644,
822 .proc_handler = proc_dointvec_minmax,
823 .extra1 = &zero,
824 .extra2 = &one,
825 },
826 {
827 .procname = "softlockup_thresh",
828 .data = &softlockup_thresh,
829 .maxlen = sizeof(int),
830 .mode = 0644,
831 .proc_handler = proc_dosoftlockup_thresh,
832 .extra1 = &neg_one,
833 .extra2 = &sixty,
834 },
835#endif
836#ifdef CONFIG_DETECT_HUNG_TASK 847#ifdef CONFIG_DETECT_HUNG_TASK
837 { 848 {
838 .procname = "hung_task_panic", 849 .procname = "hung_task_panic",