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-rw-r--r--kernel/sysctl.c75
1 files changed, 68 insertions, 7 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index b2970d5..62e4ff9 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -27,6 +27,7 @@
#include <linux/security.h>
#include <linux/ctype.h>
#include <linux/utsname.h>
+#include <linux/kmemcheck.h>
#include <linux/smp_lock.h>
#include <linux/fs.h>
#include <linux/init.h>
@@ -49,6 +50,7 @@
#include <linux/reboot.h>
#include <linux/ftrace.h>
#include <linux/slow-work.h>
+#include <linux/perf_counter.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -114,6 +116,7 @@ static int ngroups_max = NGROUPS_MAX;
#ifdef CONFIG_MODULES
extern char modprobe_path[];
+extern int modules_disabled;
#endif
#ifdef CONFIG_CHR_DEV_SG
extern int sg_big_buff;
@@ -326,6 +329,14 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = &proc_dointvec,
},
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "timer_migration",
+ .data = &sysctl_timer_migration,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
#endif
{
.ctl_name = CTL_UNNUMBERED,
@@ -534,6 +545,17 @@ static struct ctl_table kern_table[] = {
.proc_handler = &proc_dostring,
.strategy = &sysctl_string,
},
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "modules_disabled",
+ .data = &modules_disabled,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ /* only handle a transition from default "0" to "1" */
+ .proc_handler = &proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &one,
+ },
#endif
#if defined(CONFIG_HOTPLUG) && defined(CONFIG_NET)
{
@@ -731,6 +753,14 @@ static struct ctl_table kern_table[] = {
},
{
.ctl_name = CTL_UNNUMBERED,
+ .procname = "bootloader_version",
+ .data = &bootloader_version,
+ .maxlen = sizeof (int),
+ .mode = 0444,
+ .proc_handler = &proc_dointvec,
+ },
+ {
+ .ctl_name = CTL_UNNUMBERED,
.procname = "kstack_depth_to_print",
.data = &kstack_depth_to_print,
.maxlen = sizeof(int),
@@ -912,6 +942,43 @@ static struct ctl_table kern_table[] = {
.child = slow_work_sysctls,
},
#endif
+#ifdef CONFIG_PERF_COUNTERS
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "perf_counter_paranoid",
+ .data = &sysctl_perf_counter_paranoid,
+ .maxlen = sizeof(sysctl_perf_counter_paranoid),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "perf_counter_mlock_kb",
+ .data = &sysctl_perf_counter_mlock,
+ .maxlen = sizeof(sysctl_perf_counter_mlock),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "perf_counter_max_sample_rate",
+ .data = &sysctl_perf_counter_sample_rate,
+ .maxlen = sizeof(sysctl_perf_counter_sample_rate),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
+#endif
+#ifdef CONFIG_KMEMCHECK
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "kmemcheck",
+ .data = &kmemcheck_enabled,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec,
+ },
+#endif
+
/*
* NOTE: do not add new entries to this table unless you have read
* Documentation/sysctl/ctl_unnumbered.txt
@@ -1225,7 +1292,6 @@ static struct ctl_table vm_table[] = {
.strategy = &sysctl_jiffies,
},
#endif
-#ifdef CONFIG_SECURITY
{
.ctl_name = CTL_UNNUMBERED,
.procname = "mmap_min_addr",
@@ -1234,7 +1300,6 @@ static struct ctl_table vm_table[] = {
.mode = 0644,
.proc_handler = &proc_doulongvec_minmax,
},
-#endif
#ifdef CONFIG_NUMA
{
.ctl_name = CTL_UNNUMBERED,
@@ -1272,7 +1337,6 @@ static struct ctl_table vm_table[] = {
.extra2 = &one,
},
#endif
-#ifdef CONFIG_UNEVICTABLE_LRU
{
.ctl_name = CTL_UNNUMBERED,
.procname = "scan_unevictable_pages",
@@ -1281,7 +1345,6 @@ static struct ctl_table vm_table[] = {
.mode = 0644,
.proc_handler = &scan_unevictable_handler,
},
-#endif
/*
* NOTE: do not add new entries to this table unless you have read
* Documentation/sysctl/ctl_unnumbered.txt
@@ -2220,7 +2283,7 @@ static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
void *data)
{
#define TMPBUFLEN 21
- int *i, vleft, first=1, neg, val;
+ int *i, vleft, first = 1, neg;
unsigned long lval;
size_t left, len;
@@ -2273,8 +2336,6 @@ static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
len = p-buf;
if ((len < left) && *p && !isspace(*p))
break;
- if (neg)
- val = -val;
s += len;
left -= len;
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