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[linux-2.6.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index ae99088..3d06840 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -53,8 +53,6 @@ extern int C_A_D;
 extern int sysctl_overcommit_memory;
 extern int sysctl_overcommit_ratio;
 extern int max_threads;
-extern atomic_t nr_queued_signals;
-extern int max_queued_signals;
 extern int sysrq_enabled;
 extern int core_uses_pid;
 extern char core_pattern[];
@@ -65,6 +63,29 @@ extern int min_free_kbytes;
 extern int printk_ratelimit_jiffies;
 extern int printk_ratelimit_burst;
 
+extern unsigned int vdso_enabled;
+
+int exec_shield = 1;
+int exec_shield_randomize = 1;
+
+static int __init setup_exec_shield(char *str)
+{
+        get_option (&str, &exec_shield);
+
+        return 1;
+}
+
+__setup("exec-shield=", setup_exec_shield);
+
+static int __init setup_exec_shield_randomize(char *str)
+{
+        get_option (&str, &exec_shield_randomize);
+
+        return 1;
+}
+
+__setup("exec-shield-randomize=", setup_exec_shield_randomize);
+
 /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
 static int maxolduid = 65535;
 static int minolduid;
@@ -77,6 +98,7 @@ extern char modprobe_path[];
 #ifdef CONFIG_HOTPLUG
 extern char hotplug_path[];
 #endif
+extern char vshelper_path[];
 #ifdef CONFIG_CHR_DEV_SG
 extern int sg_big_buff;
 #endif
@@ -267,6 +289,40 @@ static ctl_table kern_table[] = {
                .mode           = 0644,
                .proc_handler   = &proc_dointvec,
        },
+       {
+               .ctl_name       = KERN_PANIC,
+               .procname       = "exec-shield",
+               .data           = &exec_shield,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+       {
+               .ctl_name       = KERN_PANIC,
+               .procname       = "exec-shield-randomize",
+               .data           = &exec_shield_randomize,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+       {
+               .ctl_name       = KERN_PANIC,
+               .procname       = "print-fatal-signals",
+               .data           = &print_fatal_signals,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+#if __i386__
+       {
+               .ctl_name       = KERN_PANIC,
+               .procname       = "vdso",
+               .data           = &vdso_enabled,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+#endif
        {
                .ctl_name       = KERN_CORE_USES_PID,
                .procname       = "core_uses_pid",
@@ -409,6 +465,15 @@ static ctl_table kern_table[] = {
                .strategy       = &sysctl_string,
        },
 #endif
+       {
+               .ctl_name       = KERN_VSHELPER,
+               .procname       = "vshelper",
+               .data           = &vshelper_path,
+               .maxlen         = 256,
+               .mode           = 0644,
+               .proc_handler   = &proc_dostring,
+               .strategy       = &sysctl_string,
+       },
 #ifdef CONFIG_CHR_DEV_SG
        {
                .ctl_name       = KERN_SG_BIG_BUFF,
@@ -429,22 +494,6 @@ static ctl_table kern_table[] = {
                .proc_handler   = &proc_dointvec,
        },
 #endif
-       {
-               .ctl_name       = KERN_RTSIGNR,
-               .procname       = "rtsig-nr",
-               .data           = &nr_queued_signals,
-               .maxlen         = sizeof(int),
-               .mode           = 0444,
-               .proc_handler   = &proc_dointvec,
-       },
-       {
-               .ctl_name       = KERN_RTSIGMAX,
-               .procname       = "rtsig-max",
-               .data           = &max_queued_signals,
-               .maxlen         = sizeof(int),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-       },
 #ifdef CONFIG_SYSVIPC
        {
                .ctl_name       = KERN_SHMMAX,
@@ -738,14 +787,6 @@ static ctl_table vm_table[] = {
                .extra1         = (void *)&hugetlb_zero,
                .extra2         = (void *)&hugetlb_infinity,
         },
-        {
-               .ctl_name       = VM_HUGETLB_GROUP,
-               .procname       = "hugetlb_shm_group",
-               .data           = &sysctl_hugetlb_shm_group,
-               .maxlen         = sizeof(gid_t),
-               .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
-        },
 #endif
        {
                .ctl_name       = VM_LOWER_ZONE_PROTECTION,