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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 84c76a34e41c..26f65eaa01f9 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -97,10 +97,12 @@
 extern int sysctl_overcommit_memory;
 extern int sysctl_overcommit_ratio;
 extern int max_threads;
-extern int core_uses_pid;
 extern int suid_dumpable;
+#ifdef CONFIG_COREDUMP
+extern int core_uses_pid;
 extern char core_pattern[];
 extern unsigned int core_pipe_limit;
+#endif
 extern int pid_max;
 extern int min_free_kbytes;
 extern int pid_max_min, pid_max_max;
@@ -177,8 +179,10 @@ static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
 
 static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
 		void __user *buffer, size_t *lenp, loff_t *ppos);
+#ifdef CONFIG_COREDUMP
 static int proc_dostring_coredump(struct ctl_table *table, int write,
 		void __user *buffer, size_t *lenp, loff_t *ppos);
+#endif
 
 #ifdef CONFIG_MAGIC_SYSRQ
 /* Note: sysrq code uses it's own private copy */
@@ -404,6 +408,7 @@ static struct ctl_table kern_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
+#ifdef CONFIG_COREDUMP
 	{
 		.procname	= "core_uses_pid",
 		.data		= &core_uses_pid,
@@ -425,6 +430,7 @@ static struct ctl_table kern_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
+#endif
 #ifdef CONFIG_PROC_SYSCTL
 	{
 		.procname	= "tainted",
@@ -1543,8 +1549,7 @@ static struct ctl_table fs_table[] = {
 };
 
 static struct ctl_table debug_table[] = {
-#if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) || \
-    defined(CONFIG_S390) || defined(CONFIG_TILE) || defined(CONFIG_ARM64)
+#ifdef CONFIG_SYSCTL_EXCEPTION_TRACE
 	{
 		.procname	= "exception-trace",
 		.data		= &show_unhandled_signals,
@@ -2036,12 +2041,14 @@ int proc_dointvec_minmax(struct ctl_table *table, int write,
 
 static void validate_coredump_safety(void)
 {
+#ifdef CONFIG_COREDUMP
 	if (suid_dumpable == SUID_DUMPABLE_SAFE &&
 	    core_pattern[0] != '/' && core_pattern[0] != '|') {
 		printk(KERN_WARNING "Unsafe core_pattern used with "\
 			"suid_dumpable=2. Pipe handler or fully qualified "\
 			"core dump path required.\n");
 	}
+#endif
 }
 
 static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
@@ -2053,6 +2060,7 @@ static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
 	return error;
 }
 
+#ifdef CONFIG_COREDUMP
 static int proc_dostring_coredump(struct ctl_table *table, int write,
 		  void __user *buffer, size_t *lenp, loff_t *ppos)
 {
@@ -2061,6 +2069,7 @@ static int proc_dostring_coredump(struct ctl_table *table, int write,
 		validate_coredump_safety();
 	return error;
 }
+#endif
 
 static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int write,
 				     void __user *buffer,