Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

[pandora-kernel.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index bcfb79e..b125830 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -163,6 +163,27 @@ static int proc_taint(struct ctl_table *table, int write,
                               void __user *buffer, size_t *lenp, loff_t *ppos);
 #endif
 
+#ifdef CONFIG_MAGIC_SYSRQ
+static int __sysrq_enabled; /* Note: sysrq code ises it's own private copy */
+
+static int sysrq_sysctl_handler(ctl_table *table, int write,
+                               void __user *buffer, size_t *lenp,
+                               loff_t *ppos)
+{
+       int error;
+
+       error = proc_dointvec(table, write, buffer, lenp, ppos);
+       if (error)
+               return error;
+
+       if (write)
+               sysrq_toggle_support(__sysrq_enabled);
+
+       return 0;
+}
+
+#endif
+
 static struct ctl_table root_table[];
 static struct ctl_table_root sysctl_table_root;
 static struct ctl_table_header root_table_header = {
@@ -567,7 +588,7 @@ static struct ctl_table kern_table[] = {
                .data           = &__sysrq_enabled,
                .maxlen         = sizeof (int),
                .mode           = 0644,
-               .proc_handler   = proc_dointvec,
+               .proc_handler   = sysrq_sysctl_handler,
        },
 #endif
 #ifdef CONFIG_PROC_SYSCTL
@@ -621,7 +642,7 @@ static struct ctl_table kern_table[] = {
 #endif
        {
                .procname       = "userprocess_debug",
-               .data           = &sysctl_userprocess_debug,
+               .data           = &show_unhandled_signals,
                .maxlen         = sizeof(int),
                .mode           = 0644,
                .proc_handler   = proc_dointvec,
@@ -1431,7 +1452,8 @@ static struct ctl_table fs_table[] = {
 };
 
 static struct ctl_table debug_table[] = {
-#if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_SPARC)
+#if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) || \
+    defined(CONFIG_S390)
        {
                .procname       = "exception-trace",
                .data           = &show_unhandled_signals,