Merge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[~andy/linux] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 9d048fa2d902ec2b768633afd4ecbaaafc01ec03..0b627d9c93d89c801c5bca63c4e0cdeb7c463fad 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -176,6 +176,9 @@ extern struct ctl_table random_table[];
 #ifdef CONFIG_INOTIFY_USER
 extern struct ctl_table inotify_table[];
 #endif
+#ifdef CONFIG_EPOLL
+extern struct ctl_table epoll_table[];
+#endif
 
 #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT
 int sysctl_legacy_va_layout;
@@ -484,6 +487,26 @@ static struct ctl_table kern_table[] = {
                .proc_handler   = &ftrace_enable_sysctl,
        },
 #endif
+#ifdef CONFIG_STACK_TRACER
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "stack_tracer_enabled",
+               .data           = &stack_tracer_enabled,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &stack_trace_sysctl,
+       },
+#endif
+#ifdef CONFIG_TRACING
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "ftrace_dump_on_oops",
+               .data           = &ftrace_dump_on_oops,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+#endif
 #ifdef CONFIG_MODULES
        {
                .ctl_name       = KERN_MODPROBE,
@@ -1325,6 +1348,13 @@ static struct ctl_table fs_table[] = {
                .child          = inotify_table,
        },
 #endif 
+#ifdef CONFIG_EPOLL
+       {
+               .procname       = "epoll",
+               .mode           = 0555,
+               .child          = epoll_table,
+       },
+#endif
 #endif
        {
                .ctl_name       = KERN_SETUID_DUMPABLE,
@@ -1641,7 +1671,7 @@ out:
 
 static int test_perm(int mode, int op)
 {
-       if (!current->euid)
+       if (!current_euid())
                mode >>= 6;
        else if (in_egroup_p(0))
                mode >>= 3;