powerpc/perf: Add nest IMC PMU support

[mirror_ubuntu-artful-kernel.git] / include / linux / kernel.h

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index bd6d96cf80b17cae9b4e15cb1e05e2a455ffd88a..65692c80aa1a3f34f982d1e2f1738a31a0f87c0b 100644 (file)
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -277,6 +277,15 @@ extern int oops_may_print(void);
 void do_exit(long error_code) __noreturn;
 void complete_and_exit(struct completion *, long) __noreturn;
 
+#ifdef CONFIG_LOCK_DOWN_KERNEL
+extern bool kernel_is_locked_down(void);
+#else
+static inline bool kernel_is_locked_down(void)
+{
+       return false;
+}
+#endif
+
 /* Internal, do not use. */
 int __must_check _kstrtoul(const char *s, unsigned int base, unsigned long *res);
 int __must_check _kstrtol(const char *s, unsigned int base, long *res);