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-rw-r--r--include/linux/thread_info.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index 58373875e8ee..d7d3ea637dd0 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -22,6 +22,18 @@
#endif
#include <linux/bitops.h>
+
+/*
+ * For per-arch arch_within_stack_frames() implementations, defined in
+ * asm/thread_info.h.
+ */
+enum {
+ BAD_STACK = -1,
+ NOT_STACK = 0,
+ GOOD_FRAME,
+ GOOD_STACK,
+};
+
#include <asm/thread_info.h>
#ifdef __KERNEL__
@@ -101,6 +113,10 @@ static inline void check_object_size(const void *ptr, unsigned long n,
{ }
#endif /* CONFIG_HARDENED_USERCOPY */
+#ifndef arch_setup_new_exec
+static inline void arch_setup_new_exec(void) { }
+#endif
+
#endif /* __KERNEL__ */
#endif /* _LINUX_THREAD_INFO_H */