Linux 6.9-rc1

[linux-2.6-microblaze.git] / include / linux / compiler.h

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 52730e4..c00cc6c 100644 (file)
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -116,6 +116,14 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
  */
 #define __stringify_label(n) #n
 
+#define __annotate_reachable(c) ({                                     \
+       asm volatile(__stringify_label(c) ":\n\t"                       \
+                       ".pushsection .discard.reachable\n\t"           \
+                       ".long " __stringify_label(c) "b - .\n\t"       \
+                       ".popsection\n\t");                             \
+})
+#define annotate_reachable() __annotate_reachable(__COUNTER__)
+
 #define __annotate_unreachable(c) ({                                   \
        asm volatile(__stringify_label(c) ":\n\t"                       \
                     ".pushsection .discard.unreachable\n\t"            \
@@ -128,6 +136,7 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
 #define __annotate_jump_table __section(".rodata..c_jump_table")
 
 #else /* !CONFIG_OBJTOOL */
+#define annotate_reachable()
 #define annotate_unreachable()
 #define __annotate_jump_table
 #endif /* CONFIG_OBJTOOL */