jump label: Make arch_jump_label_text_poke_early() optional

Some archs do not need to do anything special for jump labels on startup (like MIPS). This patch adds a weak function stub for arch_jump_label_text_poke_early(); Cc: Jason Baron <[email protected]> Cc: David Miller <[email protected]> Cc: David Daney <[email protected]> Suggested-by: Thomas Gleixner <[email protected]> LKML-Reference: <[email protected]> LKML-Reference: <[email protected]> Signed-off-by: Steven Rostedt <[email protected]>
kyagi · Oct 29, 2010 · 95bcd68 · 95bcd68
1 parent de31c3c
commit 95bcd68
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
@@ -270,6 +270,13 @@ int jump_label_text_reserved(void *start, void *end)
 	return conflict;
 }
 
+/*
+ * Not all archs need this.
+ */
+void __weak arch_jump_label_text_poke_early(jump_label_t addr)
+{
+}
+
 static __init int init_jump_label(void)
 {
 	int ret;