ftrace: Add return address pointer to ftrace_ret_stack

[cascardo/linux.git] / arch / parisc / kernel / ftrace.c

diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c
index b13f9ec..5a5506a 100644 (file)
--- a/arch/parisc/kernel/ftrace.c
+++ b/arch/parisc/kernel/ftrace.c
@@ -18,12 +18,15 @@
 #include <asm/ftrace.h>
 
 
+#define __hot __attribute__ ((__section__ (".text.hot")))
+
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 /*
  * Hook the return address and push it in the stack of return addrs
  * in current thread info.
  */
-static void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
+static void __hot prepare_ftrace_return(unsigned long *parent,
+                                       unsigned long self_addr)
 {
        unsigned long old;
        struct ftrace_graph_ent trace;
@@ -45,7 +48,7 @@ static void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr
                return;
 
         if (ftrace_push_return_trace(old, self_addr, &trace.depth,
-                       0 ) == -EBUSY)
+                                    0, NULL) == -EBUSY)
                 return;
 
        /* activate parisc_return_to_handler() as return point */
@@ -53,7 +56,7 @@ static void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr
 }
 #endif /* CONFIG_FUNCTION_GRAPH_TRACER */
 
-void notrace ftrace_function_trampoline(unsigned long parent,
+void notrace __hot ftrace_function_trampoline(unsigned long parent,
                                unsigned long self_addr,
                                unsigned long org_sp_gr3)
 {