commit e4f5d5440bb860a3e8942ca8f7277a7f31798965
author Steven Rostedt <srostedt@redhat.com> Fri Apr 27 09:13:18 2012 -0400
committer Steven Rostedt <rostedt@goodmis.org> Wed May 16 20:00:27 2012 -0400
tree 324091109c5bbaae5a06e52a77369cf2731ebb54
parent 8ed3e2cfe40ffe43630fd8efa34fc97c95b4c298

ftrace/x86: Have x86 ftrace use the ftrace_modify_all_code()

To remove duplicate code, have the ftrace arch_ftrace_update_code()
use the generic ftrace_modify_all_code(). This requires that the
default ftrace_replace_code() becomes a weak function so that an
arch may override it.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

arch/x86/kernel/ftrace.c

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 4243e8b..32ff365 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -435,7 +435,7 @@
 		local_irq_disable();
 }
 
-static void ftrace_replace_code(int enable)
+void ftrace_replace_code(int enable)
 {
 	struct ftrace_rec_iter *iter;
 	struct dyn_ftrace *rec;
@@ -493,18 +493,7 @@
 {
 	modifying_ftrace_code++;
 
-	if (command & FTRACE_UPDATE_CALLS)
-		ftrace_replace_code(1);
-	else if (command & FTRACE_DISABLE_CALLS)
-		ftrace_replace_code(0);
-
-	if (command & FTRACE_UPDATE_TRACE_FUNC)
-		ftrace_update_ftrace_func(ftrace_trace_function);
-
-	if (command & FTRACE_START_FUNC_RET)
-		ftrace_enable_ftrace_graph_caller();
-	else if (command & FTRACE_STOP_FUNC_RET)
-		ftrace_disable_ftrace_graph_caller();
+	ftrace_modify_all_code(command);
 
 	modifying_ftrace_code--;
 }