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Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  ftrace: fix trace_nop config select
  ftrace: perform an initialization for ftrace to enable it
Linus Torvalds 16 years ago
parent
commit
0b54968f66
2 changed files with 9 additions and 1 deletions
  1. 1 1
      kernel/trace/Kconfig
  2. 8 0
      kernel/trace/ftrace.c

+ 1 - 1
kernel/trace/Kconfig

@@ -8,7 +8,6 @@ config NOP_TRACER
 
 config HAVE_FUNCTION_TRACER
 	bool
-	select NOP_TRACER
 
 config HAVE_DYNAMIC_FTRACE
 	bool
@@ -28,6 +27,7 @@ config TRACING
 	select RING_BUFFER
 	select STACKTRACE
 	select TRACEPOINTS
+	select NOP_TRACER
 
 menu "Tracers"
 

+ 8 - 0
kernel/trace/ftrace.c

@@ -1339,6 +1339,14 @@ void __init ftrace_init(void)
 }
 
 #else
+
+static int __init ftrace_nodyn_init(void)
+{
+	ftrace_enabled = 1;
+	return 0;
+}
+device_initcall(ftrace_nodyn_init);
+
 # define ftrace_startup()		do { } while (0)
 # define ftrace_shutdown()		do { } while (0)
 # define ftrace_startup_sysctl()	do { } while (0)