commit 4e491d14f2506b218d678935c25a7027b79178b1
author Steven Rostedt <rostedt@goodmis.org> Wed May 14 23:49:44 2008 -0400
committer Thomas Gleixner <tglx@linutronix.de> Fri May 23 22:43:11 2008 +0200
tree c61c3ca40fe85f8556c579e50e0cb563ffcd06da
parent e0eca07badc023a675a61906020b397da20f07c3

ftrace: support for PowerPC

This patch adds full support for ftrace for PowerPC (both 64 and 32 bit).
This includes dynamic tracing and function filtering.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/powerpc/kernel/setup_64.c

diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 098fd96..277bf18 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -85,6 +85,11 @@
 };
 EXPORT_SYMBOL_GPL(ppc64_caches);
 
+#ifdef CONFIG_FTRACE
+extern void _mcount(void);
+EXPORT_SYMBOL(_mcount);
+#endif
+
 /*
  * These are used in binfmt_elf.c to put aux entries on the stack
  * for each elf executable being started.