From 1d09daa55d2e9bab7e7d30f0d05e5a7bc60b2a4a Mon Sep 17 00:00:00 2001
From: Steven Rostedt
Date: Mon, 12 May 2008 21:20:55 +0200
Subject: ftrace: use Makefile to remove tracing from lockdep

This patch removes the "notrace" annotation from lockdep and adds the debugging
files in the kernel director to those that should not be compiled with
"-pg" mcount tracing.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/Makefile | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'kernel/Makefile')

diff --git a/kernel/Makefile b/kernel/Makefile
index 7e344e7b0cb3..d2f80ea4cd9a 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -11,6 +11,14 @@ obj-y     = sched.o fork.o exec_domain.o panic.o printk.o profile.o \
 	    hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
 	    notifier.o ksysfs.o pm_qos_params.o sched_clock.o
 
+ifdef CONFIG_FTRACE
+# Do not profile debug utilities
+ORIG_CFLAGS := $(KBUILD_CFLAGS)
+KBUILD_CFLAGS = $(if $(filter-out lockdep% %debug,$(basename $(notdir $@))), \
+	$(ORIG_CFLAGS), \
+	$(subst -pg,,$(ORIG_CFLAGS)))
+endif
+
 obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
 obj-$(CONFIG_STACKTRACE) += stacktrace.o
 obj-y += time/
-- 
cgit v1.2.3-55-g7522