From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 12 May 2008 19:20:51 +0000 (+0200)
Subject: ftrace: disable -pg for the tracer itself
X-Git-Tag: Ubuntu-5.4-5.4.0-11.14~35922^2^2~1^2~96
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=b53dde9d34f2df396540988ebc65c33400f57b04;p=mirror_ubuntu-focal-kernel.git

ftrace: disable -pg for the tracer itself

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index 3fec653d6533..c25a6cd6a529 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -1,3 +1,11 @@
+
+# Do not instrument the tracer itself:
+
+ifdef CONFIG_FTRACE
+ORIG_CFLAGS := $(KBUILD_CFLAGS)
+KBUILD_CFLAGS = $(subst -pg,,$(ORIG_CFLAGS))
+endif
+
 obj-$(CONFIG_FTRACE) += libftrace.o
 
 obj-$(CONFIG_TRACING) += trace.o