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-rw-r--r--lib/Makefile9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Makefile b/lib/Makefile
index 74b0cfb1fcc..4b836a53c08 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -8,6 +8,15 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \
sha1.o irq_regs.o reciprocal_div.o argv_split.o \
proportions.o prio_heap.o ratelimit.o
+ifdef CONFIG_FTRACE
+# Do not profile string.o, since it may be used in early boot or vdso
+CFLAGS_REMOVE_string.o = -pg
+# Also do not profile any debug utilities
+CFLAGS_REMOVE_spinlock_debug.o = -pg
+CFLAGS_REMOVE_list_debug.o = -pg
+CFLAGS_REMOVE_debugobjects.o = -pg
+endif
+
lib-$(CONFIG_MMU) += ioremap.o
lib-$(CONFIG_SMP) += cpumask.o