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-rw-r--r--Makefile4
-rw-r--r--init/Kconfig8
2 files changed, 12 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 3e95d454285c..ad830bd45a4b 100644
--- a/Makefile
+++ b/Makefile
@@ -597,6 +597,10 @@ LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\
LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)
+ifeq ($(CONFIG_STRIP_ASM_SYMS),y)
+LDFLAGS_vmlinux += -X
+endif
+
# Default kernel image to build when no specific target is given.
# KBUILD_IMAGE may be overruled on the command line or
# set in the environment
diff --git a/init/Kconfig b/init/Kconfig
index f2f9b5362b48..7be4d3836745 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -808,6 +808,14 @@ config KALLSYMS_EXTRA_PASS
you wait for kallsyms to be fixed.
+config STRIP_ASM_SYMS
+ bool "Strip assembler-generated symbols during link"
+ default n
+ help
+ Strip internal assembler-generated symbols during a link (symbols
+ that look like '.Lxxx') so they don't pollute the output of
+ get_wchan() and suchlike.
+
config HOTPLUG
bool "Support for hot-pluggable devices" if EMBEDDED
default y