diff --git a/Makefile b/Makefile index 3e95d454285..ad830bd45a4 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 f2f9b5362b4..7be4d383674 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