diff options
Diffstat (limited to 'arch/s390/Makefile')
| -rw-r--r-- | arch/s390/Makefile | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile index 7bb16fb97d4f..74ef57dcfa60 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -34,6 +34,11 @@ cflags-$(CONFIG_MARCH_G5) += $(call cc-option,-march=g5) cflags-$(CONFIG_MARCH_Z900) += $(call cc-option,-march=z900) cflags-$(CONFIG_MARCH_Z990) += $(call cc-option,-march=z990) +# +# Prevent tail-call optimizations, to get clearer backtraces: +# +cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls + # old style option for packed stacks ifeq ($(call cc-option-yn,-mkernel-backchain),y) cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK @@ -76,7 +81,7 @@ LDFLAGS_vmlinux := -e start head-y := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o core-y += arch/$(ARCH)/mm/ arch/$(ARCH)/kernel/ arch/$(ARCH)/crypto/ \ - arch/$(ARCH)/appldata/ + arch/$(ARCH)/appldata/ arch/$(ARCH)/hypfs/ libs-y += arch/$(ARCH)/lib/ drivers-y += drivers/s390/ drivers-$(CONFIG_MATHEMU) += arch/$(ARCH)/math-emu/ |