Commit cbbd1fa7 authored by Heiko Carstens's avatar Heiko Carstens Committed by Linus Torvalds

[PATCH] lockdep: s390 CONFIG_FRAME_POINTER support

CONFIG_FRAME_POINTER support for s390.
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: default avatarIngo Molnar <mingo@elte.hu>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8637c099
......@@ -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
......
......@@ -208,7 +208,7 @@ config DEBUG_VM
config FRAME_POINTER
bool "Compile the kernel with frame pointers"
depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML)
depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390)
default y if DEBUG_INFO && UML
help
If you say Y here the resulting kernel image will be slightly larger
......
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