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-rw-r--r--arch/s390/Kconfig20
-rw-r--r--arch/s390/Makefile3
2 files changed, 6 insertions, 17 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 636bcb81d068..271a02f821c0 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -341,26 +341,16 @@ config STACK_GUARD
The minimum size for the stack guard should be 256 for 31 bit and
512 for 64 bit.
-config WARN_STACK
+config WARN_DYNAMIC_STACK
def_bool n
- prompt "Emit compiler warnings for function with broken stack usage"
+ prompt "Emit compiler warnings for function with dynamic stack usage"
help
- This option enables the compiler options -mwarn-framesize and
- -mwarn-dynamicstack. If the compiler supports these options it
- will generate warnings for function which either use alloca or
- create a stack frame bigger than CONFIG_WARN_STACK_SIZE.
+ This option enables the compiler option -mwarn-dynamicstack. If the
+ compiler supports this options generates warnings for functions
+ that dynamically allocate stack space using alloca.
Say N if you are unsure.
-config WARN_STACK_SIZE
- int "Maximum frame size considered safe (128-2048)"
- range 128 2048
- depends on WARN_STACK
- default "2048"
- help
- This allows you to specify the maximum frame size a function may
- have without the compiler complaining about it.
-
config ARCH_POPULATES_NODE_MAP
def_bool y
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index d5b8a6ade525..27a0b5df5ead 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -80,8 +80,7 @@ endif
endif
ifeq ($(call cc-option-yn,-mwarn-dynamicstack),y)
-cflags-$(CONFIG_WARN_STACK) += -mwarn-dynamicstack
-cflags-$(CONFIG_WARN_STACK) += -mwarn-framesize=$(CONFIG_WARN_STACK_SIZE)
+cflags-$(CONFIG_WARN_DYNAMIC_STACK) += -mwarn-dynamicstack
endif
KBUILD_CFLAGS += -mbackchain -msoft-float $(cflags-y)