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authorVasily Gorbik <gor@linux.ibm.com>2018-06-15 10:48:54 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-06-25 10:14:37 +0200
commit19f73e16199ee21b95e15bb5c380ad69f12e8c5b (patch)
tree4ddf3e35c6c0712fe5e057351daa26536f98b600 /arch
parents390: disable asm code expolines if cc does not support it (diff)
downloadlinux-dev-19f73e16199ee21b95e15bb5c380ad69f12e8c5b.tar.xz
linux-dev-19f73e16199ee21b95e15bb5c380ad69f12e8c5b.zip
s390/build: remove obsolete -mkernel-backchain flag
-mkernel-backchain cc flag is obsolete since quite a while, and not present in minimal (supported by s390) gcc version 4.3. Removing it. Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/Makefile7
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 8a41110d3a9a..cdf3557864e1 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -52,13 +52,6 @@ cflags-y += -Wa,-I$(srctree)/arch/$(ARCH)/include
#
cflags-$(CONFIG_FRAME_POINTER) += -fno-optimize-sibling-calls
-# old style option for packed stacks
-ifeq ($(call cc-option-yn,-mkernel-backchain),y)
-cflags-$(CONFIG_PACK_STACK) += -mkernel-backchain -D__PACK_STACK
-aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK
-endif
-
-# new style option for packed stacks
ifeq ($(call cc-option-yn,-mpacked-stack),y)
cflags-$(CONFIG_PACK_STACK) += -mpacked-stack -D__PACK_STACK
aflags-$(CONFIG_PACK_STACK) += -D__PACK_STACK