diff options
| author | Andi Kleen <ak@linux.intel.com> | 2011-10-04 10:12:25 +0100 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2013-09-14 12:09:22 -0700 |
| commit | 679c50f9effbdf5bb7b783a5b8cc3619dca3b0da (patch) | |
| tree | 9104026700f249d2adf447265360d8630b580515 /Makefile | |
| parent | 74b3fbf378f5d64e807529deccaf485194e2c13f (diff) | |
Disable -fconserve-stack on ARM v2
There are reports that -fconserve-stack misaligns variables on the stack.
Disable it for ARM to work around this gcc bug.
v2: Move top level flags definition up
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Rebase-Id: R3c09c871e91c8fa5d007ab2d826064d8e859992e
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -576,6 +576,10 @@ else KBUILD_CFLAGS += -O2 endif +# conserve stack if available +# do this early so that an architecture can override it. +KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) + include $(srctree)/arch/$(SRCARCH)/Makefile ifdef CONFIG_READABLE_ASM @@ -656,9 +660,6 @@ KBUILD_CFLAGS += $(call cc-disable-warning, pointer-sign) # disable invalid "can't wrap" optimizations for signed / pointers KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) -# conserve stack if available -KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) - # use the deterministic mode of AR if available KBUILD_ARFLAGS := $(call ar-option,D) |