| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.20 014/352] nds32: Fix gcc 8.0 compiler option incompatible. | Date | Mon, 11 Feb 2019 15:14:01 +0100 |
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4.20-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 4c3d6174e0e17599549f636ec48ddf78627a17fe ]
When the kernel configs of ftrace and frame pointer options are choosed, the compiler option of kernel will incompatible. Error message: nds32le-linux-gcc: error: -pg and -fomit-frame-pointer are incompatible
Signed-off-by: Nickhu <nickhu@andestech.com> Signed-off-by: Zong Li <zong@andestech.com> Acked-by: Greentime Hu <greentime@andestech.com> Signed-off-by: Greentime Hu <greentime@andestech.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/nds32/mm/Makefile | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/nds32/mm/Makefile b/arch/nds32/mm/Makefile index 6b6855852223..7c5c15ad854a 100644 --- a/arch/nds32/mm/Makefile +++ b/arch/nds32/mm/Makefile @@ -4,4 +4,8 @@ obj-y := extable.o tlb.o \ obj-$(CONFIG_ALIGNMENT_TRAP) += alignment.o obj-$(CONFIG_HIGHMEM) += highmem.o -CFLAGS_proc-n13.o += -fomit-frame-pointer + +ifdef CONFIG_FUNCTION_TRACER +CFLAGS_REMOVE_proc.o = $(CC_FLAGS_FTRACE) +endif +CFLAGS_proc.o += -fomit-frame-pointer -- 2.19.1
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