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authorGuo Ren <guoren@linux.alibaba.com>2020-02-02 09:58:42 +0800
committerGuo Ren <guoren@linux.alibaba.com>2020-02-21 15:43:24 +0800
commit359ae00d12589c31cf103894d0f32588d523ca83 (patch)
tree342c0370d09ec4e72d8f894212c79090cf53fad4 /arch/csky/mm/Makefile
parent997153b9a75c08d545ad45e6f8ceb432435d2425 (diff)
downloadlinux-sh-359ae00d12589c31cf103894d0f32588d523ca83.tar.gz
csky: Fixup ftrace modify panic
During ftrace init, linux will replace all function prologues (call_mcout) with nops, but it need flush_dcache and invalidate_icache to make it work. So flush_cache functions couldn't be nested called by ftrace framework. Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Diffstat (limited to 'arch/csky/mm/Makefile')
-rw-r--r--arch/csky/mm/Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/csky/mm/Makefile b/arch/csky/mm/Makefile
index 2c51918eb4fc..6e7696e55f71 100644
--- a/arch/csky/mm/Makefile
+++ b/arch/csky/mm/Makefile
@@ -1,8 +1,10 @@
# SPDX-License-Identifier: GPL-2.0-only
ifeq ($(CONFIG_CPU_HAS_CACHEV2),y)
obj-y += cachev2.o
+CFLAGS_REMOVE_cachev2.o = $(CC_FLAGS_FTRACE)
else
obj-y += cachev1.o
+CFLAGS_REMOVE_cachev1.o = $(CC_FLAGS_FTRACE)
endif
obj-y += dma-mapping.o