Commit 359ae00d authored Feb 02, 2020 by Guo Ren

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>

parent 997153b9

arch/csky/mm/Makefile

+2 −0

Original line number	Diff line number	Diff line
		# 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

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