hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Guo Ren 2020-02-02 09:58:42 +08:00
parent 997153b9a7
commit 359ae00d12
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/csky/mm/Makefile
View File

@ -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