Try to make the arm64 ftrace with regs merged. The later two patches are from Torsten. The whole series applies cleanly on v5.3-rc5
Jisheng Zhang (1): ftrace: introdue ftrace_call_init Torsten Duwe (2): arm64: implement ftrace with regs arm64: use -fpatchable-function-entry if available arch/arm64/Kconfig | 2 + arch/arm64/Makefile | 5 ++ arch/arm64/include/asm/ftrace.h | 12 ++- arch/arm64/include/asm/module.h | 3 +- arch/arm64/kernel/entry-ftrace.S | 125 ++++++++++++++++++++++++++-- arch/arm64/kernel/ftrace.c | 138 +++++++++++++++++++++++-------- arch/arm64/kernel/module-plts.c | 3 +- arch/arm64/kernel/module.c | 2 +- include/linux/ftrace.h | 1 + kernel/module.c | 7 +- kernel/trace/ftrace.c | 4 + 11 files changed, 257 insertions(+), 45 deletions(-) -- 2.23.0.rc1
