[PATCH] ftrace: Cleanup ftrace_dyn_arch_init()

[Heiko Carstens]

On Fri, Sep 03, 2021 at 03:18:17PM +0800, Weizhao Ouyang wrote:
> Most ARCHs use empty ftrace_dyn_arch_init(), introduce a weak common
> ftrace_dyn_arch_init() to cleanup them.
> 
> Signed-off-by: Weizhao Ouyang <o451686892 at gmail.com>
> ---
>  arch/arm/kernel/ftrace.c          | 5 -----
>  arch/arm64/kernel/ftrace.c        | 5 -----
>  arch/csky/kernel/ftrace.c         | 5 -----
>  arch/ia64/kernel/ftrace.c         | 6 ------
>  arch/microblaze/kernel/ftrace.c   | 5 -----
>  arch/mips/include/asm/ftrace.h    | 2 ++
>  arch/nds32/kernel/ftrace.c        | 5 -----
>  arch/parisc/kernel/ftrace.c       | 5 -----
>  arch/powerpc/include/asm/ftrace.h | 4 ++++
>  arch/riscv/kernel/ftrace.c        | 5 -----
>  arch/s390/kernel/ftrace.c         | 5 -----
>  arch/sh/kernel/ftrace.c           | 5 -----
>  arch/sparc/kernel/ftrace.c        | 5 -----
>  arch/x86/kernel/ftrace.c          | 5 -----
>  include/linux/ftrace.h            | 1 -
>  kernel/trace/ftrace.c             | 5 +++++
>  16 files changed, 11 insertions(+), 62 deletions(-)

For s390:
Acked-by: Heiko Carstens <hca at linux.ibm.com>