Re: [PATCH stable 4.9 v2 0/4] ARM: ftrace MODULE_PLTS warning

Hi Sasha,

On 24/09/2021 13:52, Sasha Levin wrote:

quoted

quoted

This patch series is present in v5.14 and fixes warnings seen at insmod
with FTRACE and MODULE_PLTS enabled on ARM/Linux.

All now queued up, thanks.

Looks like 4.19 and older break the build:

arch/arm/kernel/ftrace.c: In function 'ftrace_update_ftrace_func':
arch/arm/kernel/ftrace.c:157:9: error: too few arguments to function 'ftrace_call_replace'
  157 |   new = ftrace_call_replace(pc, (unsigned long)func);
      |         ^~~~~~~~~~~~~~~~~~~

in principle you can add ", true" as a third argument in all these ftrace_call_replace()
call-sites which still have two args.

arch/arm/kernel/ftrace.c:99:22: note: declared here
   99 | static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr,
      |                      ^~~~~~~~~~~~~~~~~~~
arch/arm/kernel/ftrace.c: In function 'ftrace_make_nop':
arch/arm/kernel/ftrace.c:240:9: error: too few arguments to function 'ftrace_call_replace'
  240 |   old = ftrace_call_replace(ip, adjust_address(rec, addr));
      |         ^~~~~~~~~~~~~~~~~~~
arch/arm/kernel/ftrace.c:99:22: note: declared here
   99 | static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr,
      |                      ^~~~~~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:303: arch/arm/kernel/ftrace.o] Error 1

I've dropped them.

-- 
Best regards,
Alexander Sverdlin.

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