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

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On Fri, Sep 24, 2021 at 09:11:18AM -0700, Florian Fainelli wrote:
On 9/24/21 8:27 AM, Alexander Sverdlin wrote:
Hi Sasha,

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

Sasha, what configuration failed to build? I build tested with
mutli_v7_defconfig which does enable FTRACE by default and then ensured
that CONFIG_ARM_MODULE_PLTS was enabled. From there I will re-submit,
sorry about that.

allmodconfig seemed to have hit that.

--
Thanks,
Sasha



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