linux-kernel - Re: [PATCH] ftrace/fgraph: fix increased missing-prototypes warnings

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Date:   Wed,  1 Jun 2022 19:23:44 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     mark.rutland@....com, rostedt@...dmis.org,
        Chengming Zhou <zhouchengming@...edance.com>
Cc:     Will Deacon <will@...nel.org>, linux-kernel@...r.kernel.org,
        lkp@...el.com, kbuild-all@...ts.01.org
Subject: Re: [PATCH] ftrace/fgraph: fix increased missing-prototypes warnings

On Fri, 6 May 2022 11:27:37 +0800, Chengming Zhou wrote:
> After commit e999995c84c3 ("ftrace: cleanup ftrace_graph_caller enable
> and disable") merged into the linux-next tree, the kernel test robot
> (lkp@...el.com) has send out report that there are increased missing-prototypes
> warnings caused by that commit.
> 
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 \
> 	O=build_dir ARCH=sh SHELL=/bin/bash kernel/trace/
> warning: no previous prototype for 'ftrace_enable_ftrace_graph_caller' [-Wmissing-prototypes]
> warning: no previous prototype for 'ftrace_disable_ftrace_graph_caller' [-Wmissing-prototypes]
> warning: no previous prototype for 'ftrace_return_to_handler' [-Wmissing-prototypes]
> warning: no previous prototype for 'ftrace_graph_sleep_time_control' [-Wmissing-prototypes]
> 
> [...]

Applied to arm64 (for-next/core), thanks!

[1/1] ftrace/fgraph: fix increased missing-prototypes warnings
      https://git.kernel.org/arm64/c/ff979b2a9d97

-- 
Catalin