From: Jiri Olsa <jolsa@redhat.com>
To: kernel test robot <lkp@intel.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org,
"Steven Rostedt (VMware)" <rostedt@goodmis.org>,
Heiko Carstens <hca@linux.ibm.com>
Subject: Re: samples/ftrace/ftrace-direct-multi-modify.c:7:6: warning: no previous prototype for function 'my_direct_func1'
Date: Sat, 18 Dec 2021 23:58:56 +0100 [thread overview]
Message-ID: <Yb5nsJdwCl+8d8Fv@krava> (raw)
In-Reply-To: <202112190117.RKPcHQjE-lkp@intel.com>
On Sun, Dec 19, 2021 at 01:57:29AM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 9eaa88c7036eda3f6c215f87ca693594cf90559b
> commit: e1067a07cfbc5a36abad3752fafe4c79e06db1bb ftrace/samples: Add module to test multi direct modify interface
> date: 9 days ago
> config: x86_64-randconfig-a001-20211219 (https://download.01.org/0day-ci/archive/20211219/202112190117.RKPcHQjE-lkp@intel.com/config)
> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4c9e31a4814592bbda7153833e46728dc7b21100)
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e1067a07cfbc5a36abad3752fafe4c79e06db1bb
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout e1067a07cfbc5a36abad3752fafe4c79e06db1bb
> # save the config file to linux build tree
> mkdir build_dir
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash samples/ftrace/
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> >> samples/ftrace/ftrace-direct-multi-modify.c:7:6: warning: no previous prototype for function 'my_direct_func1' [-Wmissing-prototypes]
> void my_direct_func1(unsigned long ip)
> ^
> samples/ftrace/ftrace-direct-multi-modify.c:7:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
> void my_direct_func1(unsigned long ip)
> ^
> static
> >> samples/ftrace/ftrace-direct-multi-modify.c:12:6: warning: no previous prototype for function 'my_direct_func2' [-Wmissing-prototypes]
> void my_direct_func2(unsigned long ip)
> ^
> samples/ftrace/ftrace-direct-multi-modify.c:12:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
> void my_direct_func2(unsigned long ip)
> ^
> static
> 2 warnings generated.
ugh, not again.. of course :-\ will send the fix
thanks,
jirka
>
>
> vim +/my_direct_func1 +7 samples/ftrace/ftrace-direct-multi-modify.c
>
> 6
> > 7 void my_direct_func1(unsigned long ip)
> 8 {
> 9 trace_printk("my direct func1 ip %lx\n", ip);
> 10 }
> 11
> > 12 void my_direct_func2(unsigned long ip)
> 13 {
> 14 trace_printk("my direct func2 ip %lx\n", ip);
> 15 }
> 16
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>
WARNING: multiple messages have this Message-ID (diff)
From: Jiri Olsa <jolsa@redhat.com>
To: kbuild-all@lists.01.org
Subject: Re: samples/ftrace/ftrace-direct-multi-modify.c:7:6: warning: no previous prototype for function 'my_direct_func1'
Date: Sat, 18 Dec 2021 23:58:56 +0100 [thread overview]
Message-ID: <Yb5nsJdwCl+8d8Fv@krava> (raw)
In-Reply-To: <202112190117.RKPcHQjE-lkp@intel.com>
[-- Attachment #1: Type: text/plain, Size: 2949 bytes --]
On Sun, Dec 19, 2021 at 01:57:29AM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 9eaa88c7036eda3f6c215f87ca693594cf90559b
> commit: e1067a07cfbc5a36abad3752fafe4c79e06db1bb ftrace/samples: Add module to test multi direct modify interface
> date: 9 days ago
> config: x86_64-randconfig-a001-20211219 (https://download.01.org/0day-ci/archive/20211219/202112190117.RKPcHQjE-lkp(a)intel.com/config)
> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4c9e31a4814592bbda7153833e46728dc7b21100)
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e1067a07cfbc5a36abad3752fafe4c79e06db1bb
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout e1067a07cfbc5a36abad3752fafe4c79e06db1bb
> # save the config file to linux build tree
> mkdir build_dir
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash samples/ftrace/
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> >> samples/ftrace/ftrace-direct-multi-modify.c:7:6: warning: no previous prototype for function 'my_direct_func1' [-Wmissing-prototypes]
> void my_direct_func1(unsigned long ip)
> ^
> samples/ftrace/ftrace-direct-multi-modify.c:7:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
> void my_direct_func1(unsigned long ip)
> ^
> static
> >> samples/ftrace/ftrace-direct-multi-modify.c:12:6: warning: no previous prototype for function 'my_direct_func2' [-Wmissing-prototypes]
> void my_direct_func2(unsigned long ip)
> ^
> samples/ftrace/ftrace-direct-multi-modify.c:12:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
> void my_direct_func2(unsigned long ip)
> ^
> static
> 2 warnings generated.
ugh, not again.. of course :-\ will send the fix
thanks,
jirka
>
>
> vim +/my_direct_func1 +7 samples/ftrace/ftrace-direct-multi-modify.c
>
> 6
> > 7 void my_direct_func1(unsigned long ip)
> 8 {
> 9 trace_printk("my direct func1 ip %lx\n", ip);
> 10 }
> 11
> > 12 void my_direct_func2(unsigned long ip)
> 13 {
> 14 trace_printk("my direct func2 ip %lx\n", ip);
> 15 }
> 16
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
>
next prev parent reply other threads:[~2021-12-18 22:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-18 17:57 samples/ftrace/ftrace-direct-multi-modify.c:7:6: warning: no previous prototype for function 'my_direct_func1' kernel test robot
2021-12-18 17:57 ` kernel test robot
2021-12-18 22:58 ` Jiri Olsa [this message]
2021-12-18 22:58 ` Jiri Olsa
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