From: kernel test robot <lkp@intel.com>
To: cros-kernel-buildreports@googlegroups.com
Cc: oe-kbuild-all@lists.linux.dev
Subject: [android-common:android14-kiwi-6.1 132/132] include/trace/stages/init.h:2:23: warning: 'str__rwsem__trace_system_name' defined but not used
Date: Wed, 18 Mar 2026 03:03:39 +0800 [thread overview]
Message-ID: <202603180211.DuSvSR76-lkp@intel.com> (raw)
Hi JianMin,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android14-kiwi-6.1
head: 73a9b50e23202b4fe10f285b4cfe0efaa5dbb0ca
commit: 1072495f4a7cc8eaf1e699d4680879b38ab0a48f [132/132] ANDROID: rwsem: Add vendor hook to the rw-semaphore
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260318/202603180211.DuSvSR76-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260318/202603180211.DuSvSR76-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603180211.DuSvSR76-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/trace/trace_events.h:27,
from include/trace/define_trace.h:102,
from include/trace/hooks/rwsem.h:30,
from drivers/android/vendor_hooks.c:39:
>> include/trace/stages/init.h:2:23: warning: 'str__rwsem__trace_system_name' defined but not used [-Wunused-const-variable=]
2 | #define __app__(x, y) str__##x##y
| ^~~~~
include/trace/stages/init.h:3:21: note: in expansion of macro '__app__'
3 | #define __app(x, y) __app__(x, y)
| ^~~~~~~
include/trace/stages/init.h:5:29: note: in expansion of macro '__app'
5 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
| ^~~~~
include/trace/stages/init.h:8:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
8 | static const char TRACE_SYSTEM_STRING[] = \
| ^~~~~~~~~~~~~~~~~~~
include/trace/stages/init.h:11:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
11 | TRACE_MAKE_SYSTEM_STR();
| ^~~~~~~~~~~~~~~~~~~~~
In file included from include/trace/trace_events.h:27,
from include/trace/define_trace.h:102,
from include/trace/hooks/remoteproc.h:26,
from drivers/android/vendor_hooks.c:38:
include/trace/stages/init.h:2:23: warning: 'str__remoteproc__trace_system_name' defined but not used [-Wunused-const-variable=]
2 | #define __app__(x, y) str__##x##y
| ^~~~~
include/trace/stages/init.h:3:21: note: in expansion of macro '__app__'
3 | #define __app(x, y) __app__(x, y)
| ^~~~~~~
include/trace/stages/init.h:5:29: note: in expansion of macro '__app'
5 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
| ^~~~~
include/trace/stages/init.h:8:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
8 | static const char TRACE_SYSTEM_STRING[] = \
| ^~~~~~~~~~~~~~~~~~~
include/trace/stages/init.h:11:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
11 | TRACE_MAKE_SYSTEM_STR();
| ^~~~~~~~~~~~~~~~~~~~~
In file included from include/trace/trace_events.h:27,
from include/trace/define_trace.h:102,
from include/trace/hooks/syscall_check.h:30,
from drivers/android/vendor_hooks.c:37:
include/trace/stages/init.h:2:23: warning: 'str__syscall_check__trace_system_name' defined but not used [-Wunused-const-variable=]
2 | #define __app__(x, y) str__##x##y
| ^~~~~
include/trace/stages/init.h:3:21: note: in expansion of macro '__app__'
3 | #define __app(x, y) __app__(x, y)
| ^~~~~~~
include/trace/stages/init.h:5:29: note: in expansion of macro '__app'
5 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
| ^~~~~
include/trace/stages/init.h:8:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
8 | static const char TRACE_SYSTEM_STRING[] = \
| ^~~~~~~~~~~~~~~~~~~
include/trace/stages/init.h:11:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
11 | TRACE_MAKE_SYSTEM_STR();
| ^~~~~~~~~~~~~~~~~~~~~
In file included from include/trace/trace_events.h:27,
from include/trace/define_trace.h:102,
from include/trace/hooks/selinux.h:20,
from drivers/android/vendor_hooks.c:36:
include/trace/stages/init.h:2:23: warning: 'str__selinux__trace_system_name' defined but not used [-Wunused-const-variable=]
2 | #define __app__(x, y) str__##x##y
| ^~~~~
include/trace/stages/init.h:3:21: note: in expansion of macro '__app__'
3 | #define __app(x, y) __app__(x, y)
| ^~~~~~~
include/trace/stages/init.h:5:29: note: in expansion of macro '__app'
5 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
| ^~~~~
include/trace/stages/init.h:8:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
8 | static const char TRACE_SYSTEM_STRING[] = \
| ^~~~~~~~~~~~~~~~~~~
include/trace/stages/init.h:11:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
11 | TRACE_MAKE_SYSTEM_STR();
| ^~~~~~~~~~~~~~~~~~~~~
In file included from include/trace/trace_events.h:27,
from include/trace/define_trace.h:102,
from include/trace/hooks/module.h:32,
from drivers/android/vendor_hooks.c:35:
include/trace/stages/init.h:2:23: warning: 'str__module__trace_system_name' defined but not used [-Wunused-const-variable=]
2 | #define __app__(x, y) str__##x##y
| ^~~~~
include/trace/stages/init.h:3:21: note: in expansion of macro '__app__'
3 | #define __app(x, y) __app__(x, y)
| ^~~~~~~
include/trace/stages/init.h:5:29: note: in expansion of macro '__app'
5 | #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
| ^~~~~
include/trace/stages/init.h:8:27: note: in expansion of macro 'TRACE_SYSTEM_STRING'
8 | static const char TRACE_SYSTEM_STRING[] = \
| ^~~~~~~~~~~~~~~~~~~
include/trace/stages/init.h:11:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
11 | TRACE_MAKE_SYSTEM_STR();
| ^~~~~~~~~~~~~~~~~~~~~
In file included from include/trace/trace_events.h:27,
from include/trace/define_trace.h:102,
from include/trace/hooks/creds.h:33,
from drivers/android/vendor_hooks.c:34:
include/trace/stages/init.h:2:23: warning: 'str__creds__trace_system_name' defined but not used [-Wunused-const-variable=]
2 | #define __app__(x, y) str__##x##y
| ^~~~~
include/trace/stages/init.h:3:21: note: in expansion of macro '__app__'
3 | #define __app(x, y) __app__(x, y)
| ^~~~~~~
vim +/str__rwsem__trace_system_name +2 include/trace/stages/init.h
af6b9668e85ffd Steven Rostedt (Google 2022-03-03 @2) #define __app__(x, y) str__##x##y
af6b9668e85ffd Steven Rostedt (Google 2022-03-03 3) #define __app(x, y) __app__(x, y)
af6b9668e85ffd Steven Rostedt (Google 2022-03-03 4)
:::::: The code at line 2 was first introduced by commit
:::::: af6b9668e85ffd1502aada8036ccbf4dbd481708 tracing: Move the defines to create TRACE_EVENTS into their own files
:::::: TO: Steven Rostedt (Google) <rostedt@goodmis.org>
:::::: CC: Steven Rostedt (Google) <rostedt@goodmis.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-03-17 19:04 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202603180211.DuSvSR76-lkp@intel.com \
--to=lkp@intel.com \
--cc=cros-kernel-buildreports@googlegroups.com \
--cc=oe-kbuild-all@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.