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X-CSE-ConnectionGUID: Kfpe+ReaRBSZqoFSCRsm3w== X-CSE-MsgGUID: Sk1xKI/8T8mBgNbDO1hHLw== X-IronPort-AV: E=McAfee;i="6800,10657,11734"; a="92426882" X-IronPort-AV: E=Sophos;i="6.23,130,1770624000"; d="scan'208";a="92426882" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2026 15:20:22 -0700 X-CSE-ConnectionGUID: I7UX3SrlQ+yXihKG9Ad/kA== X-CSE-MsgGUID: IsKVdAWUQD2tnnNv+kHrng== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,130,1770624000"; d="scan'208";a="227232823" Received: from lkp-server02.sh.intel.com (HELO a51c2a36b9df) ([10.239.97.151]) by orviesa003.jf.intel.com with ESMTP; 19 Mar 2026 15:20:20 -0700 Received: from kbuild by a51c2a36b9df with local (Exim 4.98.2) (envelope-from ) id 1w3Liz-000000001if-1C6I; Thu, 19 Mar 2026 22:20:17 +0000 Date: Fri, 20 Mar 2026 06:16:50 +0800 From: kernel test robot 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__compaction__trace_system_name' defined but not used Message-ID: <202603200638.fnlPNIZE-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Hi JohnHsu, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android14-kiwi-6.1 head: c127cb3c63180cc478bfd719f09c17aedd625473 commit: 5c2855fbced4e4d18b8d050a3024c7fdbdba02ab [132/132] ANDROID: mm: Add vendor hook for compact pages work. config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260320/202603200638.fnlPNIZE-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/20260320/202603200638.fnlPNIZE-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202603200638.fnlPNIZE-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/compaction.h:20, from drivers/android/vendor_hooks.c:70: >> include/trace/stages/init.h:2:23: warning: 'str__compaction__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/regmap.h:24, from drivers/android/vendor_hooks.c:69: include/trace/stages/init.h:2:23: warning: 'str__regmap__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/bl_hib.h:44, from drivers/android/vendor_hooks.c:68: include/trace/stages/init.h:2:23: warning: 'str__bl_hib__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/psi.h:25, from drivers/android/vendor_hooks.c:67: include/trace/stages/init.h:2:23: warning: 'str__psi__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/psci.h:25, from drivers/android/vendor_hooks.c:66: include/trace/stages/init.h:2:23: warning: 'str__psci__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/signal.h:22, from drivers/android/vendor_hooks.c:65: include/trace/stages/init.h:2:23: warning: 'str__signal__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__compaction__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) :::::: CC: Steven Rostedt (Google) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki