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X-CSE-ConnectionGUID: mQA+OhvBQZSds0obHe7nUA== X-CSE-MsgGUID: KxwGOIVzQ2S4trrv0oETlA== X-IronPort-AV: E=McAfee;i="6800,10657,11841"; a="94830661" X-IronPort-AV: E=Sophos;i="6.25,153,1779174000"; d="scan'208";a="94830661" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jul 2026 15:04:45 -0700 X-CSE-ConnectionGUID: 9jvz9WoGQ/yn9y5TJr9FnQ== X-CSE-MsgGUID: eNl3rKQKTHySYcMVuokB6Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,153,1779174000"; d="scan'208";a="278795324" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by fmviesa001.fm.intel.com with ESMTP; 08 Jul 2026 15:04:43 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1whaNk-00000000GvX-1qBp; Wed, 08 Jul 2026 22:04:40 +0000 Date: Thu, 09 Jul 2026 06:04:27 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android16-6.12-2026-06 1/1] include/trace/stages/init.h:2:23: warning: 'str__kasan__trace_system_name' defined but not used Message-ID: <202607090548.aYR1TSWG-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 qinglin.li, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android16-6.12-2026-06 head: 390b7edeb81f88e84084ff2e63d8db892e9f2414 commit: 4b324ceb0c412ab134e13e3d20c8e313918c046c [1/1] ANDROID: vendor_hooks: Add hooks for slab config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20260709/202607090548.aYR1TSWG-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260709/202607090548.aYR1TSWG-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/202607090548.aYR1TSWG-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:109, from include/trace/hooks/kasan.h:18, from drivers/android/vendor_hooks.c:80: >> include/trace/stages/init.h:2:23: warning: 'str__kasan__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:109, from include/trace/hooks/usb.h:29, from drivers/android/vendor_hooks.c:79: include/trace/stages/init.h:2:23: warning: 'str__usb__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:109, from include/trace/hooks/gzvm.h:29, from drivers/android/vendor_hooks.c:78: include/trace/stages/init.h:2:23: warning: 'str__gzvm__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:109, from include/trace/hooks/user.h:21, from drivers/android/vendor_hooks.c:77: include/trace/stages/init.h:2:23: warning: 'str__user__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:109, from include/trace/hooks/suspend.h:28, from drivers/android/vendor_hooks.c:76: include/trace/stages/init.h:2:23: warning: 'str__suspend__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:109, from include/trace/hooks/ogki_honor.h:31, from drivers/android/vendor_hooks.c:75: include/trace/stages/init.h:2:23: warning: 'str__ogki_honor__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__kasan__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