From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5790C3BADB2 for ; Tue, 13 Oct 2026 09:05:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791882351; cv=none; b=lK42XWYQOhv/nmLigMy/Bl4ilE6NLvNanW60Kl9EfHx/wVVh5V8a4NxcKdCqGc/PyOho+HV3vcvwMJNUvxNRQoyAtGI/iHgbahFplOXEEBuriM6DnEyR3klAv9OivqZc8CygzkWAG4cvn0yv/Qr46DVc8FMrwsfZCmje/hC6qg0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791882351; c=relaxed/simple; bh=D275bsfKRzSCpp0ZqAEyiE/Zjv5rCxAoEzMiv+PvS84=; h=Date:From:To:Cc:Subject:Message-ID; b=u8CILJRotLJDGeecGoqoCsqXKSdTTpIfwkjamCtsn2flxp9M/zNC2IjzxH3GdxtfJYY1JpUMUygUyW/KXM1HIogCqHJRXpUrezoYO1fVgaDfczVjHCJaw7Ik8qlOgsZXWh2n4M/CoJFvLNgqWCi2Gvvg7DLQjF9/u50mlPo7gzw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=QL28W1NX; arc=none smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="QL28W1NX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1791882351; x=1823418351; h=date:from:to:cc:subject:message-id; bh=D275bsfKRzSCpp0ZqAEyiE/Zjv5rCxAoEzMiv+PvS84=; b=QL28W1NXRJlZ2s+7NUNaZRbhgb/wutkvsDMyBA7gyLu+NWRnglpqLYm9 VDOf6by85nR2nuyvlq4yzj0rpspOrrQO36QtsF8V6ejHAQvlQkC6LG5y+ nI51kCrRtcF46eLSXfwFyveDckBkFCfncIHw9RLYolyqHeYRBxFUWv/VS h/sxBWMoNIwOZOuUpYT2Cv0yJq8BkbCqQZ7TnwCuXn+QhFpQKLnQ+cdx7 nDHDPTFe7H8PVMYIzKlUaeiuJtvAVkwkl/WNCZK5yaQYh73aGZSyH0NQg UAIN7bP7TohkBPvYzysYXTG2ijV54RvEP6tEFOiYkcq3TH1ugaiya+Q+l g==; X-CSE-ConnectionGUID: 5/6v4lXTRtmfAf7L3OvT6Q== X-CSE-MsgGUID: Y2oEKP4IQHGm43+9DKYeJQ== X-IronPort-AV: E=McAfee;i="6800,10657,11933"; a="480716" X-IronPort-AV: E=Sophos;i="6.27,155,1787036400"; d="scan'208";a="480716" Received: from fmviesa011.fm.intel.com ([10.60.135.151]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2026 02:05:50 -0700 X-CSE-ConnectionGUID: qVDq2aAMQmajHIv5PnKGOg== X-CSE-MsgGUID: t/9e6sz8TbSRc1I6hRiEag== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,155,1787036400"; d="scan'208";a="2952875" Received: from igk-lkp-server01.igk.intel.com (HELO d0de6c2a75a7) ([10.211.93.152]) by fmviesa011.fm.intel.com with ESMTP; 13 Oct 2026 02:05:29 -0700 Received: from kbuild by d0de6c2a75a7 with local (Exim 4.98.2) (envelope-from ) id 1xGYRq-00000000ASB-1NqR; Tue, 13 Oct 2026 09:05:26 +0000 Date: Tue, 13 Oct 2026 11:05:20 +0200 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android15-6.6 1/1] include/trace/stages/init.h:2:23: warning: 'str__lz4_decompress__trace_system_name' defined but not used Message-ID: <202610131017.DgdWkhOx-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 liujinbao1, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android15-6.6 head: 0670949d6852a5c556e94abd6e62b945e30d41db commit: 7917a1e0dd58c7031fc3bc968c07d2f4f0a719cd [1/1] ANDROID: erofs: create vendor hooks for decompress config: arm-randconfig-r2102-20261012 (https://download.01.org/0day-ci/archive/20261013/202610131017.DgdWkhOx-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 10.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261013/202610131017.DgdWkhOx-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/202610131017.DgdWkhOx-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/gic.h:24, from drivers/android/vendor_hooks.c:41: include/trace/stages/init.h:2:23: warning: 'str__gic__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:8:20: 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:36, from drivers/android/vendor_hooks.c:40: 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:8:20: 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:39: 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:8:20: 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:38: 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) | ^~~~~~~ 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:8:20: 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/avc.h:32, from drivers/android/vendor_hooks.c:37: include/trace/stages/init.h:2:23: warning: 'str__avc__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:8:20: 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/lz4_decompress.h:21, from drivers/android/vendor_hooks.c:36: >> include/trace/stages/init.h:2:23: warning: 'str__lz4_decompress__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:8:20: 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/vmscan.h:88, from drivers/android/vendor_hooks.c:35: include/trace/stages/init.h:2:23: warning: 'str__vmscan__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:8:20: 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/cpuidle_psci.h:24, from drivers/android/vendor_hooks.c:34: include/trace/stages/init.h:2:23: warning: 'str__cpuidle_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:8:20: 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/net.h:92, from drivers/android/vendor_hooks.c:33: include/trace/stages/init.h:2:23: warning: 'str__net__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:8:20: 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/iommu.h:54, from drivers/android/vendor_hooks.c:32: include/trace/stages/init.h:2:23: warning: 'str__iommu__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:8:20: 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/madvise.h:30, from drivers/android/vendor_hooks.c:31: include/trace/stages/init.h:2:23: warning: 'str__madvise__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__lz4_decompress__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